/* Sistema Caixa Postal Digital - Estilos */
:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--gray-100);
    color: var(--gray-900);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Navbar */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary);
    margin: 0;
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-menu a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-700);
}

.btn-logout {
    background: var(--danger);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    text-decoration: none;
    font-size: 0.875rem;
    transition: background 0.2s;
}

.btn-logout:hover {
    background: #dc2626;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem 0;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.login-box {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
}

.login-box h1 {
    text-align: center;
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.login-subtitle {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: 2rem;
    font-size: 0.875rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.375rem;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    text-align: center;
}

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

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

.btn-secondary {
    background: var(--gray-600);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--gray-700);
}

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

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

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

.btn-danger:hover {
    background: #dc2626;
}

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

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

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

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 0.375rem;
    margin-bottom: 1.5rem;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

/* Dashboard Header */
.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h2 {
    font-size: 2rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.dashboard-header p {
    color: var(--gray-600);
}

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

.stat-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.2s;
}

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

.stat-icon {
    font-size: 2.5rem;
}

.stat-content h3 {
    font-size: 2rem;
    color: var(--gray-900);
    margin: 0;
}

.stat-content p {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin: 0;
}

.stat-primary { border-left: 4px solid var(--primary); }
.stat-success { border-left: 4px solid var(--success); }
.stat-warning { border-left: 4px solid var(--warning); }
.stat-danger { border-left: 4px solid var(--danger); }
.stat-info { border-left: 4px solid var(--info); }

/* Filter Bar */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    background: var(--white);
    padding: 1rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
}

.filter-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: all 0.2s;
}

.filter-tab:hover {
    background: var(--gray-100);
}

.filter-tab.active {
    background: var(--primary);
    color: var(--white);
}

.search-form {
    display: flex;
    gap: 0.5rem;
}

.search-form input {
    padding: 0.5rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.375rem;
}

/* Correspondências List */
.correspondencias-list {
    display: grid;
    gap: 1.5rem;
}

.correspondencia-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    transition: all 0.2s;
}

.correspondencia-card:hover {
    box-shadow: var(--shadow-md);
}

.correspondencia-card.urgente {
    border-left: 4px solid var(--danger);
}

.correspondencia-card.recebida {
    border-left: 4px solid var(--warning);
}

.correspondencia-card.visualizada {
    border-left: 4px solid var(--info);
}

.correspondencia-card.retirada {
    border-left: 4px solid var(--success);
    opacity: 0.8;
}

.corr-header h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.corr-date {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.corr-observacoes {
    margin: 1rem 0;
    padding: 1rem;
    background: var(--gray-100);
    border-radius: 0.375rem;
    color: var(--gray-700);
}

.corr-photos {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

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

.photo-item img {
    max-width: 200px;
    max-height: 200px;
    border-radius: 0.375rem;
    cursor: pointer;
    border: 2px solid var(--gray-200);
    transition: all 0.2s;
}

.photo-item img:hover {
    border-color: var(--primary);
    transform: scale(1.05);
}

.photo-item small {
    display: block;
    margin-top: 0.5rem;
    color: var(--gray-600);
}

.corr-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-urgente {
    background: #fee2e2;
    color: #991b1b;
}

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

.badge-visualizada {
    background: #cffafe;
    color: #164e63;
}

.badge-retirada {
    background: #d1fae5;
    color: #065f46;
}

.badge-admin {
    background: #ddd6fe;
    color: #5b21b6;
}

.badge-recepcao {
    background: #fce7f3;
    color: #9f1239;
}

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

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

/* Form Container */
.form-container {
    background: var(--white);
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.correspondencia-form,
.user-form {
    max-width: 800px;
}

/* Photo Preview */
.photo-preview {
    margin-top: 0.5rem;
}

.photo-preview img {
    max-width: 200px;
    max-height: 200px;
    border-radius: 0.375rem;
    border: 2px solid var(--gray-200);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    background: var(--white);
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
}

.empty-state p {
    font-size: 1.25rem;
    color: var(--gray-600);
}

/* Table */
.table-container {
    background: var(--white);
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    overflow-x: auto;
}

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

.data-table thead {
    background: var(--gray-100);
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.data-table tbody tr:hover {
    background: var(--gray-100);
}

/* Section Header */
.section-header {
    margin: 2rem 0 1rem;
}

.section-header h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    overflow: auto;
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90%;
    margin-top: 5%;
}

.modal .close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: var(--white);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

.modal .close:hover,
.modal .close:focus {
    color: var(--gray-300);
}

#editModal .modal-content {
    background: var(--white);
    padding: 2rem;
    border-radius: 0.5rem;
    max-width: 500px;
    margin: 5% auto;
    position: relative;
}

#editModal .close {
    color: var(--gray-700);
    font-size: 28px;
    top: 10px;
    right: 15px;
}

/* Footer */
.footer {
    background: var(--gray-800);
    color: var(--gray-300);
    padding: 1.5rem 0;
    text-align: center;
    margin-top: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-tabs {
        justify-content: center;
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .corr-photos {
        flex-direction: column;
    }
    
    .corr-actions {
        flex-direction: column;
    }
    
    .table-container {
        overflow-x: scroll;
    }
}