/* 
 * CSS Mobile-First para Sistema de Agendamento CFC
 * Bootstrap 5 + PWA + Mobile-First
 */

/* Reset e Base */
* {
    box-sizing: border-box;
}

body.mobile-first {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-bottom: 80px; /* Espaço para bottom nav */
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 120px);
    padding-top: 20px;
    padding-bottom: 100px; /* Espaço para bottom nav */
}

/* Container Principal */
.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 16px;
}

/* Header Mobile */
.header {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    padding: 16px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header h1 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.header .subtitle {
    font-size: 14px;
    opacity: 0.9;
}

/* Cards Mobile */
.card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 1px solid #e2e8f0;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e2e8f0;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
}

.card-subtitle {
    font-size: 14px;
    color: #64748b;
    margin-top: 4px;
}

/* Botões Mobile */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px; /* Touch target mínimo */
    gap: 8px;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

.btn-secondary {
    background: #64748b;
    color: white;
}

.btn-secondary:hover {
    background: #475569;
}

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

.btn-success:hover {
    background: #047857;
}

.btn-warning {
    background: #d97706;
    color: white;
}

.btn-warning:hover {
    background: #b45309;
}

.btn-danger {
    background: #dc2626;
    color: white;
}

.btn-danger:hover {
    background: #b91c1c;
}

.btn-outline {
    background: transparent;
    border: 2px solid #2563eb;
    color: #2563eb;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
    min-height: 36px;
}

.btn-lg {
    padding: 16px 24px;
    font-size: 18px;
    min-height: 52px;
}

.btn-full {
    width: 100%;
}

/* Lista de Aulas Mobile */
.aula-list {
    list-style: none;
}

.aula-item {
    background: white;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.aula-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.aula-tipo {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.aula-tipo.teorica {
    background: #dbeafe;
    color: #1e40af;
}

.aula-tipo.pratica {
    background: #dcfce7;
    color: #166534;
}

.aula-tipo.exame {
    background: #fef3c7;
    color: #92400e;
}

.aula-data {
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
}

.aula-hora {
    font-size: 14px;
    color: #64748b;
    margin-top: 2px;
}

.aula-detalhes {
    margin-bottom: 12px;
}

.aula-detalhe {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
    font-size: 14px;
    color: #475569;
}

.aula-detalhe-icon {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    opacity: 0.7;
}

.aula-status {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.aula-status.agendada {
    background: #dbeafe;
    color: #1e40af;
}

.aula-status.confirmada {
    background: #dcfce7;
    color: #166534;
}

.aula-status.cancelada {
    background: #fee2e2;
    color: #dc2626;
}

.aula-status.concluida {
    background: #f3f4f6;
    color: #374151;
}

/* Formulários Mobile */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s ease;
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    background: white;
    cursor: pointer;
}

.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    min-height: 100px;
    resize: vertical;
    font-family: inherit;
}

.form-error {
    color: #dc2626;
    font-size: 14px;
    margin-top: 4px;
}

/* Modal Mobile */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.modal {
    background: white;
    border-radius: 16px 16px 0 0;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.modal-header {
    padding: 20px 20px 0;
    border-bottom: 1px solid #e2e8f0;
    margin-bottom: 20px;
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
}

.modal-body {
    padding: 0 20px 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    gap: 12px;
}

/* Badges e Indicadores */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

.badge-success {
    background: #dcfce7;
    color: #166534;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #dc2626;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* Loading States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: #64748b;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid #e2e8f0;
    border-top: 2px solid #2563eb;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 12px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #64748b;
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #374151;
}

.empty-state-text {
    font-size: 14px;
    line-height: 1.5;
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 20px;
    left: 16px;
    right: 16px;
    background: white;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1100;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.toast-success {
    border-left: 4px solid #059669;
}

.toast-error {
    border-left: 4px solid #dc2626;
}

.toast-warning {
    border-left: 4px solid #d97706;
}

.toast-info {
    border-left: 4px solid #2563eb;
}

.toast-header {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

.toast-title {
    font-weight: 600;
    margin-left: 8px;
}

.toast-message {
    font-size: 14px;
    color: #64748b;
}

/* Grid Responsivo */
.grid {
    display: grid;
    gap: 16px;
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.p-0 { padding: 0; }
.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }

.hidden { display: none; }
.visible { display: block; }

/* Responsive Breakpoints */
@media (min-width: 640px) {
    .container {
        max-width: 640px;
        padding: 0 24px;
    }
    
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal {
        border-radius: 16px;
        margin: 20px;
        max-height: calc(100vh - 40px);
    }
    
    .modal-overlay {
        align-items: center;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 768px;
    }
    
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .btn-sm {
        padding: 10px 18px;
        font-size: 14px;
        min-height: 40px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
    }
    
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .aula-item {
        padding: 20px;
    }
    
    .card {
        padding: 24px;
    }
}

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible para navegação por teclado */
.btn:focus-visible,
.form-input:focus-visible,
.form-select:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

/* Bottom Navigation */
.bottom-nav {
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.bottom-nav .nav-link {
    padding: 8px 4px;
    color: #6c757d;
    text-decoration: none;
    transition: color 0.2s ease;
}

.bottom-nav .nav-link.active {
    color: #0d6efd;
}

.bottom-nav .nav-link:hover {
    color: #0d6efd;
}

.bottom-nav .nav-label {
    font-size: 11px;
    margin-top: 2px;
    font-weight: 500;
}

/* Cards Mobile-First */
.card-mobile {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-bottom: 16px;
    overflow: hidden;
}

.card-mobile .card-header {
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    padding: 16px;
}

.card-mobile .card-body {
    padding: 16px;
}

/* Table to Cards (Mobile) */
.table-mobile {
    display: none;
}

@media (min-width: 768px) {
    .table-mobile {
        display: table;
    }
    
    .cards-mobile {
        display: none;
    }
}

.cards-mobile .card {
    margin-bottom: 12px;
    border: 1px solid #e9ecef;
    border-radius: 8px;
}

.cards-mobile .card-body {
    padding: 16px;
}

.cards-mobile .card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.cards-mobile .card-text {
    font-size: 14px;
    color: #6c757d;
    margin-bottom: 4px;
}

/* Fixed Actions (Mobile) */
.fixed-actions {
    position: fixed;
    bottom: 80px; /* Acima da bottom nav */
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid #e9ecef;
    padding: 16px;
    z-index: 999;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

@media (min-width: 768px) {
    .fixed-actions {
        position: static;
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
    }
}

/* Form Mobile-First */
.form-mobile .form-control {
    font-size: 16px; /* Evita zoom no iOS */
    padding: 12px 16px;
    border-radius: 8px;
    border: 2px solid #e9ecef;
    transition: border-color 0.2s ease;
}

.form-mobile .form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-mobile .form-label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #495057;
}

/* Input Types Mobile */
input[type="tel"],
input[type="number"] {
    inputmode: numeric;
}

input[type="email"] {
    inputmode: email;
}

input[type="url"] {
    inputmode: url;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 16px;
    border-radius: 4px;
    margin-bottom: 8px;
}

.skeleton-title {
    height: 24px;
    border-radius: 4px;
    margin-bottom: 16px;
}

.skeleton-card {
    height: 120px;
    border-radius: 8px;
    margin-bottom: 16px;
}

/* Offcanvas Mobile */
.offcanvas-mobile {
    width: 100% !important;
}

@media (min-width: 768px) {
    .offcanvas-mobile {
        width: 400px !important;
    }
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* Touch Targets */
.btn-mobile {
    min-height: 44px;
    min-width: 44px;
    padding: 12px 20px;
    font-size: 16px;
}

.btn-mobile.btn-sm {
    min-height: 36px;
    padding: 8px 16px;
    font-size: 14px;
}

/* Spacing Mobile */
.mb-mobile {
    margin-bottom: 16px;
}

.mt-mobile {
    margin-top: 16px;
}

.p-mobile {
    padding: 16px;
}

/* Responsive Typography */
.fs-mobile-1 { font-size: 1.5rem; }
.fs-mobile-2 { font-size: 1.25rem; }
.fs-mobile-3 { font-size: 1.125rem; }
.fs-mobile-4 { font-size: 1rem; }
.fs-mobile-5 { font-size: 0.875rem; }
.fs-mobile-6 { font-size: 0.75rem; }

@media (min-width: 768px) {
    .fs-mobile-1 { font-size: 2rem; }
    .fs-mobile-2 { font-size: 1.75rem; }
    .fs-mobile-3 { font-size: 1.5rem; }
    .fs-mobile-4 { font-size: 1.25rem; }
    .fs-mobile-5 { font-size: 1rem; }
    .fs-mobile-6 { font-size: 0.875rem; }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .card {
        border: 2px solid #000;
    }
    
    .aula-item {
        border: 2px solid #000;
    }
}