/* Syllabus Companion — dark theme tokens + component overrides (ported from Class Calendar features.css) */

[data-theme="dark"] {
    color-scheme: dark;

    --primary: #1ed3a4;
    --primary-dark: #14b98f;
    --secondary: #7c8aa0;

    --bg-main: #0e1726;
    --bg-card: #111c2c;
    --bg-hover: #16202f;
    --surface-elevated: #16202f;
    --surface-muted: #141d2a;
    --surface: #111c2c;
    --bg-secondary: #141d2a;
    --input-bg: #0e1726;

    --link-color: #7fe8c8;
    --accent: #14b98f;
    --accent-muted: rgba(20, 185, 143, 0.12);

    --text-primary: #e8edf4;
    --text-secondary: #aebbcd;
    --text-muted: #7c8aa0;
    --control-disabled-fg: #94a3b8;
    --text-on-primary: #f8fafc;
    --text-on-danger: #f8fafc;

    --border-color: #232f44;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.45);

    --holiday-bg: #422006;
    --holiday-border: #e0b65c;

    --top-bar-bg: rgba(17, 28, 44, 0.96);
    --top-bar-shadow: 0 4px 16px rgba(0, 0, 0, 0.45);
    --toolbar-section-border: #2c3a52;
    --toolbar-field-bg: #0e1726;
    --toolbar-field-border: #2c3a52;

    --shell-zone-track-bg: #0e1726;
    --shell-segment-active-bg: linear-gradient(180deg, #1ed3a4, #0e9b76);
    --shell-segment-inactive-bg: linear-gradient(180deg, #1e2b3e, #16202f);
    --lock-badge-text: #6ee0c2;
    --chip-calm-fill-alpha: 0.16;
    --chip-calm-text: #dde6f1;
    --chip-calm-subtext: rgba(221, 230, 241, 0.55);
    --calendar-card-border: #232f44;
    --calendar-grid-line: #1c2638;

    --btn-print-bg: #1e3a5f;
    --btn-print-border: #3b82f6;
    --btn-print-color: #bfdbfe;
    --btn-print-hover-bg: #1e40af;
    --btn-lang-bg: #3b0764;
    --btn-lang-border: #7c3aed;
    --btn-lang-color: #e9d5ff;
    --btn-lang-hover-bg: #4c1d95;
    --btn-theme-bg: #334155;
    --btn-theme-border: #475569;
    --btn-theme-color: #e2e8f0;
    --btn-theme-hover-bg: #475569;

    --print-section-options-accent: #60a5fa;
    --print-section-options-tint: #172554;
    --print-section-books-accent: #4ade80;
    --print-section-books-tint: #14532d;
    --print-section-lessons-accent: #a78bfa;
    --print-section-lessons-tint: #3b0764;
    --print-section-data-accent: #f87171;
    --print-section-data-tint: #450a0a;

    --tab-print-inactive-bg: #134e4a;
    --tab-print-inactive-color: #5eead4;
    --tab-print-inactive-border: #0f766e;
    --tab-print-hover-bg: #115e59;
    --tab-print-active-bg: #14b8a6;

    --status-success-bg: #052e16;
    --status-success-color: #86efac;
    --status-success-border: #166534;
    --status-error-bg: #450a0a;
    --status-error-color: #fca5a5;
    --status-error-border: #991b1b;

    --badge-warn-bg: #422006;
    --badge-warn-color: #fcd34d;

    --chip-bg: #334155;
    --chip-color: #f1f5f9;
}

[data-theme="dark"] input:not([type="checkbox"]):not([type="radio"]):not([type="color"]):not([type="range"]),
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background: var(--input-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-muted);
}

[data-theme="dark"] .calendar-container {
    background: transparent;
}

[data-theme="dark"] .calendar-day:not(.holiday) {
    background: var(--bg-card);
    color: var(--text-primary);
}

[data-theme="dark"] .calendar-day.holiday {
    color: inherit;
}

[data-theme="dark"] .modal-content,
[data-theme="dark"] .lesson-filter-popover-panel {
    background: var(--bg-card);
    color: var(--text-primary);
}

[data-theme="dark"] .calendar-day-header {
    background: var(--surface-elevated);
    color: var(--text-secondary);
}

[data-theme="dark"] .calendar-day.other-month:not(.holiday) {
    background: var(--bg-main);
}

[data-theme="dark"] .calendar-day.other-month:not(.holiday) .day-number {
    color: var(--text-secondary);
}

[data-theme="dark"] .calendar-day.today:not(.holiday) {
    box-shadow: inset 0 0 0 2px var(--primary);
}

[data-theme="dark"] .calendar-day.today.holiday {
    box-shadow: inset 0 0 0 2px rgba(248, 250, 252, 0.85);
}

[data-theme="dark"] .calendar-day.has-eval-period:not(.holiday) {
    box-shadow: inset 0 0 0 2px rgba(167, 139, 250, 0.65);
}

[data-theme="dark"] .modal {
    background: rgba(2, 6, 23, 0.72);
}

[data-theme="dark"] .print-syllabus-template-item,
[data-theme="dark"] .print-books-item {
    background: var(--surface-elevated);
}

[data-theme="dark"] .syllabus-editor-block,
[data-theme="dark"] .module-list-panel,
[data-theme="dark"] .module-editor-panel {
    background: var(--bg-card);
    border-color: var(--border-color);
}

[data-theme="dark"] .calendar-options {
    background: var(--surface-muted);
    border-color: var(--toolbar-section-border);
}

[data-theme="dark"] .calendar-visibility-dock {
    background: var(--top-bar-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .calendar-toolbar-section {
    background: var(--bg-card);
    border-color: var(--toolbar-section-border);
}

[data-theme="dark"] .toolbar-field {
    background: var(--toolbar-field-bg);
    border-color: var(--toolbar-field-border);
}

[data-theme="dark"] .visibility-chip {
    background: var(--toolbar-field-bg);
    border-color: var(--toolbar-field-border);
}

[data-theme="dark"] .visibility-chip:hover {
    background: var(--bg-hover);
    border-color: var(--text-muted);
}

[data-theme="dark"] .visibility-chip:has(input:checked) {
    background: var(--accent-muted);
    border-color: var(--accent);
}

[data-theme="dark"] .selection-chip {
    background: var(--toolbar-field-bg);
    border-color: var(--toolbar-field-border);
}

[data-theme="dark"] .selection-chip:hover {
    background: var(--bg-hover);
    border-color: var(--text-muted);
}

[data-theme="dark"] .selection-chip:has(input:checked) {
    background: var(--accent-muted);
    border-color: var(--accent);
}

[data-theme="dark"] .books-editor-table th {
    background: var(--surface-elevated);
}

[data-theme="dark"] .syllabus-table th,
[data-theme="dark"] .syllabus-table td {
    border-color: var(--border-color);
}

[data-theme="dark"] .syllabus-editor-table .syllabus-row-event.syllabus-row-evaluation_period td,
[data-theme="dark"] .syllabus-editor-table .syllabus-row-event td {
    background: #3b0764;
}

[data-theme="dark"] .syllabus-editor-table .syllabus-row-event.syllabus-row-evaluation_deadline td {
    background: #450a0a;
}

[data-theme="dark"] .homework-import-panel {
    background: var(--surface-elevated);
}

[data-theme="dark"] .summary-table th {
    background: var(--surface-elevated);
}

[data-theme="dark"] .app-zone-segment-btn {
    color: #9aa8bd;
    background: linear-gradient(180deg, #1e2b3e, #16202f);
    border-color: #2a374e;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .app-zone-segment-btn.is-active,
[data-theme="dark"] .app-zone-segment-btn[aria-selected="true"] {
    color: #eaf6f1;
    background: linear-gradient(180deg, #26354b, #172234);
    border-color: #3a4d6a;
    box-shadow: 0 -3px 8px rgba(0, 0, 0, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Keep print preview paper-white for WYSIWYG accuracy */
[data-theme="dark"] .print-preview-wrap {
    background: var(--surface-muted);
}

[data-theme="dark"] .print-preview-frame,
[data-theme="dark"] #printPreviewFrame {
    background: #fff;
    color: #111;
}

[data-theme="dark"] .print-summary #syllabusTablesSummary .syllabus-a4-sheet,
[data-theme="dark"] .print-summary #syllabusTablesSummary .syllabus-a4-page {
    background: #fff;
    color: #111;
}