/* 
 * 🎨 Estilo Principal - Construmega System
 * Sistema PHP Version
 */

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

:root {
    --primary-color: #6c7ae0;
    --primary-dark: #5a68ce;
    --secondary-color: #8b96e0;
    --secondary-dark: #7c8cdc;
    --text-dark: #2c3e50;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #ff6b9d;
    --light-bg: #f8f9fa;
    --dark-bg: #2c3e50;
    --text-color: #2c3e50;
    --text-muted: #7f8c8d;
    --border-color: #e9ecef;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --gradient-primary: linear-gradient(135deg, #6c7ae0 0%, #8b96e0 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-color);
    line-height: 1.6;
}

/* Header */
.header {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav a:hover {
    opacity: 0.8;
}

/* Botões */
.btn {
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
}

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

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

.btn-primary:hover {
    background: var(--secondary-dark);
}

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

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

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

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

/* Card */
.card {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    margin: 1rem 0;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-primary-color);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    color: var(--text-dark

.card-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Form */
.form-container {
    max-width: 500px;
    margin: 2rem auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Mensagens */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 5px;
    margin: 1rem 0;
    font-weight: 500;
}

.alert-success {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(39, 174, 96, 0.3);
}

.alert-error {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.alert-warning {
    background: rgba(243, 156, 18, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(243, 156, 18, 0.3);
}

/* Tabelas */
.table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    background: white;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
}

.table tr:hover {
    background: rgba(102, 126, 234, 0.05);
}

/* Grid */
.grid {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Dashboard Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-dark);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   RESPONSIVO — Construmega
   Breakpoints: 1024px (tablet), 768px (mobile), 480px (small), 360px (xs)
   ============================================ */

/* ---- Utilitários touch-friendly ---- */
a, button, [role="button"] {
    -webkit-tap-highlight-color: transparent;
}

/* ---- Tablet (≤1024px) ---- */
@media (max-width: 1024px) {
    .container {
        padding: 0 16px;
    }

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

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

/* ---- Mobile (≤768px) ---- */
@media (max-width: 768px) {
    /* Layout base */
    html { font-size: 15px; }

    body { overflow-x: hidden; }

    .container {
        padding: 0 12px;
        width: 100%;
        max-width: 100%;
    }

    /* Cabeçalho/header */
    .header-content {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }

    .logo { font-size: 1.4rem; }

    .nav {
        flex-direction: column;
        gap: 0.5rem;
        align-items: center;
    }

    /* Cards */
    .card {
        padding: 1rem;
        margin: 0.75rem 0;
        border-radius: 8px;
    }

    .card-body { padding: 1rem; }

    /* Grids */
    .grid         { gap: 0.75rem; margin: 1rem 0; }
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    /* Stats */
    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        margin: 1rem 0;
    }

    .stat-number { font-size: 1.75rem; }

    /* Tabelas — scroll horizontal */
    .table-responsive,
    table { overflow-x: auto; -webkit-overflow-scrolling: touch; display: block; width: 100%; }

    .table th,
    .table td {
        padding: 8px 10px;
        font-size: 0.85rem;
        white-space: nowrap;
    }

    /* Botões */
    .btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }

    .btn-lg {
        padding: 12px 22px;
        font-size: 1rem;
    }

    /* Formulários */
    .form-container {
        max-width: 100%;
        margin: 1rem 0;
        padding: 0;
    }

    .form-group { margin-bottom: 1rem; }

    .form-input,
    select.form-input,
    textarea.form-input {
        padding: 10px 12px;
        font-size: 1rem; /* evita zoom automático iOS */
    }

    /* Alertas */
    .alert {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    /* Títulos */
    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.35rem; }
    h3 { font-size: 1.1rem; }

    /* Modais: garantir que não ultrapassem a tela */
    [style*="position: fixed"],
    [style*="position:fixed"] {
        max-width: 100vw !important;
    }

    /* Imagens */
    img { max-width: 100%; height: auto; }
}

/* ---- Small mobile (≤480px) ---- */
@media (max-width: 480px) {
    html { font-size: 14px; }

    .container { padding: 0 10px; }

    .stats {
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }

    .stat-card { padding: 1rem; }
    .stat-number { font-size: 1.5rem; }

    .btn {
        padding: 9px 14px;
        font-size: 0.85rem;
    }

    .card { padding: 0.875rem; }

    h1 { font-size: 1.4rem; }
    h2 { font-size: 1.2rem; }
}

/* ---- Extra small (≤360px) ---- */
@media (max-width: 360px) {
    html { font-size: 13px; }

    .stats {
        grid-template-columns: 1fr;
    }

    .btn { width: 100%; text-align: center; }
}

/* ---- Acessibilidade: focus visível em touch ---- */
@media (hover: none) {
    .btn:hover  { transform: none; box-shadow: none; }
    a:hover     { opacity: 1; }
}

/* Utilities */
.d-none {
    display: none !important;
}

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

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

.mb-0 {
    margin-bottom: 0 !important;
}

.mb-1 {
    margin-bottom: 1rem !important;
}

.mb-2 {
    margin-bottom: 2rem !important;
}

.mt-0 {
    margin-top: 0 !important;
}

.mt-1 {
    margin-top: 1rem !important;
}

.mt-2 {
    margin-top: 2rem !important;
}

.p-0 {
    padding: 0 !important;
}

.p-1 {
    padding: 1rem !important;
}

.p-2 {
    padding: 2rem !important;
}

/* Estilos adicionais para consistência */
.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.alert-info {
    background: rgba(52, 152, 219, 0.1);
    color: var(--secondary-color);
    border: 1px solid rgba(52, 152, 219, 0.3);
}

.alert-primary {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.alert-danger {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(231, 76, 60, 0.3);
}

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

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

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

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

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

/* Cards com gradiente */
.card-gradient {
    background: var(--gradient-primary);
    color: white;
}

.card-gradient .card-title {
    color: white;
}

/* Tabela responsiva */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Margin bottom para cards */
.mb-3 {
    margin-bottom: 1.5rem !important;
}

.card-body {
    padding: 1.5rem;
}