/* ==========================================================================
   ШКІЛЬНИЙ ПОРТАЛ: РОЗКЛАД & ДОМАШНІ ЗАВДАННЯ (CYBER / MODERN EDU STYLES)
   ========================================================================== */

:root {
    --bg-main: #0b0f19;
    --bg-card: rgba(17, 24, 39, 0.75);
    --bg-card-hover: rgba(30, 41, 59, 0.85);
    --bg-modal: #111827;
    --bg-input: rgba(15, 23, 42, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-focus: #3b82f6;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --accent: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;

    --glow-primary: 0 0 20px rgba(59, 130, 246, 0.35);
    --glow-accent: 0 0 20px rgba(139, 92, 246, 0.35);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-main: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-card-hover: #ffffff;
    --bg-modal: #ffffff;
    --bg-input: #f8fafc;
    --border-color: rgba(0, 0, 0, 0.08);
    --border-color-focus: #2563eb;
    --text-main: #0f172a;
    --text-muted: #475569;
    --text-dim: #94a3b8;
    --shadow-card: 0 10px 20px -3px rgba(0, 0, 0, 0.07), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.12) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.12) 0px, transparent 50%);
    background-attachment: fixed;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 12px 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.header-container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: var(--glow-primary);
}

.brand-text h1 {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-text p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.live-lesson-ticker {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--success);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.3); }
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* User profile bar */
.user-selector-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-input);
    padding: 4px 10px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.user-selector-wrapper label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

.user-dropdown {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-weight: 700;
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
}

.user-dropdown option {
    background: var(--bg-modal);
    color: var(--text-main);
}

.mode-toggle-badge {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.mode-toggle-badge:hover {
    background: rgba(59, 130, 246, 0.3);
}

/* ==========================================================================
   BUTTONS & INPUTS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: translateY(-1px);
    box-shadow: var(--glow-primary);
}

.btn-secondary {
    background: var(--bg-input);
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-color-focus);
}

.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
}

.btn-icon {
    padding: 8px;
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* ==========================================================================
   NAVIGATION TABS
   ========================================================================== */
.nav-tabs-container {
    max-width: 1440px;
    margin: 20px auto 0;
    padding: 0 24px;
}

.nav-tabs {
    display: flex;
    gap: 8px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    padding: 6px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow-x: auto;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.tab-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 7px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
}

/* ==========================================================================
   MAIN CONTENT AREA
   ========================================================================== */
.main-content {
    max-width: 1440px;
    margin: 20px auto 60px;
    padding: 0 24px;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   FILTER BAR
   ========================================================================== */
.toolbar-card {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-bottom: 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    box-shadow: var(--shadow-card);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

.select-pill, .input-pill {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    outline: none;
    transition: var(--transition);
}

.select-pill:focus, .input-pill:focus {
    border-color: var(--border-color-focus);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.select-pill option {
    background: var(--bg-modal);
    color: var(--text-main);
}

.days-pill-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.day-pill-btn {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.day-pill-btn:hover {
    color: var(--text-main);
    border-color: var(--primary);
}

.day-pill-btn.active {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.35);
}

/* ==========================================================================
   SCHEDULE GRID (CARDS VIEW)
   ========================================================================== */
.days-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.day-column {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.day-column:hover {
    border-color: rgba(255, 255, 255, 0.18);
}

.day-column.today-column {
    border: 2px solid #3b82f6;
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.2);
}

.day-header {
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.day-header-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.day-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
}

.day-lessons-list {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

/* Lesson Card */
.lesson-card {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    display: flex;
    gap: 12px;
    align-items: center;
    position: relative;
    transition: var(--transition);
    cursor: pointer;
}

.lesson-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.lesson-card.empty-slot {
    opacity: 0.35;
    border-style: dashed;
    cursor: default;
}

.lesson-card.empty-slot:hover {
    transform: none;
    border-color: var(--border-color);
}

.lesson-card.active-now {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.12);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.25);
}

.lesson-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    border-radius: 0 4px 4px 0;
    background: var(--subject-color, #64748b);
}

.lesson-num-badge {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.lesson-details {
    flex: 1;
    min-width: 0;
}

.lesson-subject-name {
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 6px;
}

.lesson-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.teacher-tag {
    background: rgba(255, 255, 255, 0.07);
    padding: 1px 6px;
    border-radius: 4px;
    font-weight: 600;
    color: var(--teacher-color, #cbd5e1);
}

.room-tag {
    color: var(--text-dim);
}

.lesson-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hw-count-badge {
    background: #f59e0b;
    color: #000000;
    font-weight: 800;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 999px;
    box-shadow: 0 2px 6px rgba(245, 158, 11, 0.4);
}

.quick-hw-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    transition: var(--transition);
}

.quick-hw-btn:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

/* ==========================================================================
   HOMEWORK (ДЗ) SECTION
   ========================================================================== */
.hw-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-card);
}

.stat-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.stat-info h4 {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-info .stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.hw-list-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 20px;
}

.hw-card {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 14px;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.hw-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.hw-card.priority-high {
    border-left: 4px solid var(--danger);
}

.hw-card.priority-exam {
    border-left: 4px solid #a855f7;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.06), transparent);
}

.hw-card.priority-normal {
    border-left: 4px solid var(--primary);
}

.hw-card.priority-low {
    border-left: 4px solid var(--text-dim);
}

.hw-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
}

.hw-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.hw-badge {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
}

.hw-badge.badge-subject {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.hw-badge.badge-grade {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
}

.hw-badge.badge-priority-high {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.hw-badge.badge-priority-exam {
    background: rgba(168, 85, 247, 0.15);
    color: #c084fc;
}

.hw-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 4px;
}

.hw-card-notes {
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-input);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.hw-deadline-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
}

.deadline-urgent {
    color: var(--danger);
}

.deadline-normal {
    color: var(--text-muted);
}

/* Multi-user completion list */
.hw-completions-section {
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.completion-header {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    justify-content: space-between;
}

.user-checks-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.user-check-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.user-check-chip:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
}

.user-check-chip.completed {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.4);
    color: #34d399;
}

.hw-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
}

/* ==========================================================================
   MATRIX TABLE VIEW (FULL OFFICIAL SCHEDULE)
   ========================================================================== */
.matrix-container {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    overflow-x: auto;
    box-shadow: var(--shadow-card);
}

.matrix-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.matrix-table th, .matrix-table td {
    border: 1px solid var(--border-color);
    padding: 10px 12px;
    text-align: left;
}

.matrix-table th {
    background: rgba(255, 255, 255, 0.04);
    font-weight: 700;
    color: var(--text-main);
}

.matrix-table .day-matrix-header {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    font-size: 0.95rem;
    font-weight: 800;
}

.matrix-cell-subject {
    font-weight: 700;
    display: block;
}

.matrix-cell-teacher {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* ==========================================================================
   BELLS SCHEDULE MODAL / VIEW
   ========================================================================== */
.bells-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
}

.bell-card {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bell-card.active-bell {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.bell-time-badge {
    font-family: monospace;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
}

/* ==========================================================================
   MODALS
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.modal-box {
    background: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 540px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

.modal-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.4rem;
    cursor: pointer;
    line-height: 1;
}

.modal-close-btn:hover {
    color: var(--text-main);
}

.modal-body {
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

.form-control {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--border-color-focus);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */
@media print {
    body {
        background: #ffffff !important;
        color: #000000 !important;
        background-image: none !important;
    }
    .site-header, .nav-tabs-container, .toolbar-card, .btn, .lesson-actions, .modal-overlay, .hw-stats-grid {
        display: none !important;
    }
    .main-content {
        margin: 0 !important;
        padding: 0 !important;
        max-width: 100% !important;
    }
    .tab-pane {
        display: block !important;
    }
    #tab-matrix {
        display: block !important;
    }
    #tab-schedule, #tab-homework, #tab-users {
        display: none !important;
    }
    .matrix-container {
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
    }
    .matrix-table th, .matrix-table td {
        border: 1px solid #000000 !important;
        color: #000000 !important;
    }
    .matrix-table .day-matrix-header {
        background: #e2e8f0 !important;
        color: #000000 !important;
    }
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 768px) {
    .site-header {
        padding: 10px 16px;
    }
    .header-container {
        flex-direction: column;
        align-items: flex-start;
    }
    .header-controls {
        width: 100%;
        justify-content: space-between;
    }
    .nav-tabs-container, .main-content {
        padding: 0 16px;
    }
    .toolbar-card {
        flex-direction: column;
        align-items: flex-start;
    }
    .hw-list-container {
        grid-template-columns: 1fr;
    }
}