/* ==============================================================================
   EMUTE ESCOLAR WEB — DESIGN SYSTEM & ESTILOS GLOBAIS
   Domínio: escolar.emute.ao
   Identidade: Azul EMUTE, Branco, Neutros Suaves, Segoe UI / Inter
   ============================================================================== */

:root {
    --primary: #0F62AC;
    --primary-hover: #0c4e8a;
    --primary-light: #eff6ff;
    --primary-border: #bfdbfe;
    --primary-dark: #08335c;
    
    --accent: #2563eb;
    --accent-gold: #f59e0b;
    --success: #10b981;
    --success-bg: #ecfdf5;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    
    --bg-app: #f8fafc;
    --bg-card: #ffffff;
    --bg-sidebar: #0F62AC;
    --bg-sidebar-hover: rgba(255, 255, 255, 0.12);
    --bg-sidebar-active: rgba(255, 255, 255, 0.22);

    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-on-primary: #ffffff;

    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --border-focus: #38bdf8;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    
    --sidebar-width: 250px;
    --topbar-height: 64px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Inter', Roboto, sans-serif;
    background-color: var(--bg-app);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ==============================================================================
   LAYOUT PRINCIPAL (Sidebar + Header + Content)
   ============================================================================== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    color: var(--text-on-primary);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.08);
    transition: width 0.25s ease;
}

.sidebar-header {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    gap: 12px;
}

.brand-badge {
    background: #ffffff;
    color: var(--primary);
    font-weight: 900;
    font-size: 13px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
}

.brand-title {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.brand-sub {
    font-size: 11px;
    opacity: 0.8;
    display: block;
    margin-top: -3px;
}

.sidebar-menu {
    flex: 1;
    overflow-y: auto;
    padding: 15px 10px;
    list-style: none;
}

.menu-section-label {
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: rgba(255, 255, 255, 0.6);
    padding: 14px 12px 6px;
}

.menu-item {
    margin-bottom: 3px;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: all 0.15s ease;
    cursor: pointer;
}

.menu-bullet {
    width: 6px;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-full);
    transition: all 0.15s ease;
}

.menu-link:hover {
    background-color: var(--bg-sidebar-hover);
    color: #ffffff;
}

.menu-link:hover .menu-bullet {
    background-color: #ffffff;
    transform: scale(1.4);
}

.menu-link.active {
    background-color: var(--bg-sidebar-active);
    color: #ffffff;
    font-weight: 700;
    box-shadow: inset 3px 0 0 #ffffff;
}

.menu-link.active .menu-bullet {
    background-color: #ffffff;
    transform: scale(1.6);
}

.sidebar-footer {
    padding: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 11.5px;
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.inst-pill {
    max-width: 170px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
}

/* Main Area */
.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Topbar */
.app-topbar {
    height: var(--topbar-height);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: var(--shadow-sm);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.page-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.inst-info-badge {
    background-color: var(--primary-light);
    border: 1px solid var(--primary-border);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 12.5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Container de Conteúdo */
.app-content {
    flex: 1;
    padding: 24px 28px;
}

/* ==============================================================================
   COMPONENTES UI & BOTÕES
   ============================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13.5px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    line-height: 1.2;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
}
.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: var(--shadow-sm);
}

.btn-success {
    background-color: var(--success);
    color: #ffffff;
}
.btn-success:hover {
    background-color: #059669;
}

.btn-secondary {
    background-color: #ffffff;
    border-color: var(--border);
    color: var(--text-main);
}
.btn-secondary:hover {
    background-color: var(--bg-app);
    border-color: #cbd5e1;
}

.btn-danger {
    background-color: var(--danger);
    color: #ffffff;
}
.btn-danger:hover {
    background-color: #dc2626;
}

.btn-sm {
    font-size: 12px;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
}

.btn-lg {
    font-size: 15px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #ffffff;
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
}

.card-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 12px 20px;
    background-color: var(--bg-app);
    border-top: 1px solid var(--border);
}

/* KPIs Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.kpi-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted);
}

.kpi-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    margin: 8px 0 4px;
    line-height: 1;
}

.kpi-sub {
    font-size: 12px;
    color: var(--text-light);
}

/* Banner de Geração Rápida */
.hero-generator-banner {
    background: linear-gradient(135deg, #0F62AC 0%, #083b68 100%);
    color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 32px 36px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-lg);
}

.hero-info h2 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.hero-info p {
    font-size: 14px;
    opacity: 0.88;
    max-width: 600px;
}

/* Formulários & Inputs */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 9px 12px;
    font-size: 13.5px;
    font-family: inherit;
    color: var(--text-main);
    background-color: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15, 98, 172, 0.15);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

/* Tabelas */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.table-data {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.table-data th {
    background-color: #f8fafc;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 10px 14px;
    border-bottom: 2px solid var(--border);
    text-align: left;
}

.table-data td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
    vertical-align: middle;
}

.table-data tr:hover td {
    background-color: #f8fafc;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius-full);
}
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }

/* ==============================================================================
   MATRIZ DE DISPONIBILIDADE DO PROFESSOR (Interativa)
   ============================================================================== */
.availability-grid-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    user-select: none;
}

.availability-grid-table th {
    background: #f1f5f9;
    padding: 8px;
    font-size: 12px;
    font-weight: 700;
    text-align: center;
    border: 1px solid var(--border);
}

.availability-cell {
    border: 1px solid var(--border);
    text-align: center;
    padding: 8px 4px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    transition: all 0.15s ease;
    height: 40px;
}

.availability-cell.available {
    background-color: #dcfce7;
    color: #15803d;
}

.availability-cell.unavailable {
    background-color: #fee2e2;
    color: #b91c1c;
}

.availability-cell.preferred {
    background-color: #fef3c7;
    color: #b45309;
}

.availability-cell:hover {
    filter: brightness(0.92);
}

/* ==============================================================================
   VISUALIZADOR DE HORÁRIOS HORIZONTAL (Academic Grid)
   ============================================================================== */
.timetable-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    background: #ffffff;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin-bottom: 20px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.timetable-container {
    background: #ffffff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
}

.academic-timetable {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    min-width: 850px;
}

.academic-timetable th {
    background-color: var(--primary);
    color: #ffffff;
    font-size: 12px;
    font-weight: 800;
    text-align: center;
    padding: 10px 6px;
    border: 1px solid var(--primary-dark);
    letter-spacing: 0.5px;
}

.academic-timetable th.th-time {
    width: 14%;
    background-color: var(--primary-dark);
}

.academic-timetable td {
    border: 1px solid #cbd5e1;
    text-align: center;
    vertical-align: middle;
    padding: 8px 6px;
    height: 70px;
}

.td-time-slot {
    background-color: #f8fafc;
    font-size: 12px;
    font-weight: 700;
    color: #334155;
}

.td-time-sub {
    display: block;
    font-size: 10.5px;
    color: var(--text-muted);
    font-weight: normal;
    margin-top: 2px;
}

.td-break-row {
    background-color: #fef3c7 !important;
}

.td-break-cell {
    background-color: #fde68a !important;
    color: #92400e;
    font-weight: 800;
    font-size: 11px;
}

.td-break-content {
    background-color: #fef3c7 !important;
    color: #92400e;
    font-weight: 800;
    font-size: 11px;
    letter-spacing: 2px;
}

.lesson-card {
    background-color: #ffffff;
    border-radius: 4px;
    padding: 4px;
    transition: transform 0.1s ease;
}

.lesson-subject {
    font-size: 12.5px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}

.lesson-teacher {
    font-size: 11px;
    color: #334155;
    margin-top: 3px;
}

.lesson-room {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    margin-top: 2px;
}

.lesson-empty {
    color: #cbd5e1;
    font-size: 16px;
}

/* Modais */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 650px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-content-lg {
    max-width: 900px;
}

@keyframes modalIn {
    from { transform: translateY(15px) scale(0.98); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

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

.modal-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--text-main);
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
}

.modal-close-btn:hover {
    color: var(--danger);
    background-color: var(--danger-bg);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 14px 24px;
    background-color: var(--bg-app);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Onboarding Screen */
.onboarding-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0f7ff 0%, #e2e8f0 100%);
    padding: 20px;
}

.onboarding-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 520px;
    padding: 36px 32px;
    border: 1px solid var(--border);
}

.onboarding-logo-center {
    text-align: center;
    margin-bottom: 24px;
}

/* Responsividade */
@media (max-width: 900px) {
    .app-sidebar {
        width: 70px;
    }
    .brand-title, .brand-sub, .menu-link span, .menu-section-label, .inst-pill {
        display: none;
    }
    .sidebar-header {
        justify-content: center;
        padding: 0;
    }
    .menu-link {
        justify-content: center;
        padding: 12px 0;
    }
    .app-main {
        margin-left: 70px;
    }
}