/**
 * Frontend Timetable Styles
 *
 * @package SchoolsScheduling
 * @author Tobalt — https://tobalt.lt
 */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* ── Design Tokens ──────────────────────────── */
:root {
	--ts-font: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
	--ts-navy: #1a2332;
	--ts-navy-light: #243044;
	--ts-teal: #0d9488;
	--ts-teal-light: #14b8a6;
	--ts-amber: #f59e0b;
	--ts-amber-pale: #fef9ee;
	--ts-bg: #fafaf8;
	--ts-card: #ffffff;
	--ts-border: #e5e7eb;
	--ts-border-light: #f0f1f3;
	--ts-text: #1f2937;
	--ts-text-muted: #6b7280;
	--ts-text-subtle: #9ca3af;
	--ts-accent-blue: #3b82f6;
	--ts-accent-rose: #f43f5e;
	--ts-accent-violet: #8b5cf6;
	--ts-accent-orange: #f97316;
	--ts-radius: 10px;
	--ts-shadow-sm: 0 1px 2px rgba(0,0,0,.04), 0 1px 3px rgba(0,0,0,.06);
	--ts-shadow-md: 0 4px 6px rgba(0,0,0,.04), 0 2px 4px rgba(0,0,0,.06);
	--ts-shadow-lg: 0 10px 15px rgba(0,0,0,.06), 0 4px 6px rgba(0,0,0,.04);
	--ts-double-bg: #eff6ff;
}

/* ── Base Container ─────────────────────────── */
.tobalt-schedule-wrapper {
	max-width: 1200px;
	margin: 0 auto;
	font-family: var(--ts-font);
	color: var(--ts-text);
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
}

.tobalt-schedule-notice {
	text-align: center;
	padding: 60px 20px;
	color: var(--ts-text-muted);
	font-size: 15px;
}

.tobalt-schedule-content {
	margin-top: 24px;
}

/* ── Timetable Header ───────────────────────── */
.tobalt-timetable-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 16px;
}

.tobalt-timetable-title {
	font-size: 24px;
	font-weight: 700;
	color: var(--ts-navy);
	letter-spacing: -0.02em;
}

.tobalt-print-btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 8px 18px;
	background: var(--ts-card);
	color: var(--ts-text);
	border: 1px solid var(--ts-border);
	border-radius: 8px;
	font-family: var(--ts-font);
	font-size: 13px;
	font-weight: 500;
	cursor: pointer;
	transition: all .2s ease;
}

.tobalt-print-btn:hover {
	background: var(--ts-navy);
	color: #fff;
	border-color: var(--ts-navy);
}

/* ── Timetable Grid ─────────────────────────── */
.tobalt-timetable {
	width: 100%;
	border-collapse: separate;
	border-spacing: 0;
	background: var(--ts-card);
	border: 1px solid var(--ts-border);
	border-radius: var(--ts-radius);
	overflow: hidden;
	box-shadow: var(--ts-shadow-sm);
}

.tobalt-timetable th {
	background: var(--ts-navy);
	color: #fff;
	padding: 14px 10px;
	text-align: center;
	font-weight: 600;
	font-size: 13px;
	letter-spacing: 0.02em;
	text-transform: uppercase;
}

.tobalt-timetable th:first-child {
	border-radius: var(--ts-radius) 0 0 0;
}

.tobalt-timetable th:last-child {
	border-radius: 0 var(--ts-radius) 0 0;
}

.tobalt-timetable td {
	padding: 10px 8px;
	border: 1px solid var(--ts-border-light);
	vertical-align: top;
	font-size: 13px;
}

/* ── Time Column ────────────────────────────── */
.tobalt-timetable .tobalt-time-cell {
	text-align: center;
	background: var(--ts-bg);
	white-space: nowrap;
	width: 76px;
	padding: 10px 6px;
	border-right: 2px solid var(--ts-border);
}

.tobalt-timetable .tobalt-period-num {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	height: 28px;
	margin: 0 auto 4px;
	background: var(--ts-navy);
	color: #fff;
	border-radius: 50%;
	font-size: 13px;
	font-weight: 700;
	line-height: 1;
}

.tobalt-timetable .tobalt-time-cell .tobalt-time-range {
	font-size: 11px;
	color: var(--ts-text-muted);
	font-weight: 500;
	line-height: 1.3;
}

/* ── Lesson Cells ───────────────────────────── */
.tobalt-timetable .tobalt-lesson-cell {
	background: var(--ts-amber-pale);
	position: relative;
	min-height: 50px;
	transition: background-color .15s ease;
}

.tobalt-timetable .tobalt-lesson-cell:hover {
	background: #fef3c7;
}

.tobalt-timetable .tobalt-empty-cell {
	background: var(--ts-card);
}

/* Double period */
.tobalt-timetable .tobalt-lesson-cell[rowspan="2"] {
	background: var(--ts-double-bg);
}

.tobalt-timetable .tobalt-lesson-cell[rowspan="2"]:hover {
	background: #dbeafe;
}

/* ── Lesson Content ─────────────────────────── */
.tobalt-lesson {
	line-height: 1.4;
}

.tobalt-lesson-subject {
	font-weight: 600;
	color: var(--ts-navy);
	font-size: 13px;
	margin-bottom: 2px;
}

.tobalt-lesson-teacher {
	color: var(--ts-teal);
	font-size: 12px;
	font-weight: 500;
}

.tobalt-lesson-room {
	color: var(--ts-text-subtle);
	font-size: 11px;
}

.tobalt-lesson-classes {
	color: var(--ts-accent-blue);
	font-size: 11px;
	margin-top: 3px;
	font-weight: 500;
}

/* ── Double Badge ───────────────────────────── */
.tobalt-double-badge {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	background: var(--ts-accent-blue);
	color: #fff;
	font-size: 9px;
	font-weight: 700;
	padding: 1px 5px;
	border-radius: 4px;
	margin-left: 4px;
	vertical-align: middle;
	letter-spacing: 0.02em;
}

/* ── Multi-group Lesson ─────────────────────── */
.tobalt-lesson-groups {
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
}

.tobalt-lesson-group {
	flex: 1;
	min-width: 78px;
	padding: 5px 7px;
	background: rgba(255,255,255,.6);
	border-radius: 6px;
	border-left: 3px solid var(--ts-teal);
}

.tobalt-lesson-group:nth-child(2) {
	border-left-color: var(--ts-accent-rose);
}

.tobalt-lesson-group:nth-child(3) {
	border-left-color: var(--ts-accent-orange);
}

.tobalt-lesson-group:nth-child(4) {
	border-left-color: var(--ts-accent-violet);
}

/* ── Overview Grid ──────────────────────────── */
.tobalt-overview-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 16px;
	margin-top: 20px;
}

.tobalt-overview-card {
	background: var(--ts-card);
	border: 1px solid var(--ts-border);
	border-radius: var(--ts-radius);
	overflow: hidden;
	cursor: pointer;
	transition: transform .2s ease, box-shadow .2s ease;
}

.tobalt-overview-card:hover {
	transform: translateY(-3px);
	box-shadow: var(--ts-shadow-lg);
}

.tobalt-overview-card-header {
	background: var(--ts-navy);
	color: #fff;
	padding: 12px 16px;
	font-weight: 700;
	font-size: 18px;
	letter-spacing: -0.01em;
}

.tobalt-overview-card-body {
	padding: 8px;
}

.tobalt-overview-mini-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 10px;
}

.tobalt-overview-mini-table td {
	padding: 2px 3px;
	border: 1px solid var(--ts-border-light);
	text-align: center;
	height: 18px;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
	max-width: 0;
}

.tobalt-overview-mini-table .mini-filled {
	background: var(--ts-amber-pale);
	color: var(--ts-navy);
	font-weight: 500;
}

.tobalt-overview-mini-table .mini-empty {
	background: var(--ts-card);
}

/* ── Loading State ──────────────────────────── */
.tobalt-schedule-loading {
	text-align: center;
	padding: 60px 20px;
	color: var(--ts-text-subtle);
	font-size: 14px;
}

.tobalt-schedule-loading::after {
	content: '';
	display: inline-block;
	width: 20px;
	height: 20px;
	border: 2px solid var(--ts-border);
	border-top-color: var(--ts-teal);
	border-radius: 50%;
	animation: tobalt-spin .7s linear infinite;
	margin-left: 10px;
	vertical-align: middle;
}

@keyframes tobalt-spin {
	to { transform: rotate(360deg); }
}

/* ── Fade-in Animation ──────────────────────── */
@keyframes tobalt-fadein {
	from { opacity: 0; transform: translateY(8px); }
	to { opacity: 1; transform: translateY(0); }
}

.tobalt-timetable,
.tobalt-overview-grid,
.tobalt-mobile-schedule {
	animation: tobalt-fadein .35s ease-out;
}