/* Sistema Mobile-First - Colégio Nossa Senhora Aparecida */
/* Desenvolvido com foco em dispositivos móveis */

/* ===== RESET E VARIÁVEIS ===== */
:root {
    /* Cores da identidade visual */
    --primary-color: #1a3a7a;
    --primary-dark: #0f2555;
    --secondary-color: #20b2aa;
    --secondary-light: #40e0d0;
    --accent-color: #17a2b8;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #1a3a7a 0%, #20b2aa 100%);
    --gradient-secondary: linear-gradient(135deg, #20b2aa 0%, #40e0d0 100%);
    --gradient-light: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    
    /* Sombras otimizadas para mobile */
    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    
    /* Espaçamentos mobile-first */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* Tipografia mobile-first */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Tamanhos touch-friendly */
    --touch-target-min: 44px;
    --input-height: 48px;
    --button-height: 48px;
    
    /* Transições */
    --transition-fast: 0.15s ease-out;
    --transition-base: 0.2s ease-out;
    --transition-slow: 0.3s ease-out;
    
    /* Border radius */
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-full: 9999px;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-100);
    font-size: var(--font-size-base);
    overflow-x: hidden;
}

/* ===== COMPONENTES BASE ===== */

/* Container responsivo */
.container {
    width: 100%;
    max-width: 100%;
    padding: 0 var(--spacing-md);
    margin: 0 auto;
}

/* Containers por breakpoint */
@media (min-width: 576px) {
    .container { max-width: 540px; }
}

@media (min-width: 768px) {
    .container { max-width: 720px; }
}

@media (min-width: 992px) {
    .container { max-width: 960px; }
}

@media (min-width: 1200px) {
    .container { max-width: 1140px; }
}

/* ===== HEADER MOBILE-FIRST ===== */
.mobile-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
}

.mobile-header .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    color: var(--primary-color);
    font-size: var(--font-size-lg);
}

.mobile-header .logo img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.mobile-header .menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
}

.mobile-header .menu-toggle:hover {
    background: var(--gray-100);
}

/* ===== NAVEGAÇÃO MOBILE ===== */
.mobile-nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    transition: transform var(--transition-base);
    z-index: 999;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
}

.mobile-nav.active {
    transform: translateY(0);
}

.mobile-nav .nav-item {
    border-bottom: 1px solid var(--gray-200);
}

.mobile-nav .nav-link {
    display: block;
    padding: var(--spacing-lg) var(--spacing-md);
    color: var(--gray-800);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.mobile-nav .nav-link:hover {
    background: var(--gray-100);
    color: var(--primary-color);
}

/* ===== BOTÕES MOBILE-FIRST ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: var(--button-height);
    padding: 0 var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    -webkit-user-select: none;
    user-select: none;
    touch-action: manipulation;
}

.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

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

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

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

.btn-light {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-light:hover {
    background: var(--gray-300);
}

/* Tamanhos de botões */
.btn-sm {
    min-height: 36px;
    padding: 0 var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-lg {
    min-height: 56px;
    padding: 0 var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-xl {
    min-height: 64px;
    padding: 0 var(--spacing-xxl);
    font-size: var(--font-size-xl);
}

/* Botão full width */
.btn-block {
    width: 100%;
}

/* ===== INPUTS MOBILE-FIRST ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--gray-800);
    font-size: var(--font-size-sm);
}

.form-control {
    width: 100%;
    min-height: var(--input-height);
    padding: 0 var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--gray-800);
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-md);
    transition: var(--transition-base);
    -webkit-appearance: none;
    appearance: none;
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(26, 58, 122, 0.1);
}

.form-control:valid {
    border-color: var(--success-color);
}

.form-control:invalid {
    border-color: var(--danger-color);
}

.form-control::placeholder {
    color: var(--gray-500);
}

/* Textarea */
.form-control.textarea {
    min-height: 120px;
    padding: var(--spacing-md);
    resize: vertical;
}

/* Select */
.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m1 6 7 7 7-7'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px 16px;
    padding-right: 40px;
}

/* ===== CARDS MOBILE-FIRST ===== */
.card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.card-header {
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

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

.card-footer {
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.card-title {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
}

.card-subtitle {
    margin-bottom: var(--spacing-md);
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.card-text {
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
}

/* ===== FORMULÁRIO MULTI-STEP MOBILE ===== */
.form-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    padding: 0 var(--spacing-sm);
}

.form-step {
    flex: 1;
    text-align: center;
    position: relative;
}

.form-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 60%;
    right: -40%;
    height: 2px;
    background: var(--gray-300);
    z-index: 1;
}

.form-step.active:not(:last-child)::after {
    /* background: var(--primary-color); */
    background: transparent !important;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-300);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
    margin: 0 auto var(--spacing-sm);
    position: relative;
    z-index: 2;
    transition: var(--transition-base);
}

.form-step.active .step-number {
    background: var(--primary-color);
}

.form-step.completed .step-number {
    background: var(--success-color);
}

.step-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--gray-600);
    margin: 0;
}

.form-step.active .step-title {
    color: var(--primary-color);
}

/* ===== ÁREA DE UPLOAD MOBILE ===== */
.upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    background: var(--white);
    transition: var(--transition-base);
    cursor: pointer;
    position: relative;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(26, 58, 122, 0.02);
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(26, 58, 122, 0.05);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.upload-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-sm);
}

.upload-subtitle {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.upload-formats {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.format-badge {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* ===== GRID RESPONSIVO ===== */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }

/* ===== SPACING UTILITIES ===== */
.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); }
.mb-5 { margin-bottom: var(--spacing-xl); }
.mb-6 { margin-bottom: var(--spacing-xxl); }

.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); }
.mt-5 { margin-top: var(--spacing-xl); }
.mt-6 { margin-top: var(--spacing-xxl); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }
.p-6 { padding: var(--spacing-xxl); }

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

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }
.text-muted { color: var(--gray-600); }

.bg-primary { background: var(--primary-color); }
.bg-secondary { background: var(--secondary-color); }
.bg-success { background: var(--success-color); }
.bg-danger { background: var(--danger-color); }
.bg-warning { background: var(--warning-color); }
.bg-light { background: var(--gray-100); }
.bg-white { background: var(--white); }

.rounded { border-radius: var(--border-radius-md); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-full { border-radius: var(--border-radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }
.gap-5 { gap: var(--spacing-xl); }

.w-full { width: 100%; }
.h-full { height: 100%; }

/* ===== ANIMAÇÕES ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.animate-fadeIn { animation: fadeIn 0.3s ease-out; }
.animate-slideIn { animation: slideIn 0.3s ease-out; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }

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

/* Tablets */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
    
    .mobile-header {
        height: 70px;
        padding: 0 var(--spacing-xl);
    }
    
    .mobile-nav {
        top: 70px;
    }
    
    .grid-md-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-md-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-md-4 { grid-template-columns: repeat(4, 1fr); }
    
    .btn-lg {
        min-height: 48px;
        font-size: var(--font-size-base);
    }
    
    .form-control {
        min-height: 44px;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .mobile-header .menu-toggle {
        display: none;
    }
    
    .mobile-nav {
        position: static;
        transform: translateY(0);
        box-shadow: none;
        background: transparent;
        display: flex;
        align-items: center;
        gap: var(--spacing-lg);
    }
    
    .mobile-nav .nav-item {
        border-bottom: none;
    }
    
    .mobile-nav .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: var(--border-radius-sm);
    }
    
    .grid-lg-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-lg-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-lg-4 { grid-template-columns: repeat(4, 1fr); }
    .grid-lg-5 { grid-template-columns: repeat(5, 1fr); }
    .grid-lg-6 { grid-template-columns: repeat(6, 1fr); }
}

/* ===== ACESSIBILIDADE ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        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-control:focus-visible,
.nav-link:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== DARK MODE (opcional) ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --white: #1a1a1a;
        --gray-100: #2d2d2d;
        --gray-200: #3d3d3d;
        --gray-300: #4d4d4d;
        --gray-800: #e0e0e0;
        --gray-900: #f0f0f0;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .mobile-header,
    .mobile-nav,
    .btn,
    .form-control {
        display: none;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
}