/* =====================================================
   SISTEMA DE GESTÃO ESCOLAR - CSS PRINCIPAL
   Design moderno e responsivo inspirado nos melhores sistemas
   ===================================================== */

/* Reset e Configurações Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores principais */
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #818CF8;
    --secondary-color: #06B6D4;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --danger-color: #EF4444;
    --info-color: #3B82F6;

    /* Cores neutras */
    --dark: #1F2937;
    --dark-light: #374151;
    --gray: #6B7280;
    --gray-light: #D1D5DB;
    --light: #F3F4F6;
    --white: #FFFFFF;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transições */
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
    overflow-x: hidden;
}

/* Garante scroll horizontal nas tabelas */
.main-content {
    overflow-x: auto;
}

.table-responsive {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    display: block;
}

/* =====================================================
   PÁGINA DE LOGIN
   ===================================================== */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    position: relative;
    overflow-y: auto;
    padding: 2rem 0;
}

.login-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.circle1 {
    width: 300px;
    height: 300px;
    top: -150px;
    left: -150px;
}

.circle2 {
    width: 400px;
    height: 400px;
    bottom: -200px;
    right: -200px;
}

.circle3 {
    width: 200px;
    height: 200px;
    top: 50%;
    right: 10%;
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1200px;
    padding: var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.login-box {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.login-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.login-header p {
    color: var(--gray);
    font-size: 0.938rem;
}

.login-form {
    margin-top: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
    font-size: 0.938rem;
}

.form-group label i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background-color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.938rem;
}

.alert i {
    font-size: 1.25rem;
}

.alert-success {
    background-color: #D1FAE5;
    color: #065F46;
    border: 1px solid #10B981;
}

.alert-danger {
    background-color: #FEE2E2;
    color: #991B1B;
    border: 1px solid #EF4444;
}

.alert-warning {
    background-color: #FEF3C7;
    color: #92400E;
    border: 1px solid #F59E0B;
}

.alert-info {
    background-color: #DBEAFE;
    color: #1E40AF;
    border: 1px solid #3B82F6;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
}

.btn i {
    font-size: 1.125rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #0891B2;
    transform: translateY(-2px);
}

.btn-success {
    background-color: var(--success-color);
    color: var(--white);
}

.btn-success:hover {
    background-color: #059669;
}

.btn-danger {
    background-color: var(--danger-color);
    color: var(--white);
}

.btn-danger:hover {
    background-color: #DC2626;
}

.btn-warning {
    background-color: var(--warning-color);
    color: var(--white);
}

.btn-warning:hover {
    background-color: #D97706;
}

.btn-light {
    background-color: var(--light);
    color: var(--dark);
}

.btn-light:hover {
    background-color: var(--gray-light);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.login-footer {
    margin-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray);
    font-size: 0.875rem;
}

.login-footer i {
    margin-right: 0.25rem;
}

.login-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.info-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.info-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.info-card p {
    color: var(--gray);
    font-size: 0.938rem;
}

/* =====================================================
   LAYOUT DO DASHBOARD
   ===================================================== */

.dashboard-wrapper {
    display: flex;
    min-height: 100vh;
    background-color: var(--light);
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition);
    /* Safe Area for Mobile (Notch) */
    padding-top: env(safe-area-inset-top);
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-light);
    text-align: center;
}

.sidebar-header i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.sidebar-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
}

.sidebar-menu {
    padding: var(--spacing-md);
}

.menu-section {
    margin-bottom: var(--spacing-lg);
}

.menu-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: var(--spacing-xs);
    padding: 0 var(--spacing-sm);
}

.menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem var(--spacing-sm);
    color: var(--dark);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
    margin-bottom: 0.25rem;
}

.menu-item i {
    font-size: 1.125rem;
    width: 1.5rem;
    text-align: center;
}

.menu-item:hover {
    background-color: var(--light);
    color: var(--primary-color);
}

.menu-item.active {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Main Content */
.main-content {
    margin-left: 280px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Top Bar */
.topbar {
    background: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    /* Safe Area for Mobile (Notch) */
    padding-top: max(var(--spacing-md), env(safe-area-inset-top));
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--dark);
    cursor: pointer;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.topbar-icon {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.topbar-icon:hover {
    background-color: var(--gray-light);
}

.topbar-icon i {
    font-size: 1.125rem;
    color: var(--dark);
}

.badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background-color: var(--danger-color);
    color: var(--white);
    font-size: 0.625rem;
    font-weight: 600;
    padding: 0.125rem 0.375rem;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem var(--spacing-sm);
    background-color: var(--light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
}

.user-menu:hover {
    background-color: var(--gray-light);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 0.938rem;
    color: var(--dark);
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray);
}

/* Content Area */
.content {
    flex: 1;
    padding: var(--spacing-lg);
}

.content-header {
    margin-bottom: var(--spacing-lg);
}

.content-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray);
}

.breadcrumb a {
    color: var(--gray);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb i {
    font-size: 0.75rem;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: visible;
    margin-bottom: var(--spacing-lg);
}

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.card-title i {
    color: var(--primary-color);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--gray-light);
    background-color: var(--light);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: var(--transition);
    position: relative;
    /* Para posicionamento do badge */
}

/* Badge estilo iPhone */
.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--danger-color);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    min-width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 10;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
}

.stat-icon.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
}

.stat-icon.success {
    background: linear-gradient(135deg, var(--success-color), #34D399);
}

.stat-icon.warning {
    background: linear-gradient(135deg, var(--warning-color), #FBBF24);
}

.stat-icon.danger {
    background: linear-gradient(135deg, var(--danger-color), #F87171);
}

.stat-icon.info {
    background: linear-gradient(135deg, var(--info-color), #60A5FA);
}

.stat-icon.secondary {
    background: linear-gradient(135deg, var(--secondary-color), #22D3EE);
}

.stat-details {
    flex: 1;
}

.stat-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--dark);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray);
}

.stat-change {
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.25rem;
}

.stat-change.positive {
    color: var(--success-color);
}

.stat-change.negative {
    color: var(--danger-color);
}

/* Tables */
.table-responsive {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    display: block;
    width: 100%;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background-color: var(--light);
}

th {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--gray-light);
    font-size: 0.938rem;
}

tr:hover {
    background-color: var(--light);
}

.table-actions {
    display: flex;
    gap: 0.5rem;
}

.table-actions .btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

/* Badges */
.badge-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background-color: #D1FAE5;
    color: #065F46;
}

.badge-danger {
    background-color: #FEE2E2;
    color: #991B1B;
}

.badge-warning {
    background-color: #FEF3C7;
    color: #92400E;
}

.badge-info {
    background-color: #DBEAFE;
    color: #1E40AF;
}

.badge-secondary {
    background-color: #E0F2FE;
    color: #075985;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

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

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
}

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

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--gray-light);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* =====================================================
   RESPONSIVIDADE
   ===================================================== */

@media (max-width: 1024px) {
    .login-container {
        grid-template-columns: 1fr;
    }

    .login-info {
        display: none;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .topbar {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .page-title {
        font-size: 1.25rem;
    }

    .user-info {
        display: none;
    }

    .content {
        padding: var(--spacing-md);
    }

    .table-responsive {
        overflow-x: scroll;
    }

    table {
        min-width: 600px;
    }
}

@media (max-width: 480px) {
    .login-box {
        padding: var(--spacing-md);
    }

    .login-header h1 {
        font-size: 1.5rem;
    }

    .card-body {
        padding: var(--spacing-md);
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }
}

/* =====================================================
   ANIMAÇÕES
   ===================================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-in {
    animation: slideIn 0.3s ease;
}

/* =====================================================
   UTILITÁRIOS
   ===================================================== */

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.d-flex {
    display: flex;
}

.align-items-center {
    align-items: center;
}

.justify-content-between {
    justify-content: space-between;
}

.gap-1 {
    gap: var(--spacing-xs);
}

.gap-2 {
    gap: var(--spacing-sm);
}

.gap-3 {
    gap: var(--spacing-md);
}

.text-primary {
    color: var(--primary-color);
}

.text-success {
    color: var(--success-color);
}

.text-danger {
    color: var(--danger-color);
}

.text-warning {
    color: var(--warning-color);
}

.text-gray {
    color: var(--gray);
}


/* Ajustes Responsivos Extras */
@media (max-width: 480px) {

    /* Melhoria do Layout da Topbar em Mobile */
    .page-title {
        display: none;
        /* Esconde título para dar espaço aos ícones */
    }

    .topbar {
        padding: 0.5rem;
    }

    .topbar-right {
        gap: 0.5rem;
    }

    /* Atribuição de Aulas (Responsivo) */
    .atribuicao-row {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }

    .atribuicao-row button {
        width: 100%;
    }
}