/* GridKit Core CSS v0.9.20 */

/* Global link reset */
a { text-decoration: none; color: inherit; }
a:hover { text-decoration: none; }

/* === M3 COLOR ROLES === */
.gk-root, [data-gk-theme] {
    /* Key Colors */
    --gk-primary: #6366f1;
    --gk-on-primary: #ffffff;
    --gk-primary-container: #e0e0ff;
    --gk-on-primary-container: #1a1a6b;

    --gk-secondary: #625b71;
    --gk-on-secondary: #ffffff;
    --gk-secondary-container: #e8def8;
    --gk-on-secondary-container: #1d192b;

    --gk-tertiary: #10b981;
    --gk-on-tertiary: #ffffff;
    --gk-tertiary-container: #d1fae5;
    --gk-on-tertiary-container: #064e3b;

    --gk-error: #f43f5e;
    --gk-on-error: #ffffff;
    --gk-error-container: #ffe4e6;
    --gk-on-error-container: #881337;

    /* Surface Roles */
    --gk-surface-dim: #e8edf2;
    --gk-surface: #ffffff;
    --gk-surface-bright: #ffffff;
    --gk-surface-container-lowest: #ffffff;
    --gk-surface-container-low: #f7f2fa;
    --gk-surface-container: #f1f5f9;
    --gk-surface-container-high: #ece6f0;
    --gk-surface-container-highest: #e6e0ec;
    --gk-on-surface: #0f172a;
    --gk-on-surface-variant: #475569;
    --gk-outline: #94a3b8;
    --gk-outline-variant: #e2e8f0;

    /* Backward-compat aliases */
    --gk-bg: var(--gk-surface);
    --gk-bg-muted: var(--gk-surface-container);
    --gk-bg-subtle: var(--gk-surface-container-low);
    --gk-bg-hover: var(--gk-surface-container-high);
    --gk-text: var(--gk-on-surface);
    --gk-text-muted: var(--gk-on-surface-variant);
    --gk-text-subtle: var(--gk-outline);
    --gk-border: var(--gk-outline-variant);
    --gk-success: var(--gk-tertiary);
    --gk-warning: #f59e0b;
    --gk-danger: var(--gk-error);
    --gk-info: #0ea5e9;

    /* Legacy hover aliases */
    --gk-primary-hover: #4f46e5;
    --gk-success-hover: #059669;
    --gk-warning-hover: #d97706;
    --gk-danger-hover: #e11d48;

    /* Legacy scale aliases (backward compat) */
    --gk-primary-50:  #eef2ff;
    --gk-primary-100: #e0e7ff;
    --gk-primary-200: #c7d2fe;
    --gk-primary-300: #a5b4fc;
    --gk-primary-400: #818cf8;
    --gk-primary-500: #6366f1;
    --gk-primary-600: #4f46e5;
    --gk-primary-700: #4338ca;
    --gk-success-50:  #ecfdf5;
    --gk-success-100: #d1fae5;
    --gk-success-200: #a7f3d0;
    --gk-success-400: #34d399;
    --gk-success-500: #10b981;
    --gk-success-600: #059669;
    --gk-success-700: #047857;
    --gk-warning-50:  #fffbeb;
    --gk-warning-100: #fef3c7;
    --gk-warning-200: #fde68a;
    --gk-warning-400: #fbbf24;
    --gk-warning-500: #f59e0b;
    --gk-warning-600: #d97706;
    --gk-warning-700: #b45309;
    --gk-danger-50:  #fff1f2;
    --gk-danger-100: #ffe4e6;
    --gk-danger-200: #fecdd3;
    --gk-danger-400: #fb7185;
    --gk-danger-500: #f43f5e;
    --gk-danger-600: #e11d48;
    --gk-danger-700: #be123c;
    --gk-neutral-50:  #f8fafc;
    --gk-neutral-100: #f1f5f9;
    --gk-neutral-200: #e2e8f0;
    --gk-neutral-300: #cbd5e1;
    --gk-neutral-400: #94a3b8;
    --gk-neutral-500: #64748b;
    --gk-neutral-600: #475569;
    --gk-neutral-700: #334155;
    --gk-neutral-800: #1e293b;
    --gk-neutral-900: #0f172a;

    /* Sidebar Colors */
    /* Sidebar – Light Mode (dunkel = Dark Mode Block unten) */
    --gk-sidebar-bg: #f1f5f9;
    --gk-sidebar-text: #374151;
    --gk-sidebar-text-muted: #9ca3af;
    --gk-sidebar-text-hover: #111827;
    --gk-sidebar-item-hover: rgba(0,0,0,0.05);
    --gk-sidebar-item-active: rgba(0,0,0,0.07);
    --gk-sidebar-border: rgba(0,0,0,0.07);
    --gk-sidebar-brand-bg: transparent;
    --gk-sidebar-accent: var(--gk-primary);
    --gk-sidebar-icon-muted: #94a3b8;

    /* Elevation (M3 uses tonal elevation) */
    --gk-shadow: 0 1px 3px rgba(0,0,0,0.08);
    --gk-shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
    --gk-radius: 12px;
    --gk-radius-sm: 8px;
    --gk-radius-lg: 16px;

    --gk-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --gk-font-size: 14px;
    --gk-font-size-sm: 12px;
    --gk-spacing: 12px;
    --gk-content-max-width: 1600px;
    font-family: var(--gk-font);
    font-size: var(--gk-font-size);
    color: var(--gk-text);
    box-sizing: border-box;
}
.gk-root *, .gk-root *::before, .gk-root *::after { box-sizing: border-box; }
.gk-root { background-color: var(--gk-surface-container); color: var(--gk-on-surface); min-height: 100vh; }

/* === TABLE === */
.gk-table-wrap { background: var(--gk-bg); border: 1px solid var(--gk-outline-variant, #e2e8f0); border-radius: 12px; overflow: hidden; }
.gk-toolbar { display: flex; flex-wrap: wrap; align-items: center; padding: var(--gk-spacing); gap: 8px; border-bottom: 1px solid var(--gk-border); }
.gk-toolbar-spacer { flex: 1; }
.gk-toolbar .gk-search { margin-right: 4px; }
.gk-search { padding: 8px 12px 8px 36px; border: 1.5px solid var(--gk-border); border-radius: 9999px; font-size: var(--gk-font-size); outline: none; min-width: 200px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='M21 21l-4.35-4.35'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: 12px center; transition: border-color .15s, box-shadow .15s; }
.gk-search:focus { border-color: var(--gk-primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }

/* Filters */
.gk-filter { padding: 7px 32px 7px 12px; border: 1px solid var(--gk-border); border-radius: var(--gk-radius-sm); font-size: var(--gk-font-size); font-family: var(--gk-font); background: var(--gk-bg); color: var(--gk-text); outline: none; cursor: pointer; appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; transition: border-color .15s, box-shadow .15s; }
.gk-filter:hover { border-color: var(--gk-text-muted); }
.gk-filter:focus { border-color: var(--gk-primary); box-shadow: 0 0 0 2px rgba(99,102,241,0.15); }
.gk-filter option { padding: 4px 8px; }

.gk-table { width: 100%; border-collapse: collapse; }
.gk-table th, .gk-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--gk-neutral-100, #f1f5f9); }
.gk-table thead th { background: var(--gk-neutral-50, #f8fafc); font-weight: 600; font-size: 12px; color: var(--gk-neutral-500, #64748b); text-transform: uppercase; letter-spacing: 0.05em; user-select: none; white-space: nowrap; }
.gk-table tbody tr:hover { background: var(--gk-neutral-50, #f8fafc); }
.gk-table tbody tr:nth-child(even) { background: var(--gk-neutral-50, #f8fafc); }
.gk-table tbody tr:nth-child(even):hover { background: var(--gk-neutral-100, #f1f5f9); }
.gk-table tbody tr:last-child td { border-bottom: none; }

/* Nowrap */
.gk-table td.gk-nowrap, .gk-table th.gk-nowrap { white-space: nowrap; }
.gk-table.gk-table-nowrap td { white-space: nowrap; }

.gk-sortable { cursor: pointer; }
.gk-sortable::after { content: '⇅'; margin-left: 4px; opacity: 0.3; font-size: 11px; }
.gk-sorted-asc::after { content: '↑'; opacity: 0.7; }
.gk-sorted-desc::after { content: '↓'; opacity: 0.7; }

.gk-empty { text-align: center; padding: 24px; color: var(--gk-text-muted); }
.gk-actions { white-space: nowrap; }
.gk-actions-left { text-align: left; }
.gk-actions-right { text-align: right; }
.gk-actions-col { width: 1%; }

/* ── Multi-Select ─────────────────────────────────────────────────────── */
.gk-cb-col { width: 36px; padding: 0 10px !important; }
.gk-cb-col input[type=checkbox] { width: 16px; height: 16px; cursor: pointer; accent-color: var(--gk-primary); vertical-align: middle; }
.gk-table tr.gk-row-selected { background: color-mix(in srgb, var(--gk-primary) 6%, transparent); }
.gk-bulk-bar { display: flex; align-items: center; gap: 10px; background: var(--gk-primary); color: #fff; border-radius: 10px; padding: 10px 16px; margin: 6px 0 2px; font-size: 13px; font-weight: 500; }
.gk-bulk-bar .gk-toolbar-spacer { flex: 1; }
.gk-bulk-bar .material-icons { font-size: 18px; }
.gk-bulk-bar [data-gk-bulk-delete] { background: #ef4444; color: #fff; border: none; border-radius: 7px; padding: 0 14px; height: 32px; font-size: 12px; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: 5px; }
.gk-bulk-bar [data-gk-bulk-delete]:hover { background: #dc2626; }
.gk-bulk-bar [data-gk-bulk-delete] .material-icons { font-size: 15px; }
.gk-bulk-bar [data-gk-bulk-cancel] { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.35); border-radius: 7px; padding: 0 14px; height: 32px; font-size: 12px; font-weight: 500; cursor: pointer; }
.gk-bulk-bar [data-gk-bulk-cancel]:hover { background: rgba(255,255,255,0.25); }
.gk-btn-group { display: inline-flex; border-radius: 10px; overflow: hidden; box-shadow: 0 1px 2px rgba(0,0,0,0.06); }
.gk-btn-group .gk-btn { border-radius: 0; margin: 0; border-right-width: 0; }
.gk-btn-group .gk-btn:first-child { border-radius: 10px 0 0 10px; }
.gk-btn-group .gk-btn:last-child { border-radius: 0 10px 10px 0; border-right-width: 1.5px; }
.gk-btn-group .gk-btn:only-child { border-radius: 10px; }
.gk-btn-icon-text { gap: 5px; }
.gk-btn-icon-text svg { flex-shrink: 0; }

/* === BUTTONS === */
/* Base */
.gk-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 16px; border: 1.5px solid transparent; border-radius: 8px; font-size: 14px; font-weight: 500; cursor: pointer; transition: all .15s ease; line-height: 1.4; text-decoration: none; white-space: nowrap; position: relative; font-family: inherit; }
.gk-btn:focus-visible { outline: 2px solid var(--gk-primary, #6366f1); outline-offset: 2px; }

/* Sizes */
.gk-btn-sm { padding: 4px 12px; font-size: 12px; border-radius: 6px; gap: 4px; }
.gk-btn-lg { padding: 12px 24px; font-size: 16px; border-radius: 10px; gap: 8px; }
.gk-btn-icon-only { padding: 8px; }
.gk-btn-icon-only.gk-btn-sm { padding: 4px; }
.gk-btn-icon-only.gk-btn-lg { padding: 12px; }
.gk-btn-full { width: 100%; }

/* --- Variant: Filled --- */
.gk-btn-filled.gk-btn-primary { background: #6366f1; color: #fff; border-color: #6366f1; }
.gk-btn-filled.gk-btn-primary:hover { background: #4f46e5; border-color: #4f46e5; box-shadow: 0 1px 3px rgba(99,102,241,0.3); }
.gk-btn-filled.gk-btn-success { background: #10b981; color: #fff; border-color: #10b981; }
.gk-btn-filled.gk-btn-success:hover { background: #059669; border-color: #059669; box-shadow: 0 1px 3px rgba(16,185,129,0.3); }
.gk-btn-filled.gk-btn-warning { background: #f59e0b; color: #fff; border-color: #f59e0b; }
.gk-btn-filled.gk-btn-warning:hover { background: #d97706; border-color: #d97706; }
.gk-btn-filled.gk-btn-danger { background: #f43f5e; color: #fff; border-color: #f43f5e; }
.gk-btn-filled.gk-btn-danger:hover { background: #e11d48; border-color: #e11d48; box-shadow: 0 1px 3px rgba(244,63,94,0.3); }
.gk-btn-filled.gk-btn-neutral { background: #475569; color: #fff; border-color: #475569; }
.gk-btn-filled.gk-btn-neutral:hover { background: #334155; border-color: #334155; }

/* --- Variant: Outlined --- */
.gk-btn-outlined { background: transparent; }
.gk-btn-outlined.gk-btn-primary { color: #6366f1; border-color: #6366f1; }
.gk-btn-outlined.gk-btn-primary:hover { background: rgba(99,102,241,0.08); }
.gk-btn-outlined.gk-btn-success { color: #10b981; border-color: #10b981; }
.gk-btn-outlined.gk-btn-success:hover { background: rgba(16,185,129,0.08); }
.gk-btn-outlined.gk-btn-warning { color: #d97706; border-color: #d97706; }
.gk-btn-outlined.gk-btn-warning:hover { background: rgba(245,158,11,0.08); }
.gk-btn-outlined.gk-btn-danger { color: #f43f5e; border-color: #f43f5e; }
.gk-btn-outlined.gk-btn-danger:hover { background: rgba(244,63,94,0.08); }
.gk-btn-outlined.gk-btn-neutral { color: #374151; border-color: #d1d5db; }
.gk-btn-outlined.gk-btn-neutral:hover { background: #f3f4f6; }

/* --- Variant: Text (no border) --- */
.gk-btn-text { background: transparent; border-color: transparent; }
.gk-btn-text.gk-btn-primary { color: #6366f1; }
.gk-btn-text.gk-btn-primary:hover { background: rgba(99,102,241,0.08); }
.gk-btn-text.gk-btn-success { color: #10b981; }
.gk-btn-text.gk-btn-success:hover { background: rgba(16,185,129,0.08); }
.gk-btn-text.gk-btn-warning { color: #d97706; }
.gk-btn-text.gk-btn-warning:hover { background: rgba(245,158,11,0.08); }
.gk-btn-text.gk-btn-danger { color: #f43f5e; }
.gk-btn-text.gk-btn-danger:hover { background: rgba(244,63,94,0.08); }
.gk-btn-text.gk-btn-neutral { color: #6b7280; }
.gk-btn-text.gk-btn-neutral:hover { background: #f3f4f6; color: #374151; }

/* --- Variant: Tonal (soft fill) --- */
.gk-btn-tonal.gk-btn-primary { background: #eef2ff; color: #4338ca; border-color: transparent; }
.gk-btn-tonal.gk-btn-primary:hover { background: #e0e7ff; }
.gk-btn-tonal.gk-btn-success { background: #ecfdf5; color: #047857; border-color: transparent; }
.gk-btn-tonal.gk-btn-success:hover { background: #d1fae5; }
.gk-btn-tonal.gk-btn-warning { background: rgba(245,158,11,0.1); color: #b45309; border-color: transparent; }
.gk-btn-tonal.gk-btn-warning:hover { background: rgba(245,158,11,0.18); }
.gk-btn-tonal.gk-btn-danger { background: #fff1f2; color: #be123c; border-color: transparent; }
.gk-btn-tonal.gk-btn-danger:hover { background: #ffe4e6; }
.gk-btn-tonal.gk-btn-neutral { background: #f1f5f9; color: #334155; border-color: transparent; }
.gk-btn-tonal.gk-btn-neutral:hover { background: #e2e8f0; }

/* --- States --- */
.gk-btn.disabled, .gk-btn:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
.gk-btn-loading { pointer-events: none; }
.gk-btn-spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: gk-spin .6s linear infinite; }
@keyframes gk-spin { to { transform: rotate(360deg); } }
.gk-btn-badge { font-size: 10px; font-weight: 700; background: #f43f5e; color: #fff; min-width: 18px; height: 18px; border-radius: 9px; display: inline-flex; align-items: center; justify-content: center; padding: 0 5px; margin-left: 2px; }

/* Default variant: no variant class = filled */
.gk-btn.gk-btn-primary:not(.gk-btn-outlined):not(.gk-btn-text):not(.gk-btn-tonal) { background: #6366f1; color: #fff; border-color: #6366f1; }
.gk-btn.gk-btn-primary:not(.gk-btn-outlined):not(.gk-btn-text):not(.gk-btn-tonal):hover { background: #4f46e5; border-color: #4f46e5; }
.gk-btn.gk-btn-success:not(.gk-btn-outlined):not(.gk-btn-text):not(.gk-btn-tonal) { background: #10b981; color: #fff; border-color: #10b981; }
.gk-btn.gk-btn-success:not(.gk-btn-outlined):not(.gk-btn-text):not(.gk-btn-tonal):hover { background: #059669; border-color: #059669; }
.gk-btn.gk-btn-warning:not(.gk-btn-outlined):not(.gk-btn-text):not(.gk-btn-tonal) { background: #f59e0b; color: #fff; border-color: #f59e0b; }
.gk-btn.gk-btn-warning:not(.gk-btn-outlined):not(.gk-btn-text):not(.gk-btn-tonal):hover { background: #d97706; border-color: #d97706; }
.gk-btn.gk-btn-danger:not(.gk-btn-outlined):not(.gk-btn-text):not(.gk-btn-tonal) { background: #f43f5e; color: #fff; border-color: #f43f5e; }
.gk-btn.gk-btn-danger:not(.gk-btn-outlined):not(.gk-btn-text):not(.gk-btn-tonal):hover { background: #e11d48; border-color: #e11d48; }
.gk-btn.gk-btn-neutral:not(.gk-btn-outlined):not(.gk-btn-text):not(.gk-btn-tonal) { background: #475569; color: #fff; border-color: #475569; }
.gk-btn.gk-btn-neutral:not(.gk-btn-outlined):not(.gk-btn-text):not(.gk-btn-tonal):hover { background: #334155; border-color: #334155; }

/* --- Shapes --- */
.gk-btn-pill { border-radius: 9999px; }
.gk-btn-pill.gk-btn-sm { border-radius: 9999px; }
.gk-btn-pill.gk-btn-lg { border-radius: 9999px; }
.gk-btn-circle { border-radius: 50%; width: 40px; height: 40px; padding: 0; }
.gk-btn-circle.gk-btn-lg { width: 56px; height: 56px; }
.gk-btn-circle.gk-btn-sm { width: 32px; height: 32px; }
.gk-btn-square { border-radius: 4px; }
.gk-btn-square.gk-btn-sm { border-radius: 3px; }
.gk-btn-square.gk-btn-lg { border-radius: 6px; }

/* --- FAB (Floating Action Button) --- */
.gk-fab { border-radius: 16px; width: 56px; height: 56px; padding: 0; box-shadow: 0 3px 5px -1px rgba(0,0,0,0.1), 0 6px 10px rgba(0,0,0,0.07); }
.gk-fab:hover { box-shadow: 0 5px 8px -2px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.1); }
.gk-fab-sm { width: 40px; height: 40px; border-radius: 12px; }
.gk-fab-lg { width: 96px; height: 96px; border-radius: 28px; }
.gk-fab-lg .material-icons { font-size: 36px !important; }
.gk-fab-extended { width: auto; height: auto; padding: 16px 24px; border-radius: 9999px; gap: 8px; }
.gk-fab-extended.gk-fab-sm { padding: 10px 18px; }
.gk-fab-extended.gk-fab-lg { padding: 20px 32px; font-size: 18px; }

/* Icon-only in tables (small) */
.gk-btn-icon { padding: 5px 7px; }
.gk-btn-icon svg { display: block; }

/* === PAGINATION === */
.gk-pagination { display: flex; gap: 4px; padding: var(--gk-spacing); justify-content: center; border-top: 1px solid var(--gk-border); }
.gk-page-btn { display: inline-flex; align-items: center; justify-content: center; min-width: 32px; height: 32px; padding: 0 4px; border: 1px solid var(--gk-border); border-radius: 9999px; background: var(--gk-bg); cursor: pointer; font-size: var(--gk-font-size-sm); text-decoration: none; color: var(--gk-on-surface); transition: all .15s; }
.gk-page-btn:hover { background: var(--gk-bg-hover); }
.gk-page-btn.gk-active { background: var(--gk-primary-50, #eef2ff); color: var(--gk-primary-700, #4338ca); border-color: transparent; font-weight: 600; }

/* === LABELS === */
.gk-label { display: inline-block; padding: 2px 8px; border-radius: 9999px; font-size: var(--gk-font-size-sm); font-weight: 500; }
.gk-label-green  { background: #dcfce7; color: #166534; }
.gk-label-orange { background: #fef3c7; color: #92400e; }
.gk-label-red    { background: #fee2e2; color: #991b1b; }
.gk-label-gray   { background: #f3f4f6; color: #6b7280; }
.gk-label-blue   { background: #dbeafe; color: #1e40af; }
/* Dark Mode Labels */
[data-gk-mode="dark"] .gk-label-green,  .gk-dark .gk-label-green  { background: #166534; color: #bbf7d0; }
[data-gk-mode="dark"] .gk-label-orange, .gk-dark .gk-label-orange { background: #92400e; color: #fde68a; }
[data-gk-mode="dark"] .gk-label-red,    .gk-dark .gk-label-red    { background: #991b1b; color: #fecaca; }
[data-gk-mode="dark"] .gk-label-gray,   .gk-dark .gk-label-gray   { background: #374151; color: #d1d5db; }
[data-gk-mode="dark"] .gk-label-blue,   .gk-dark .gk-label-blue   { background: #1e40af; color: #bfdbfe; }

.gk-bool-yes { color: var(--gk-success); font-weight: bold; }
.gk-bool-no { color: var(--gk-text-muted); }

/* === FORM === */
.gk-form { width: 100%; max-width: 960px; }
.gk-form-wide { max-width: none; }

/* Grid-based row layout (16-column grid) */
.gk-form-row { display: grid; grid-template-columns: repeat(16, 1fr); gap: 16px; align-items: start; margin-bottom: 20px; }
.gk-form-row > .gk-field { margin-bottom: 0; }
.gk-form-col-1 { grid-column: span 1; }
.gk-form-col-2 { grid-column: span 2; }
.gk-form-col-3 { grid-column: span 3; }
.gk-form-col-4 { grid-column: span 4; }
.gk-form-col-5 { grid-column: span 5; }
.gk-form-col-6 { grid-column: span 6; }
.gk-form-col-7 { grid-column: span 7; }
.gk-form-col-8 { grid-column: span 8; }
.gk-form-col-9 { grid-column: span 9; }
.gk-form-col-10 { grid-column: span 10; }
.gk-form-col-11 { grid-column: span 11; }
.gk-form-col-12 { grid-column: span 12; }
.gk-form-col-13 { grid-column: span 13; }
.gk-form-col-14 { grid-column: span 14; }
.gk-form-col-15 { grid-column: span 15; }
.gk-form-col-16 { grid-column: span 16; }
.gk-form-col-auto { grid-column: auto; }

/* Legacy flex row (backwards compat) */
.gk-row { display: flex; gap: 16px; flex-wrap: wrap; }
.gk-field { margin-bottom: 20px; }
.gk-w-1{width:6.25%}.gk-w-2{width:12.5%}.gk-w-3{width:18.75%}.gk-w-4{width:25%}.gk-w-5{width:31.25%}.gk-w-6{width:37.5%}.gk-w-7{width:43.75%}.gk-w-8{width:50%}.gk-w-9{width:56.25%}.gk-w-10{width:62.5%}.gk-w-11{width:68.75%}.gk-w-12{width:75%}.gk-w-13{width:81.25%}.gk-w-14{width:87.5%}.gk-w-15{width:93.75%}.gk-w-16{width:100%}
.gk-row > .gk-field { flex: 1; min-width: 0; margin-bottom: 0; }
.gk-row > .gk-w-1  { flex: 0 0 calc(6.25%  - 14px); min-width: 0; }
.gk-row > .gk-w-2  { flex: 0 0 calc(12.5%  - 13px); min-width: 0; }
.gk-row > .gk-w-3  { flex: 0 0 calc(18.75% - 13px); min-width: 0; }
.gk-row > .gk-w-4  { flex: 0 0 calc(25%    - 12px); min-width: 0; }
.gk-row > .gk-w-5  { flex: 0 0 calc(31.25% - 11px); min-width: 0; }
.gk-row > .gk-w-6  { flex: 0 0 calc(37.5%  - 10px); min-width: 0; }
.gk-row > .gk-w-7  { flex: 0 0 calc(43.75% - 9px);  min-width: 0; }
.gk-row > .gk-w-8  { flex: 0 0 calc(50%    - 8px);  min-width: 0; }
.gk-row > .gk-w-9  { flex: 0 0 calc(56.25% - 7px);  min-width: 0; }
.gk-row > .gk-w-10 { flex: 0 0 calc(62.5%  - 6px);  min-width: 0; }
.gk-row > .gk-w-11 { flex: 0 0 calc(68.75% - 5px);  min-width: 0; }
.gk-row > .gk-w-12 { flex: 0 0 calc(75%    - 4px);  min-width: 0; }
.gk-row > .gk-w-13 { flex: 0 0 calc(81.25% - 3px);  min-width: 0; }
.gk-row > .gk-w-14 { flex: 0 0 calc(87.5%  - 2px);  min-width: 0; }
.gk-row > .gk-w-15 { flex: 0 0 calc(93.75% - 1px);  min-width: 0; }
.gk-row > .gk-w-16 { flex: 0 0 100%; min-width: 0; }

/* Inline field (label + input side by side) */
.gk-field-inline { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.gk-field-inline > .gk-label-text { margin-bottom: 0; flex-shrink: 0; }
.gk-field-inline > .gk-input-wrap { flex: 1; }

.gk-label-text { display: block; margin-bottom: 6px; font-size: 12px; font-weight: 600; color: var(--gk-on-surface-variant, #475569); text-transform: uppercase; letter-spacing: 0.03em; }
.gk-required { color: var(--gk-danger); }
.gk-input { width: 100%; padding: 10px 14px; border: 1.5px solid var(--gk-outline-variant, #cbd5e1); border-radius: 8px; font-size: 14px; font-family: var(--gk-font); background: var(--gk-surface-container-lowest, #fff); color: var(--gk-text); outline: none; transition: border-color .15s, box-shadow .15s; box-sizing: border-box; height: 44px; }
.gk-input::placeholder { color: var(--gk-outline, #94a3b8); }
.gk-input:hover { border-color: var(--gk-outline, #94a3b8); }
.gk-input:focus { border-color: var(--gk-primary); border-width: 2px; padding: 9.5px 13.5px; box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
textarea.gk-input { resize: vertical; height: auto; min-height: 80px; }
/* Number: Browser-Spinner entfernen für einheitliches Layout */
input[type=number].gk-input { -moz-appearance: textfield; }
input[type=number].gk-input::-webkit-outer-spin-button,
input[type=number].gk-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.gk-input-clearable { position: relative; display: flex; align-items: center; }
.gk-input-clearable .gk-input { padding-right: 40px; }
.gk-input-clear { position: absolute; right: 8px; border: none; background: none; cursor: pointer; color: var(--gk-text-muted); padding: 4px; border-radius: 4px; display: flex; align-items: center; justify-content: center; transition: color .15s, background .15s; }
.gk-input-clear:hover { color: var(--gk-danger); background: var(--gk-bg-muted); }
.gk-input-clear .material-icons { font-size: 18px; }
/* === COLOR PICKER === */
.gk-color-wrap { display: flex; align-items: center; height: 44px; border: 1.5px solid var(--gk-outline-variant, #cbd5e1); border-radius: 8px; overflow: hidden; background: var(--gk-surface-container-lowest, #fff); transition: border-color .15s; box-sizing: border-box; }
.gk-color-wrap:hover { border-color: var(--gk-outline, #94a3b8); }
.gk-color-wrap:focus-within { border-color: var(--gk-primary); border-width: 2px; }
.gk-color-swatch { width: 52px; height: 100%; border: none; border-right: 1.5px solid var(--gk-outline-variant, #cbd5e1); cursor: pointer; padding: 6px; background: none; flex-shrink: 0; box-sizing: border-box; }
.gk-color-swatch input[type=color] { display: block; width: 100%; height: 100%; border: none; border-radius: 5px; cursor: pointer; padding: 0; appearance: none; -webkit-appearance: none; }
.gk-color-swatch input[type=color]::-webkit-color-swatch-wrapper { padding: 0; border-radius: 5px; }
.gk-color-swatch input[type=color]::-webkit-color-swatch { border: none; border-radius: 5px; }
.gk-color-swatch input[type=color]::-moz-color-swatch { border: none; border-radius: 5px; }
.gk-color-hex { border: none; outline: none; font-size: 14px; font-family: inherit; color: var(--gk-text); background: none; width: 100%; padding: 0 12px; text-transform: uppercase; letter-spacing: 0.5px; }
select.gk-input { appearance: none; -webkit-appearance: none; padding-right: 40px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; cursor: pointer; }

/* Toggle – M3 Style */
.gk-toggle { position: relative; display: inline-block; width: 48px; height: 28px; cursor: pointer; }
.gk-toggle input { opacity: 0; width: 0; height: 0; }
.gk-toggle-slider { position: absolute; inset: 0; background: var(--gk-neutral-300, #cbd5e1); border-radius: 14px; transition: background .2s, box-shadow .2s; }
.gk-toggle-slider::before { content: ''; position: absolute; width: 20px; height: 20px; left: 4px; top: 4px; background: #fff; border-radius: 50%; transition: transform .2s, width .2s; box-shadow: 0 1px 3px rgba(0,0,0,0.15); }
.gk-toggle input:checked + .gk-toggle-slider { background: var(--gk-primary); }
.gk-toggle input:checked + .gk-toggle-slider::before { transform: translateX(20px); }

.gk-form-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; padding-top: 16px; border-top: 1px solid var(--gk-outline-variant); margin-top: 16px; }
.gk-field-hint { font-size: 12px; color: var(--gk-text-secondary, #64748b); margin-top: 4px; }
.gk-field-error { color: var(--gk-danger); font-size: 12px; min-height: 0; margin-top: 4px; }
.gk-field-error:not(:empty) { min-height: 18px; }
.gk-input.gk-has-error { border-color: var(--gk-danger); }
.gk-input.gk-has-error:focus { box-shadow: 0 0 0 3px rgba(244,63,94,0.1); }
.gk-field.gk-field-has-error .gk-label-text { color: var(--gk-danger); }

/* === CHECKBOX (M3 Style) === */
.gk-checkbox-wrap { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: var(--gk-font-size); user-select: none; }
.gk-checkbox-wrap input { position: absolute; opacity: 0; width: 0; height: 0; }
.gk-checkbox-custom { width: 20px; height: 20px; border: 2px solid var(--gk-neutral-400); border-radius: 4px; display: flex; align-items: center; justify-content: center; transition: all .15s ease; flex-shrink: 0; position: relative; }
.gk-checkbox-custom::after { content: ''; display: block; width: 5px; height: 10px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg) scale(0); transition: transform .15s ease; margin-top: -2px; }
.gk-checkbox-wrap input:checked + .gk-checkbox-custom { background: var(--gk-primary); border-color: var(--gk-primary); }
.gk-checkbox-wrap input:checked + .gk-checkbox-custom::after { transform: rotate(45deg) scale(1); }
.gk-checkbox-wrap:hover .gk-checkbox-custom { border-color: var(--gk-primary); }
.gk-checkbox-text { line-height: 1.4; }

/* === RADIO (M3 Style) === */
.gk-radio-group { display: flex; flex-direction: column; gap: 8px; }
.gk-radio-group-inline { display: flex; flex-direction: row; gap: 16px; flex-wrap: wrap; }
.gk-radio-wrap { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: var(--gk-font-size); user-select: none; }
.gk-radio-wrap input { position: absolute; opacity: 0; width: 0; height: 0; }
.gk-radio-custom { width: 20px; height: 20px; border: 2px solid var(--gk-neutral-400); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: all .15s ease; flex-shrink: 0; }
.gk-radio-custom::after { content: ''; width: 10px; height: 10px; border-radius: 50%; background: var(--gk-primary); transform: scale(0); transition: transform .15s ease; }
.gk-radio-wrap input:checked + .gk-radio-custom { border-color: var(--gk-primary); }
.gk-radio-wrap input:checked + .gk-radio-custom::after { transform: scale(1); }
.gk-radio-wrap:hover .gk-radio-custom { border-color: var(--gk-primary); }

/* === RANGE / SLIDER (M3 Style) === */
.gk-range-wrap { display: flex; align-items: center; gap: 12px; }
.gk-range { -webkit-appearance: none; appearance: none; width: 100%; height: 4px; border-radius: 2px; background: var(--gk-neutral-200); outline: none; cursor: pointer; }
.gk-range::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--gk-primary); border: none; box-shadow: 0 1px 3px rgba(0,0,0,0.2); cursor: pointer; transition: box-shadow .15s; }
.gk-range::-webkit-slider-thumb:hover { box-shadow: 0 0 0 6px rgba(99,102,241,0.15); }
.gk-range::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; background: var(--gk-primary); border: none; box-shadow: 0 1px 3px rgba(0,0,0,0.2); cursor: pointer; }
.gk-range::-moz-range-progress { background: var(--gk-primary); height: 4px; border-radius: 2px; }
.gk-range-value { font-size: 13px; font-weight: 600; color: var(--gk-text); min-width: 32px; text-align: center; }

/* === FILE UPLOAD (Drag & Drop Zone) === */
.gk-upload-zone { position: relative; border: 2px dashed var(--gk-neutral-300); border-radius: 8px; padding: 24px; text-align: center; cursor: pointer; transition: all .15s; width: 100%; box-sizing: border-box; }
.gk-upload-zone:hover { border-color: var(--gk-primary); background: var(--gk-primary-50); }
.gk-upload-zone.gk-dragover { border-color: var(--gk-primary); background: var(--gk-primary-50); }
.gk-upload-input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.gk-upload-content { display: flex; flex-direction: column; align-items: center; gap: 4px; pointer-events: none; }
.gk-upload-icon { font-size: 32px; color: var(--gk-neutral-400); }
.gk-upload-zone:hover .gk-upload-icon, .gk-upload-zone.gk-dragover .gk-upload-icon { color: var(--gk-primary); }
.gk-upload-text { font-size: 14px; color: var(--gk-text-muted); }
.gk-upload-hint { font-size: 12px; color: var(--gk-neutral-400); }
.gk-upload-idle { display: flex; }
.gk-upload-progress { display: none; flex-direction: column; align-items: center; gap: 6px; pointer-events: none; }
.gk-upload-progress-label { font-size: 14px; color: var(--gk-text-muted); }

/* === UPLOAD QUEUE === */
.gk-upload-queue { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.gk-uq-item { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--gk-border); background: var(--gk-bg); transition: opacity .2s, transform .2s; }
.gk-uq-removing { opacity: 0; transform: translateX(8px); }
.gk-uq-thumb { width: 36px; height: 36px; border-radius: 6px; overflow: hidden; flex-shrink: 0; display: flex; align-items: center; justify-content: center; background: var(--gk-bg-muted); }
.gk-uq-img { width: 100%; height: 100%; object-fit: cover; }
.gk-uq-icon { font-size: 20px; color: var(--gk-text-muted); }
.gk-uq-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.gk-uq-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gk-uq-size { font-size: 11px; color: var(--gk-text-muted); }
.gk-uq-status { font-size: 11px; white-space: nowrap; padding: 2px 8px; border-radius: 20px; }
.gk-uq-remove { border: none; background: none; cursor: pointer; color: var(--gk-text-muted); padding: 4px; border-radius: 4px; display: flex; align-items: center; flex-shrink: 0; }
.gk-uq-remove:hover { background: var(--gk-bg-muted); color: var(--gk-danger); }
/* States */
.gk-uq-pending  .gk-uq-status { background: var(--gk-neutral-100, #f1f5f9); color: var(--gk-text-muted); }
.gk-uq-uploading { border-color: var(--gk-primary); }
.gk-uq-uploading .gk-uq-status { background: var(--gk-primary-50, #eef2ff); color: var(--gk-primary); }
.gk-uq-done { border-color: #16a34a; }
.gk-uq-done .gk-uq-status { background: #dcfce7; color: #166534; }
.gk-uq-error { border-color: var(--gk-danger); }
.gk-uq-error .gk-uq-status { background: #fee2e2; color: #991b1b; }

/* === RICHTEXT EDITOR === */
.gk-richtext { border: 1.5px solid var(--gk-border); border-radius: 8px; overflow: hidden; transition: border-color .15s, box-shadow .15s; }
.gk-richtext:focus-within { border-color: var(--gk-primary); border-width: 2px; box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
.gk-richtext-toolbar { display: flex; flex-wrap: wrap; gap: 2px; padding: 6px 8px; background: var(--gk-neutral-50); border-bottom: 1px solid var(--gk-border); }
.gk-richtext-btn { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border: none; border-radius: 4px; background: transparent; cursor: pointer; color: var(--gk-text-muted); transition: all .15s; }
.gk-richtext-btn:hover { background: var(--gk-neutral-200); color: var(--gk-text); }
.gk-richtext-btn.active { background: var(--gk-primary-100); color: var(--gk-primary-700); }
.gk-richtext-btn .material-icons { font-size: 18px; }
.gk-richtext-content { min-height: 120px; padding: 12px 16px; font-size: 14px; font-family: var(--gk-font); color: var(--gk-text); outline: none; line-height: 1.6; }
.gk-richtext-content:empty::before { content: attr(data-placeholder); color: var(--gk-neutral-400); }

/* Legacy checkbox/radio labels */
.gk-checkbox-label, .gk-radio-label { display: flex; align-items: center; gap: 6px; cursor: pointer; font-size: var(--gk-font-size); }

/* === MODAL === */
.gk-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 9999; backdrop-filter: blur(4px); }
.gk-modal { background: #fff; border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,0.2), 0 0 0 1px rgba(0,0,0,0.05); width: 90%; max-height: 90vh; display: flex; flex-direction: column; overflow: hidden; }
.gk-modal-small  { max-width: 420px; }
.gk-modal-medium { max-width: 640px; }
.gk-modal-large  { max-width: 860px; }
.gk-modal-large { max-width: 900px; }
.gk-modal-full { max-width: none; width: calc(100% - 32px); height: calc(100% - 32px); display: flex; flex-direction: column; }
.gk-modal-full .gk-modal-body { flex: 1; overflow-y: auto; }
.gk-modal-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; border-bottom: 1px solid var(--gk-border, #e2e8f0); background: #fff; }
.gk-modal-title { margin: 0; font-size: 17px; font-weight: 600; color: var(--gk-text, #0f172a); }
.gk-modal-close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--gk-text-muted, #94a3b8); padding: 4px 8px; line-height: 1; border-radius: 6px; transition: all .15s; }
.gk-modal-close:hover { color: var(--gk-text, #0f172a); background: var(--gk-bg-muted, #f1f5f9); }
.gk-modal-body { padding: 24px; overflow-y: auto; background: #fff; }
.gk-modal-body .gk-form { margin: 0; }

/* Loading spinner */
.gk-loading::after { content: ''; display: block; width: 24px; height: 24px; margin: 20px auto; border: 3px solid var(--gk-border); border-top-color: var(--gk-primary); border-radius: 50%; animation: gk-spin .6s linear infinite; }
@keyframes gk-spin { to { transform: rotate(360deg); } }

/* === FILTER CHIPS === */
.gk-filter-chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 8px; }
.gk-chip { display: inline-flex; align-items: center; gap: 4px; padding: 6px 14px; border-radius: 9999px; font-size: var(--gk-font-size-sm); font-weight: 500; text-decoration: none; cursor: pointer; transition: all .15s; border: 1px solid var(--gk-border); background: var(--gk-bg); color: var(--gk-text); line-height: 1.4; }
.gk-chip:hover { background: var(--gk-bg-hover); border-color: var(--gk-text-muted); }
.gk-chip-active { background: var(--gk-primary); color: #fff; border-color: var(--gk-primary); }
.gk-chip-active:hover { background: var(--gk-primary-hover); }
.gk-chip-danger.gk-chip-active { background: var(--gk-danger); border-color: var(--gk-danger); }
.gk-chip-success.gk-chip-active { background: var(--gk-success); border-color: var(--gk-success); }
.gk-chip-warning.gk-chip-active { background: var(--gk-warning); border-color: var(--gk-warning); color: #1f2937; }
.gk-chip-sm { padding: 4px 10px; font-size: 12px; }
.gk-chip-icon { font-size: 16px; line-height: 1; }
.gk-chip-count { background: rgba(0,0,0,0.08); padding: 1px 6px; border-radius: 9999px; font-size: 11px; margin-left: 2px; }
.gk-chip-active .gk-chip-count { background: rgba(255,255,255,0.2); }

/* === STAT CARDS === */
.gk-stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--gk-spacing); margin-bottom: 16px; }
.gk-stat-card { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; background: var(--gk-bg); border-radius: var(--gk-radius); box-shadow: var(--gk-shadow); border: 1px solid var(--gk-border); text-decoration: none; color: inherit; transition: box-shadow .15s; }
a.gk-stat-card:hover { box-shadow: var(--gk-shadow-lg); }
.gk-stat-content { display: flex; flex-direction: column; gap: 2px; }
.gk-stat-label { font-size: var(--gk-font-size-sm); color: var(--gk-text-muted); font-weight: 500; }
.gk-stat-value { font-size: 1.5rem; font-weight: 700; color: var(--gk-text); line-height: 1.2; }
.gk-stat-highlight { color: var(--gk-danger); }
.gk-stat-icon { font-size: 28px; color: var(--gk-primary); opacity: 0.7; }
.gk-stat-danger .gk-stat-icon { color: var(--gk-danger); }
.gk-stat-danger .gk-stat-value { color: var(--gk-danger); }
.gk-stat-success .gk-stat-icon { color: var(--gk-success); }
.gk-stat-success .gk-stat-value { color: var(--gk-success); }
.gk-stat-warning .gk-stat-icon { color: var(--gk-warning); }
.gk-stat-warning .gk-stat-value { color: var(--gk-warning); }
.gk-stat-blue .gk-stat-icon { color: var(--gk-primary); }
.gk-stat-primary .gk-stat-icon { color: var(--gk-primary); }
.gk-stat-info .gk-stat-icon { color: var(--gk-info); }

/* === YEAR FILTER === */
.gk-year-filter { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; margin-bottom: 12px; }

/* === SIDEBAR === */
/* Sidebar Hintergrund direkt gesetzt (hohe Spezifität, zuverlässiger als var()-Kette) */
[data-gk-theme] .gk-sidebar                              { background: #f4f5f7; color: #374151; border-right: 1px solid #e2e8f0; }
[data-gk-mode="dark"] .gk-sidebar                        { color: rgba(255,255,255,0.78); }






[data-gk-mode="dark"]    .gk-sidebar                     { background: #0d1225; border-right-color: rgba(255,255,255,0.09); }
[data-gk-theme="indigo"][data-gk-mode="dark"] .gk-sidebar { background: #0d1225; }
[data-gk-theme="ocean"][data-gk-mode="dark"]  .gk-sidebar { background: #071a2d; }
[data-gk-theme="forest"][data-gk-mode="dark"] .gk-sidebar { background: #071a12; }
[data-gk-theme="rose"][data-gk-mode="dark"]   .gk-sidebar { background: #1a0818; }
[data-gk-theme="amber"][data-gk-mode="dark"]  .gk-sidebar { background: #1a0d06; }
[data-gk-theme="slate"][data-gk-mode="dark"]  .gk-sidebar { background: #0d1424; }

.gk-sidebar { position: fixed; top: 0; left: 0; bottom: 0; width: 260px; background: var(--gk-sidebar-bg); color: var(--gk-sidebar-text); display: flex; flex-direction: column; z-index: 1000; transition: width .25s ease, transform .25s ease; overflow-y: auto; overflow-x: hidden; border-right: 1px solid var(--gk-sidebar-border); }
.gk-sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 14px 12px; border-bottom: 1px solid var(--gk-sidebar-border); background: var(--gk-sidebar-brand-bg); }
.gk-sidebar-brand-icon { font-size: 28px; color: var(--gk-sidebar-accent, #818cf8); }
.gk-sidebar-brand-text { flex: 1; min-width: 0; }
.gk-sidebar-brand-title { display: block; font-size: 16px; font-weight: 700; letter-spacing: -0.3px; white-space: nowrap; }
.gk-sidebar-brand-version { font-size: 11px; color: var(--gk-sidebar-text-muted); }
.gk-sidebar-close-mobile { display: none; background: none; border: none; color: var(--gk-sidebar-text-muted); cursor: pointer; padding: 4px; }
.gk-sidebar-close-mobile:hover { color: var(--gk-sidebar-text-hover); }
.gk-sidebar-nav { flex: 1; padding: 12px 10px; display: flex; flex-direction: column; gap: 2px; }
.gk-sidebar-group-label { font-size: 11px; font-weight: 600; color: var(--gk-sidebar-text-muted); text-transform: uppercase; letter-spacing: 0.05em; padding: 16px 12px 6px; }
.gk-sidebar-item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 6px; color: var(--gk-sidebar-text); text-decoration: none; font-size: 13px; font-weight: 500; transition: all .15s; border-left: 3px solid transparent; }
.gk-sidebar-item:hover { background: var(--gk-sidebar-item-hover); color: var(--gk-sidebar-text-hover); }
.gk-sidebar-item:hover .gk-sidebar-icon { color: var(--gk-sidebar-text-hover); }
.gk-sidebar-item.active { background: var(--gk-sidebar-item-active); color: var(--gk-sidebar-text-hover); border-left-color: var(--gk-sidebar-accent); padding-left: 9px; }
.gk-sidebar-item.active .gk-sidebar-icon { color: var(--gk-sidebar-accent); }
.gk-sidebar-icon { font-size: 20px; color: var(--gk-sidebar-icon-muted); width: 24px; text-align: center; flex-shrink: 0; transition: color .15s; }
.gk-sidebar-label { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: opacity .2s ease; }
.gk-sidebar.collapsed .gk-sidebar-label { opacity: 0; width: 0; overflow: hidden; padding: 0; margin: 0; }
/* Sidebar groups with subitems */
.gk-sidebar-group-toggle { width: 100%; text-align: left; cursor: pointer; border: none; font: inherit; background: none; }
.gk-sidebar-chevron { font-size: 18px !important; margin-left: auto; opacity: 0.5; transition: transform .2s ease; flex-shrink: 0; }
.gk-sidebar-group-toggle.collapsed .gk-sidebar-chevron { transform: rotate(-90deg); }
.gk-sidebar-subitems { display: flex; flex-direction: column; gap: 1px; overflow: hidden; max-height: 500px; transition: max-height .25s ease, opacity .2s ease; opacity: 1; }
.gk-sidebar-subitems.collapsed { max-height: 0; opacity: 0; }
.gk-sidebar-subitem { display: flex; align-items: center; gap: 8px; padding: 8px 12px 8px 46px; border-radius: 6px; color: var(--gk-sidebar-text); text-decoration: none; font-size: 13px; transition: all .15s; opacity: 0.85; }
.gk-sidebar-subitem:hover { background: var(--gk-sidebar-item-hover); color: var(--gk-sidebar-text); }
.gk-sidebar-subitem.active { color: var(--gk-sidebar-text-hover); background: var(--gk-sidebar-item-active); }
.gk-sidebar-subitem .gk-sidebar-icon { font-size: 17px; width: 20px; color: var(--gk-sidebar-icon-muted); }
.gk-sidebar-subitem:hover .gk-sidebar-icon { color: var(--gk-sidebar-text-hover); }
.gk-sidebar-subitem.active .gk-sidebar-icon { color: var(--gk-sidebar-accent); }
.gk-sidebar-divider { height: 1px; background: var(--gk-sidebar-border); margin: 10px 14px; }
.gk-sidebar.collapsed .gk-sidebar-subitems { max-height: 0; opacity: 0; }
.gk-sidebar.collapsed .gk-sidebar-chevron { display: none; }
.gk-sidebar.collapsed .gk-sidebar-badge { display: none; }

.gk-sidebar-badge { font-size: 11px; font-weight: 600; background: var(--gk-primary, #6366f1); color: #fff; padding: 1px 7px; border-radius: 9999px; min-width: 20px; text-align: center; }
.gk-sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 999; }
.gk-sidebar-toggle { display: none; background: none; border: none; border-radius: 8px; padding: 8px; cursor: pointer; color: var(--gk-text-muted, #64748b); transition: all .15s; }
.gk-sidebar-toggle:hover { background: var(--gk-surface-container, #f1f5f9); color: var(--gk-text); }

/* Sidebar: collapsed state (icons only) */
.gk-sidebar.collapsed { width: 60px; }
.gk-sidebar.collapsed .gk-sidebar-brand-text,
.gk-sidebar.collapsed .gk-sidebar-badge,
.gk-sidebar.collapsed .gk-sidebar-group-label,
.gk-sidebar.collapsed .gk-sidebar-collapse-label { opacity: 0; width: 0; overflow: hidden; pointer-events: none; transition: opacity .15s ease, width .15s ease; }
.gk-sidebar-brand-text, .gk-sidebar-badge, .gk-sidebar-group-label, .gk-sidebar-collapse-label { transition: opacity .2s ease; }
.gk-sidebar.collapsed .gk-sidebar-brand { padding: 10px 0; justify-content: center; gap: 0; }
.gk-sidebar.collapsed .gk-sidebar-brand-icon { display: none; }
.gk-sidebar.collapsed .gk-sidebar-brand-text { display: none; }
.gk-sidebar.collapsed .gk-sidebar-close-mobile { display: none; }
.gk-sidebar.collapsed .gk-sidebar-collapse-btn { margin: 0 auto; width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.07); }
.gk-sidebar.collapsed .gk-sidebar-collapse-btn { margin: 0 auto; }
.gk-sidebar.collapsed .gk-sidebar-item { justify-content: center !important; padding: 10px 0 !important; gap: 0 !important; text-align: center; }
.gk-sidebar.collapsed .gk-sidebar-group-toggle { justify-content: center !important; padding: 10px 0 !important; gap: 0 !important; }
.gk-sidebar.collapsed .gk-sidebar-icon { width: auto !important; font-size: 22px; margin: 0 !important; flex-shrink: 0; }
.gk-sidebar.collapsed .gk-sidebar-label { display: none !important; }
.gk-sidebar.collapsed .gk-sidebar-nav { padding: 8px 4px; gap: 2px; }
.gk-sidebar.collapsed .gk-sidebar-close-mobile { display: none; }
.gk-sidebar-collapse-btn { display: flex; align-items: center; justify-content: center; background: none; border: none; color: var(--gk-sidebar-text-muted); cursor: pointer; padding: 8px; border-radius: 8px; flex-shrink: 0; transition: all .15s; }
.gk-sidebar-collapse-btn:hover { background: var(--gk-sidebar-item-hover); color: var(--gk-sidebar-text-hover); }
.gk-sidebar.collapsed .gk-sidebar-collapse-btn:not(.gk-sidebar-collapse-bottom) { padding: 10px; border-radius: 10px; margin: 0 auto; display: flex; background: var(--gk-sidebar-item-hover, rgba(255,255,255,.08)); }
.gk-sidebar-collapse-bottom { gap: 8px; padding: 12px 14px; margin: 4px 10px 12px; border-top: 1px solid var(--gk-sidebar-border); border-radius: 6px; width: calc(100% - 20px); font-size: 13px; justify-content: flex-start; }
.gk-sidebar-collapse-bottom .material-icons { font-size: 20px; transition: transform .25s; }
.gk-sidebar.collapsed .gk-sidebar-collapse-bottom { justify-content: center; margin: 4px 6px 12px; width: calc(100% - 12px); }
.gk-sidebar.collapsed .gk-sidebar-collapse-bottom .material-icons { transform: rotate(180deg); }

.gk-sidebar.collapsed .gk-sidebar-item { position: relative; }
.gk-sidebar.collapsed .gk-sidebar-item::after { content: attr(data-label); position: absolute; left: 100%; top: 50%; transform: translateY(-50%); background: var(--gk-sidebar-bg); color: var(--gk-sidebar-text-hover); padding: 4px 10px; border-radius: 4px; font-size: 12px; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .15s; margin-left: 8px; z-index: 1001; }
.gk-sidebar.collapsed .gk-sidebar-item:hover::after { opacity: 1; }

/* Sidebar: content offset */
.gk-with-sidebar { margin-left: 260px; transition: margin-left .25s ease; }

/* === LAYOUT MAX-WIDTH (--gk-content-max-width) ===
   Sidebar bleibt links. Content-Bereich wird auf (max-width - sidebar) begrenzt. */
.gk-with-sidebar { max-width: calc(var(--gk-content-max-width, 1600px) - 260px); }
.gk-sidebar.collapsed ~ .gk-with-sidebar { max-width: calc(var(--gk-content-max-width, 1600px) - 60px); }
.gk-sidebar.collapsed ~ .gk-with-sidebar { margin-left: 60px; }

@media (max-width: 768px) {
    .gk-sidebar { transform: translateX(-100%); }
    .gk-sidebar.open { transform: translateX(0); }
    .gk-sidebar-close-mobile { display: block; }
    .gk-sidebar-collapse-btn { display: none; }
    .gk-sidebar-overlay.open { display: block; }
    .gk-sidebar-toggle { display: inline-flex; }
    .gk-with-sidebar { margin-left: 0; }
}

/* === TOOLTIP === */
.gk-tooltip { position: relative; }
.gk-btn[title] { position: relative; }
.gk-btn[title]:hover::after { content: attr(title); position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%); background: #1e293b; color: #fff; font-size: 12px; font-weight: 500; padding: 4px 10px; border-radius: 4px; white-space: nowrap; pointer-events: none; z-index: 100; animation: gk-tooltip-in .15s ease; }
.gk-btn[title]:hover::before { content: ''; position: absolute; bottom: calc(100% + 2px); left: 50%; transform: translateX(-50%); border: 4px solid transparent; border-top-color: #1e293b; pointer-events: none; z-index: 100; animation: gk-tooltip-in .15s ease; }
@keyframes gk-tooltip-in { from { opacity: 0; transform: translateX(-50%) translateY(4px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

/* === CARD === */
.gk-card { background: var(--gk-surface, #fff); border: 1px solid var(--gk-outline-variant, #e2e8f0); border-radius: 12px; padding: 20px 24px; margin-bottom: 16px; }
.gk-card-title { margin: 0 0 16px; font-size: 14px; font-weight: 700; color: var(--gk-primary, #6366f1); text-transform: uppercase; letter-spacing: 0.04em; }
.gk-card-flat { box-shadow: none; border: 1px solid var(--gk-outline-variant, #e2e8f0); }
.gk-card-elevated { box-shadow: 0 1px 4px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04); border: none; }

/* Form field spacing */
.gk-field { margin-bottom: 16px; }
.gk-field:last-child { margin-bottom: 0; }

/* === TOAST === */
/* Toast / Snackbar (M3) */
.gk-toast-container { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column-reverse; gap: 8px; z-index: 10000; pointer-events: none; }
.gk-toast { display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 14px 16px; border-radius: 12px; min-width: 300px; max-width: 560px; pointer-events: auto; animation: gk-toast-in 0.3s cubic-bezier(0.2, 0, 0, 1); font-size: 14px; font-weight: 400; line-height: 1.4; box-shadow: 0 3px 5px -1px rgba(0,0,0,.1), 0 6px 10px rgba(0,0,0,.07), 0 1px 18px rgba(0,0,0,.06); }
.gk-toast-info { background: #1e293b; color: #f1f5f9; }
.gk-toast-success { background: #065f46; color: #d1fae5; }
.gk-toast-error { background: #881337; color: #ffe4e6; }
.gk-toast-warning { background: #78350f; color: #fef3c7; }
.gk-toast-icon { font-size: 22px; flex-shrink: 0; opacity: 0.9; }
.gk-toast-close { background: none; border: none; color: inherit; opacity: 0.6; cursor: pointer; font-size: 18px; padding: 4px; margin-left: auto; border-radius: 50%; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; transition: opacity 0.15s, background 0.15s; flex-shrink: 0; }
.gk-toast-close:hover { opacity: 1; background: rgba(255,255,255,0.1); }
@keyframes gk-toast-in { from { transform: translateY(16px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.gk-toast-out { animation: gk-toast-out 0.2s ease forwards; }
@keyframes gk-toast-out { to { transform: translateY(16px); opacity: 0; } }

/* === CONFIRM DIALOG === */
.gk-confirm-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); backdrop-filter: blur(2px); display: flex; align-items: center; justify-content: center; z-index: 10001; animation: gk-fade-in .15s ease; }
.gk-confirm-box { background: var(--gk-bg, #fff); border-radius: var(--gk-radius); box-shadow: var(--gk-shadow-lg); width: 90%; max-width: 420px; overflow: hidden; animation: gk-scale-in .2s ease; }
.gk-confirm-header { padding: 16px 20px 0; }
.gk-confirm-header h3 { margin: 0; font-size: 16px; font-weight: 600; }
.gk-confirm-body { padding: 12px 20px 20px; }
.gk-confirm-body p { margin: 0; font-size: 14px; color: var(--gk-text-muted, #6b7280); line-height: 1.5; }
.gk-confirm-footer { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 20px; border-top: 1px solid var(--gk-border, #e5e7eb); background: var(--gk-bg-subtle, #f9fafb); }
@keyframes gk-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes gk-scale-in { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .gk-form-row { grid-template-columns: 1fr; }
    .gk-form-row > .gk-field { grid-column: span 1 !important; width: 100% !important; }
}
@media (max-width: 640px) {
    .gk-row { flex-direction: column; }
    .gk-row > .gk-field { flex: 1 1 100% !important; }
    .gk-toolbar { flex-direction: column; }
    .gk-search { width: 100%; min-width: 0; }
    .gk-filter { width: 100%; }
    .gk-table-wrap { overflow-x: auto; }
}

/* === HEADER === */
.gk-header {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 0 24px;
    background: #fff;
    border-bottom: 1px solid var(--gk-border, #e2e8f0);
    gap: 16px;
    z-index: 200;
    width: 100%;
    box-sizing: border-box;
}
.gk-header > * { flex-shrink: 0; }

/* Fixed Header (full-width, oben fixiert) */
.gk-header-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
}

/* Sticky Header (scrollt mit, klebt oben) */
.gk-header-sticky {
    position: sticky;
    top: 0;
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,0.85);
}

/* Backward-compat utility */
.gk-body-with-header {
    padding-top: 64px;
}

/* === LAYOUT: header-first (Default) === */
[data-gk-layout="header-first"] .gk-header-fixed,
.gk-layout-header-first .gk-header-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
}
[data-gk-layout="header-first"] .gk-sidebar,
.gk-layout-header-first .gk-sidebar {
    top: 64px;
    height: calc(100vh - 64px);
}
[data-gk-layout="header-first"] .gk-with-sidebar,
.gk-layout-header-first .gk-with-sidebar {
    padding-top: 64px;
}

/* === LAYOUT: sidebar-first === */
[data-gk-layout="sidebar-first"] .gk-header-fixed,
.gk-layout-sidebar-first .gk-header-fixed {
    position: fixed;
    top: 0;
    left: 260px;
    right: 0;
    z-index: 200;
    transition: left 0.25s ease;
}
[data-gk-layout="sidebar-first"] .gk-sidebar,
.gk-layout-sidebar-first .gk-sidebar {
    top: 0;
    height: 100vh;
    z-index: 300; /* Sidebar ueber Header */
}
[data-gk-layout="sidebar-first"] .gk-sidebar.collapsed ~ .gk-with-sidebar .gk-header-fixed,
.gk-layout-sidebar-first .gk-sidebar.collapsed ~ .gk-with-sidebar .gk-header-fixed,
[data-gk-layout="sidebar-first"] .gk-sidebar.collapsed + .gk-header-fixed,
.gk-layout-sidebar-first .gk-sidebar.collapsed + .gk-header-fixed {
    left: 60px;
}
[data-gk-layout="sidebar-first"] .gk-with-sidebar,
.gk-layout-sidebar-first .gk-with-sidebar {
    padding-top: 64px;
}

/* Mobile: Immer header-first */
@media (max-width: 768px) {
    [data-gk-layout="sidebar-first"] .gk-header-fixed { left: 0 !important; }
    [data-gk-layout="sidebar-first"] .gk-sidebar { top: 0; height: 100vh; }
}

.gk-header-left { display: flex; flex-direction: row; align-items: center; gap: 12px; flex: 0 0 auto; }
.gk-header-center { flex: 1 1 auto; display: flex; justify-content: center; max-width: 400px; }
.gk-header-right { display: flex; flex-direction: row; align-items: center; gap: 12px; flex: 0 0 auto; }

.gk-header-title h1 { font-size: 18px; font-weight: 600; margin: 0; line-height: 1.2; }

/* Breadcrumb */
.gk-breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--gk-text-muted, #94a3b8); }
.gk-breadcrumb a { color: var(--gk-primary, #6366f1); text-decoration: none; }
.gk-breadcrumb a:hover { text-decoration: underline; }
.gk-breadcrumb-current { color: var(--gk-text, #0f172a); font-weight: 500; }
.gk-breadcrumb-sep { color: var(--gk-text-muted, #94a3b8); }

/* Header Search (pill) */
.gk-header-search { display: flex; align-items: center; background: var(--gk-bg-muted, #f1f5f9); border-radius: 9999px; padding: 8px 16px; gap: 8px; width: 100%; }
.gk-header-search input { border: none; background: none; outline: none; font-size: 14px; width: 100%; font-family: inherit; }
.gk-header-search .material-icons { color: var(--gk-text-muted, #94a3b8); font-size: 20px; }

/* Header actions */
.gk-header-actions { display: flex; align-items: center; gap: 8px; }

/* Menu toggle (mobile) */
.gk-header-menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; border-radius: 8px; color: var(--gk-text); }
.gk-header-menu-toggle:hover { background: var(--gk-bg-muted, #f1f5f9); }

@media (max-width: 768px) {
    .gk-header { padding: 0 16px; }
    .gk-header-menu-toggle { display: flex; }
    .gk-header-center { display: none; }
    .gk-header-user-name { display: none; }
}

/* Avatar */
.gk-avatar { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; }
.gk-avatar-initials { display: flex; align-items: center; justify-content: center; background: var(--gk-primary, #6366f1); color: #fff; font-size: 14px; font-weight: 600; }

/* User dropdown */
.gk-header-user { display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 4px 8px; border-radius: 8px; position: relative; white-space: nowrap; }
.gk-header-user:hover { background: var(--gk-bg-muted, #f1f5f9); }
.gk-header-user-name { font-size: 14px; font-weight: 500; }
.gk-header-user .gk-dropdown-menu { display: none !important; }
.gk-header-user.open .gk-dropdown-menu { display: block !important; }

/* Dropdown menu */
.gk-dropdown-menu {
    display: none; position: absolute; top: 100%; right: 0; margin-top: 8px;
    background: #fff; border-radius: 12px; box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    min-width: 200px; padding: 8px 0; z-index: 200;
}
[data-gk-dropdown].open .gk-dropdown-menu { display: block; }
.gk-dropdown-item { display: flex; align-items: center; gap: 10px; padding: 10px 16px; font-size: 14px; color: var(--gk-text); text-decoration: none; transition: background .1s; }
.gk-dropdown-item:hover { background: var(--gk-bg-muted, #f1f5f9); }
.gk-dropdown-item .material-icons { font-size: 20px; color: var(--gk-text-muted); }
.gk-dropdown-divider { height: 1px; background: var(--gk-border, #e2e8f0); margin: 4px 0; }

/* === TABLE SIZES === */
.gk-table-sm th { padding: 6px 10px; font-size: 11px; }
.gk-table-sm td { padding: 6px 10px; font-size: 13px; }
.gk-table-md th { padding: 10px 16px; font-size: 12px; }
.gk-table-md td { padding: 12px 16px; font-size: 14px; }
.gk-table-lg th { padding: 14px 20px; font-size: 13px; }
.gk-table-lg td { padding: 16px 20px; font-size: 15px; }

/* === TABLE VARIANTS === */
.gk-table-bordered th,
.gk-table-bordered td { border: 1px solid var(--gk-border, #e2e8f0); }
.gk-table-striped tbody tr:nth-child(even) { background: var(--gk-bg-muted, #f8fafc); }
.gk-table-minimal th { border: none; background: transparent; color: var(--gk-text-muted, #94a3b8); }
.gk-table-minimal td { border-bottom: 1px solid var(--gk-border, #f1f5f9); }
.gk-table-minimal { box-shadow: none; }
.gk-table-flat { box-shadow: none; border-radius: 0; border: none; }
.gk-table-flat th { background: transparent; border-bottom: 2px solid var(--gk-border, #e2e8f0); }
.gk-table-flat td { border-bottom: 1px solid var(--gk-border, #f1f5f9); }

/* === TABLE MOBILE: Card === */
@media (max-width: 768px) {
    .gk-table-mobile-card table { display: block; }
    .gk-table-mobile-card thead { display: none; }
    .gk-table-mobile-card tbody { display: block; }
    .gk-table-mobile-card tr {
        display: block;
        background: #fff;
        border-radius: 12px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.08);
        padding: 16px;
        margin-bottom: 12px;
    }
    .gk-table-mobile-card td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 6px 0;
        border: none;
        border-bottom: 1px solid var(--gk-border, #f1f5f9);
    }
    .gk-table-mobile-card td:last-child { border-bottom: none; }
    .gk-table-mobile-card td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 12px;
        color: var(--gk-text-muted, #94a3b8);
        text-transform: uppercase;
        flex: 0 0 40%;
    }
    .gk-table-mobile-card td.gk-actions {
        justify-content: flex-end;
        padding-top: 12px;
        border-bottom: none;
    }
    .gk-table-mobile-card td.gk-actions::before { display: none; }
}

/* === TABLE MOBILE: Scroll === */
@media (max-width: 768px) {
    .gk-table-mobile-scroll .gk-table-container { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .gk-table-mobile-scroll table { min-width: 600px; }
}

/* === TABLE MOBILE: Hide Cols === */
@media (max-width: 768px) {
    .gk-hide-mobile { display: none !important; }
}

/* === DARK MODE === */
[data-gk-mode="dark"], .gk-dark {
    --gk-primary: #a5b4fc;
    --gk-on-primary: #2e2e8a;
    --gk-primary-container: #4345b0;
    --gk-on-primary-container: #e0e0ff;

    --gk-secondary: #ccc2dc;
    --gk-on-secondary: #332d41;
    --gk-secondary-container: #4a4458;
    --gk-on-secondary-container: #e8def8;

    --gk-tertiary: #6ee7b7;
    --gk-on-tertiary: #064e3b;
    --gk-tertiary-container: #065f46;
    --gk-on-tertiary-container: #d1fae5;

    --gk-error: #fda4af;
    --gk-on-error: #6b1028;
    --gk-error-container: #881337;
    --gk-on-error-container: #ffe4e6;

    --gk-surface-dim: #0f172a;
    --gk-surface: #1e293b;
    --gk-surface-bright: #334155;
    --gk-surface-container-lowest: #0b1120;
    --gk-surface-container-low: #141d2e;
    --gk-surface-container: #1e293b;
    --gk-surface-container-high: #283548;
    --gk-surface-container-highest: #334155;
    --gk-on-surface: #e2e8f0;
    --gk-on-surface-variant: #94a3b8;
    --gk-outline: #64748b;
    --gk-outline-variant: #334155;

    --gk-warning: #fbbf24;
    --gk-shadow: 0 1px 3px rgba(0,0,0,0.3);
    --gk-shadow-lg: 0 10px 25px rgba(0,0,0,0.4);

    /* Alias-Variablen explizit überschreiben (Fallback-Kette sicherstellen) */
    --gk-bg:         #1e293b;
    --gk-bg-muted:   #1e293b;
    --gk-bg-subtle:  #141d2e;
    --gk-bg-hover:   #283548;
    --gk-text:       #e2e8f0;
    --gk-text-muted: #94a3b8;
    --gk-text-subtle: #64748b;
    --gk-border:     #334155;

    /* Legacy dark overrides */
    --gk-primary-hover: #818cf8;
    --gk-success-hover: #34d399;
    --gk-warning-hover: #fbbf24;
    --gk-danger-hover: #fda4af;
    --gk-neutral-50:  #334155;
    --gk-neutral-100: #283548;
    --gk-neutral-200: #1e293b;
    --gk-neutral-800: #e2e8f0;
    --gk-neutral-900: #f8fafc;

    /* Sidebar dark mode */
    --gk-sidebar-bg: #0d1225;
    --gk-sidebar-text: rgba(255,255,255,0.78);
    --gk-sidebar-text-muted: rgba(255,255,255,0.38);
    --gk-sidebar-text-hover: #ffffff;
    --gk-sidebar-item-hover: rgba(255,255,255,0.09);
    --gk-sidebar-item-active: rgba(255,255,255,0.13);
    --gk-sidebar-border: rgba(255,255,255,0.09);
    --gk-sidebar-accent: #a5b4fc;
    --gk-sidebar-icon-muted: rgba(255,255,255,0.45);

    color-scheme: dark;
}

/* Dark mode: Component adjustments */
[data-gk-mode="dark"] .gk-header,
.gk-dark .gk-header { background: var(--gk-surface); border-color: var(--gk-outline-variant); }
[data-gk-mode="dark"] .gk-header-sticky,
.gk-dark .gk-header-sticky { background: rgba(30,41,59,0.85); }
[data-gk-mode="dark"] .gk-modal,
.gk-dark .gk-modal { background: var(--gk-surface-container-high); }
[data-gk-mode="dark"] .gk-table thead th,
.gk-dark .gk-table thead th { background: var(--gk-surface-container-low); color: var(--gk-on-surface-variant); }
[data-gk-mode="dark"] .gk-table tbody tr:hover,
.gk-dark .gk-table tbody tr:hover { background: var(--gk-surface-container-high); }
[data-gk-mode="dark"] .gk-table tbody tr:nth-child(even),
.gk-dark .gk-table tbody tr:nth-child(even) { background: rgba(255,255,255,0.05); }
[data-gk-mode="dark"] .gk-table tbody tr:nth-child(even):hover,
.gk-dark .gk-table tbody tr:nth-child(even):hover { background: var(--gk-surface-container-high); }
[data-gk-mode="dark"] .gk-table th,
[data-gk-mode="dark"] .gk-table td,
.gk-dark .gk-table th, .gk-dark .gk-table td { border-bottom-color: rgba(255,255,255,0.1); }
[data-gk-mode="dark"] .gk-table-wrap,
.gk-dark .gk-table-wrap { background: var(--gk-surface); border-color: rgba(255,255,255,0.1); }
[data-gk-mode="dark"] .gk-toolbar,
.gk-dark .gk-toolbar { border-bottom-color: var(--gk-outline-variant); }
[data-gk-mode="dark"] .gk-search,
.gk-dark .gk-search { background-color: var(--gk-surface-container-high); border-color: var(--gk-outline); color: var(--gk-on-surface); }
[data-gk-mode="dark"] .gk-filter,
.gk-dark .gk-filter { background-color: var(--gk-surface-container-high); border-color: var(--gk-outline); color: var(--gk-on-surface); }
[data-gk-mode="dark"] input,
[data-gk-mode="dark"] select,
[data-gk-mode="dark"] textarea,
.gk-dark input, .gk-dark select, .gk-dark textarea {
    background: var(--gk-surface-container-high);
    color: var(--gk-on-surface);
    border-color: var(--gk-outline);
}
[data-gk-mode="dark"] .gk-confirm-box,
.gk-dark .gk-confirm-box { background: var(--gk-surface-container-high); }
[data-gk-mode="dark"] .gk-toast,
.gk-dark .gk-toast { background: var(--gk-surface-container-highest); color: var(--gk-on-surface); }

/* Dark mode: Komponenten die explizit umgestellt werden müssen */
[data-gk-mode="dark"] .gk-stat-card,
.gk-dark .gk-stat-card {
    background: var(--gk-surface-container-high);
    border-color: var(--gk-outline-variant);
    color: var(--gk-on-surface);
}
[data-gk-mode="dark"] .gk-stat-label,
.gk-dark .gk-stat-label { color: var(--gk-on-surface-variant); }
[data-gk-mode="dark"] .gk-stat-value,
.gk-dark .gk-stat-value { color: var(--gk-on-surface); }

[data-gk-mode="dark"] .gk-chip,
.gk-dark .gk-chip {
    background: var(--gk-surface-container-high);
    border-color: var(--gk-outline);
    color: var(--gk-on-surface);
}
[data-gk-mode="dark"] .gk-chip:hover,
.gk-dark .gk-chip:hover { background: var(--gk-surface-container-highest); }
[data-gk-mode="dark"] .gk-chip.gk-chip-active,
.gk-dark .gk-chip.gk-chip-active {
    background: var(--gk-primary-container);
    color: var(--gk-on-primary-container);
    border-color: var(--gk-primary-container);
}

[data-gk-mode="dark"] .gk-card,
.gk-dark .gk-card {
    background: var(--gk-surface-container-high);
    border-color: rgba(255,255,255,0.14);
    color: var(--gk-on-surface);
}

[data-gk-mode="dark"] .gk-page-btn,
.gk-dark .gk-page-btn {
    background: var(--gk-surface-container-high);
    border-color: var(--gk-outline);
    color: var(--gk-on-surface);
}
[data-gk-mode="dark"] .gk-page-btn:hover,
.gk-dark .gk-page-btn:hover { background: var(--gk-surface-container-highest); }
[data-gk-mode="dark"] .gk-page-btn.active,
.gk-dark .gk-page-btn.active {
    background: var(--gk-primary);
    color: var(--gk-on-primary);
    border-color: var(--gk-primary);
}

/* Dark Mode: Tonal Buttons – helle Backgrounds durch dunkle Varianten ersetzen */
[data-gk-mode="dark"] .gk-btn-tonal.gk-btn-primary, .gk-dark .gk-btn-tonal.gk-btn-primary { background: rgba(99,102,241,0.22); color: #a5b4fc; }
[data-gk-mode="dark"] .gk-btn-tonal.gk-btn-primary:hover, .gk-dark .gk-btn-tonal.gk-btn-primary:hover { background: rgba(99,102,241,0.32); }
[data-gk-mode="dark"] .gk-btn-tonal.gk-btn-success, .gk-dark .gk-btn-tonal.gk-btn-success { background: rgba(16,185,129,0.18); color: #6ee7b7; }
[data-gk-mode="dark"] .gk-btn-tonal.gk-btn-success:hover, .gk-dark .gk-btn-tonal.gk-btn-success:hover { background: rgba(16,185,129,0.28); }
[data-gk-mode="dark"] .gk-btn-tonal.gk-btn-warning, .gk-dark .gk-btn-tonal.gk-btn-warning { background: rgba(245,158,11,0.18); color: #fcd34d; }
[data-gk-mode="dark"] .gk-btn-tonal.gk-btn-warning:hover, .gk-dark .gk-btn-tonal.gk-btn-warning:hover { background: rgba(245,158,11,0.28); }
[data-gk-mode="dark"] .gk-btn-tonal.gk-btn-danger, .gk-dark .gk-btn-tonal.gk-btn-danger { background: rgba(239,68,68,0.18); color: #fca5a5; }
[data-gk-mode="dark"] .gk-btn-tonal.gk-btn-danger:hover, .gk-dark .gk-btn-tonal.gk-btn-danger:hover { background: rgba(239,68,68,0.28); }
[data-gk-mode="dark"] .gk-btn-tonal.gk-btn-neutral, .gk-dark .gk-btn-tonal.gk-btn-neutral { background: rgba(255,255,255,0.09); color: #94a3b8; }
[data-gk-mode="dark"] .gk-btn-tonal.gk-btn-neutral:hover, .gk-dark .gk-btn-tonal.gk-btn-neutral:hover { background: rgba(255,255,255,0.15); }

[data-gk-mode="dark"] .gk-header-search,
.gk-dark .gk-header-search {
    background: var(--gk-surface-container-high);
    color: var(--gk-on-surface);
}
[data-gk-mode="dark"] .gk-header-search input,
.gk-dark .gk-header-search input {
    background: transparent;
    border: none;
    color: var(--gk-on-surface);
}
[data-gk-mode="dark"] .gk-header-user,
.gk-dark .gk-header-user { color: var(--gk-on-surface); }
[data-gk-mode="dark"] .gk-header-user:hover,
.gk-dark .gk-header-user:hover { background: var(--gk-surface-container-high); }
[data-gk-mode="dark"] .gk-dropdown-menu,
.gk-dark .gk-dropdown-menu {
    background: var(--gk-surface-container-highest);
    border-color: var(--gk-outline-variant);
}
[data-gk-mode="dark"] .gk-dropdown-item:hover,
.gk-dark .gk-dropdown-item:hover { background: var(--gk-surface-container-high); }

[data-gk-mode="dark"] .gk-confirm-footer,
.gk-dark .gk-confirm-footer {
    background: var(--gk-surface-container-high);
    border-color: var(--gk-outline-variant);
}

/* === THEME SWITCHER WIDGET === */
.gk-theme-switcher { display: flex; align-items: center; gap: 12px; padding: 2px 0; }
.gk-theme-colors { display: flex; gap: 8px; }
.gk-theme-dot {
    width: 28px; height: 28px; border-radius: 50%; border: 3px solid rgba(255,255,255,.25);
    cursor: pointer; transition: all .15s;
    box-shadow: 0 1px 4px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.2);
}
.gk-theme-dot:hover { transform: scale(1.18); border-color: rgba(255,255,255,.6); }
.gk-theme-dot.gk-theme-active { border-color: #fff; transform: scale(1.18); box-shadow: 0 0 0 2px var(--gk-primary), 0 2px 6px rgba(0,0,0,.4); }
[data-gk-mode="light"] .gk-theme-dot { border-color: rgba(0,0,0,.15); box-shadow: 0 1px 3px rgba(0,0,0,.2); }
[data-gk-mode="light"] .gk-theme-dot:hover { border-color: rgba(0,0,0,.4); }
[data-gk-mode="light"] .gk-theme-dot.gk-theme-active { border-color: var(--gk-primary); box-shadow: 0 0 0 2px var(--gk-primary); }
.gk-mode-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--gk-outline-variant);
    background: var(--gk-surface-container); cursor: pointer;
    color: var(--gk-on-surface); transition: all .15s; flex-shrink: 0;
}
.gk-mode-toggle:hover { background: var(--gk-surface-container-high); border-color: var(--gk-outline); }
/* Dropdown HTML-Items (z.B. Theme-Switcher im Avatar-Menü) */
.gk-dropdown-html { cursor: default; padding: 8px 16px; }
.gk-dropdown-html:hover { background: transparent; }
[data-gk-mode="light"] .gk-mode-dark { display: none; }
[data-gk-mode="dark"] .gk-mode-light { display: none; }
.gk-mode-dark { display: none; }

/* === SEARCHABLE SELECT === */
.gk-select-search { position: relative; }
.gk-select-display {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 14px; border: 1.5px solid var(--gk-outline-variant, #cbd5e1);
    border-radius: 8px; background: var(--gk-surface-container-lowest, #fff);
    cursor: pointer; font-size: 14px; color: var(--gk-text);
    transition: border-color .15s; box-sizing: border-box; height: 44px;
}
.gk-select-display:hover { border-color: var(--gk-outline, #94a3b8); }
.gk-select-display.open { border-color: var(--gk-primary); border-width: 2px; padding: 9.5px 13.5px; }
.gk-select-arrow { font-size: 20px; color: var(--gk-outline); transition: transform .2s; }
.gk-select-display.open .gk-select-arrow { transform: rotate(180deg); }
.gk-select-dropdown {
    display: none; position: absolute; top: calc(100% + 4px); left: 0; right: 0;
    background: var(--gk-surface, #fff); border: 1px solid var(--gk-outline-variant);
    border-radius: 12px; box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    z-index: 100; max-height: 300px; overflow: hidden;
}
.gk-select-display.open + .gk-select-dropdown { display: block; }
.gk-select-search-input {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 14px; border-bottom: 1px solid var(--gk-outline-variant);
}
.gk-select-search-input input {
    border: none; outline: none; font-size: 14px; width: 100%;
    background: none; font-family: inherit; color: var(--gk-text);
}
.gk-select-search-input .material-icons { color: var(--gk-outline); font-size: 20px; }
.gk-select-options { overflow-y: auto; max-height: 240px; padding: 4px 0; }
.gk-select-option {
    padding: 10px 14px; cursor: pointer; font-size: 14px;
    transition: background .1s;
}
.gk-select-option:hover { background: var(--gk-surface-container, #f1f5f9); }
.gk-select-option.selected { background: rgba(99,102,241,0.08); color: var(--gk-primary); font-weight: 500; }
.gk-select-option.hidden { display: none; }
.gk-select-empty { padding: 16px; text-align: center; color: var(--gk-outline); font-size: 13px; }
.gk-select-disabled .gk-select-display { opacity: .55; cursor: not-allowed; pointer-events: none; background: var(--gk-bg-muted); }

/* === MULTI-SELECT === */
.gk-multiselect { position: relative; }
.gk-multiselect-display {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 14px; border: 1.5px solid var(--gk-outline-variant, #cbd5e1);
    border-radius: 8px; background: var(--gk-surface-container-lowest, #fff);
    cursor: text; min-height: 44px; flex-wrap: wrap;
}
.gk-multiselect-display:hover { border-color: var(--gk-outline, #94a3b8); }
.gk-multiselect-display.open { border-color: var(--gk-primary); border-width: 2px; padding: 5.5px 13.5px; }
.gk-multiselect-display.open + .gk-select-dropdown { display: block; }
.gk-multiselect-chips { display: flex; flex-wrap: wrap; gap: 4px; flex: 1; align-items: center; }
.gk-multiselect-input {
    border: none; outline: none; font-size: 14px; min-width: 80px;
    flex: 1; background: none; padding: 4px 0; font-family: inherit;
}
.gk-chip-selected {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 8px 3px 10px; border-radius: 6px; font-size: 13px; font-weight: 500;
    background: var(--gk-primary-container, #e0e0ff); color: var(--gk-on-primary-container, #1a1a6b);
}
.gk-chip-remove {
    border: none; background: none; cursor: pointer; font-size: 14px; line-height: 1;
    color: var(--gk-on-primary-container, #1a1a6b); opacity: 0.6; padding: 0 2px;
}
.gk-chip-remove:hover { opacity: 1; }

/* === AJAX SELECT === */
.gk-ajax-select { position: relative; }
.gk-ajax-select .gk-select-display {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 14px; border: 1.5px solid var(--gk-outline-variant, #cbd5e1);
    border-radius: 8px; background: var(--gk-surface-container-lowest, #fff);
    height: 44px; box-sizing: border-box;
}
.gk-ajax-select .gk-select-display:hover { border-color: var(--gk-outline); }
.gk-ajax-search-input {
    border: none; outline: none; font-size: 14px; width: 100%;
    background: none; font-family: inherit; color: var(--gk-text);
}
.gk-ajax-clear {
    border: none; background: none; cursor: pointer; font-size: 18px;
    color: var(--gk-outline); padding: 0 4px;
}
.gk-ajax-clear:hover { color: var(--gk-danger); }
.gk-select-icon { color: var(--gk-outline); font-size: 20px; }
.gk-select-loading {
    padding: 16px; text-align: center; color: var(--gk-outline); font-size: 13px;
    display: flex; align-items: center; justify-content: center; gap: 8px;
}
.gk-select-option-sub { font-size: 12px; color: var(--gk-outline); margin-top: 2px; }

/* === PAGE HEADER === */
.gk-page-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.gk-page-header h1, .gk-page-header h2 { font-size: 20px; font-weight: 700; margin: 0; color: var(--gk-on-surface); }
.gk-page-header h3 { font-size: 16px; font-weight: 600; margin: 0; color: var(--gk-on-surface); }

/* === SECTION TITLE === */
/* === TABS === */
.gk-tabs { width: 100%; }
.gk-tab-nav { display: flex; gap: 2px; border-bottom: 2px solid var(--gk-border); margin-bottom: 20px; }
.gk-tab-btn { padding: 9px 18px; font-size: 14px; font-weight: 500; color: var(--gk-text-muted); background: none; border: none; border-bottom: 2px solid transparent; margin-bottom: -2px; cursor: pointer; transition: color .15s, border-color .15s; border-radius: 4px 4px 0 0; display: flex; align-items: center; gap: 6px; }
.gk-tab-btn:hover { color: var(--gk-text); background: var(--gk-bg-hover); }
.gk-tab-btn.gk-active { color: var(--gk-primary); border-bottom-color: var(--gk-primary); }
.gk-tab-panel { display: none; }
.gk-tab-panel.gk-active { display: block; }

.gk-section-title { font-size: 15px; font-weight: 600; margin: 0 0 12px 0; color: var(--gk-on-surface); }

/* === SPACER === */
.gk-spacer    { height: 16px; }
.gk-spacer-sm { height: 8px; }
.gk-spacer-md { height: 20px; }
.gk-spacer-lg { height: 24px; }
.gk-spacer-xl { height: 32px; }

/* === TEXT UTILITIES === */
.gk-text-muted { color: var(--gk-on-surface-variant); }

/* === GRID === */
.gk-grid   { display: grid; gap: 16px; }
.gk-grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.gk-grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* === FORM PAGE LAYOUT === */
.gk-form-page { max-width: 800px; }

/* === CKEDITOR5 in GridKit === */
.gk-richtext-wrap { border: 1.5px solid var(--gk-border); border-radius: var(--gk-radius-sm); overflow: hidden; transition: border-color .15s; }
.gk-richtext-wrap:focus-within { border-color: var(--gk-primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
.gk-richtext-wrap .ck-editor__editable { min-height: 320px; font-family: var(--gk-font); font-size: 14px; border: none !important; box-shadow: none !important; }
.gk-richtext-wrap .ck.ck-toolbar { border: none; border-bottom: 1px solid var(--gk-border) !important; background: var(--gk-bg-muted) !important; }