/* ============================================
   ALPS - Painel Administrativo
   Tema Dark Mode
   ============================================ */

:root {
    /* Cores principais */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    
    /* Cores de destaque */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    
    /* Cores de texto */
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Cores de status */
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --info: #06b6d4;
    --info-bg: rgba(6, 182, 212, 0.1);
    
    /* Bordas */
    --border-color: #334155;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
    
    /* Transições */
    --transition: all 0.3s ease;
    
    /* Layout */
    --sidebar-width: 260px;
    --header-height: 70px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   Layout
   ============================================ */

.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ============================================
   Sidebar
   ============================================ */

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition);
    border-right: 1px solid var(--border-color);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.sidebar-logo i {
    font-size: 1.8rem;
    color: var(--primary);
}

.sidebar-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.sidebar-logo span {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
}

.sidebar-nav {
    padding: 15px 0;
}

.nav-section {
    margin-bottom: 10px;
}

.nav-section-title {
    padding: 10px 20px 5px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    gap: 12px;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(37, 99, 235, 0.1);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(37, 99, 235, 0.15);
    color: var(--primary-light);
    border-left-color: var(--primary);
}

.nav-item i {
    width: 20px;
    text-align: center;
}

.nav-item span {
    font-size: 0.95rem;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    position: absolute;
    bottom: 0;
    width: 100%;
}

/* ============================================
   Main Content
   ============================================ */

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* ============================================
   Header
   ============================================ */

.top-header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

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

.page-title {
    font-size: 1.3rem;
    font-weight: 600;
}

.search-box {
    position: relative;
}

.search-box input {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 10px 15px 10px 40px;
    color: var(--text-primary);
    width: 300px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-icon {
    position: relative;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.header-icon:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger);
    color: white;
    font-size: 0.65rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.user-menu:hover {
    background: var(--bg-primary);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

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

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

/* ============================================
   Content Area
   ============================================ */

.content {
    padding: 30px;
}

/* ============================================
   Cards
   ============================================ */

.card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 25px;
}

.card-footer {
    padding: 15px 25px;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* ============================================
   Stats Cards
   ============================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

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

.stat-icon.blue {
    background: rgba(37, 99, 235, 0.15);
    color: var(--primary-light);
}

.stat-icon.green {
    background: var(--success-bg);
    color: var(--success);
}

.stat-icon.orange {
    background: var(--warning-bg);
    color: var(--warning);
}

.stat-icon.red {
    background: var(--danger-bg);
    color: var(--danger);
}

.stat-icon.cyan {
    background: var(--info-bg);
    color: var(--info);
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-change {
    font-size: 0.8rem;
    margin-top: 5px;
}

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

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

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

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

.btn-success:hover {
    background: #16a34a;
}

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

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

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

.btn-warning:hover {
    background: #d97706;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
}

.btn-icon.sm {
    width: 30px;
    height: 30px;
    font-size: 0.8rem;
}

/* ============================================
   Forms
   ============================================ */

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
}

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

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

.form-control:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

select.form-control {
    cursor: pointer;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.form-error {
    color: var(--danger);
    font-size: 0.8rem;
    margin-top: 5px;
}

.form-help {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 5px;
}

/* ============================================
   Tables
   ============================================ */

.table-container {
    overflow-x: auto;
}

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

.table th,
.table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--bg-primary);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: rgba(37, 99, 235, 0.05);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   Badges
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

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

.badge-info {
    background: var(--info-bg);
    color: var(--info);
}

.badge-secondary {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-secondary);
}

/* ============================================
   Alerts
   ============================================ */

.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    border: 1px solid transparent;
}

.alert-success {
    background: var(--success-bg);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--success);
}

.alert-warning {
    background: var(--warning-bg);
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--warning);
}

.alert-danger {
    background: var(--danger-bg);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.alert-info {
    background: var(--info-bg);
    border-color: rgba(6, 182, 212, 0.3);
    color: var(--info);
}

/* ============================================
   Grid Layouts
   ============================================ */

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* ============================================
   Utility Classes
   ============================================ */

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }

.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }

.ml-1 { margin-left: 10px; }
.ml-2 { margin-left: 20px; }
.mr-1 { margin-right: 10px; }
.mr-2 { margin-right: 20px; }

.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.p-3 { padding: 30px; }
.p-4 { padding: 40px; }

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

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

.flex { display: flex; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { align-items: center; justify-content: space-between; }
.flex-start { align-items: center; justify-content: flex-start; }
.flex-end { align-items: center; justify-content: flex-end; }
.gap-1 { gap: 10px; }
.gap-2 { gap: 20px; }

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

/* ============================================
   Pagination
   ============================================ */

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.pagination a.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.pagination .disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   Modal
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 600;
}

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

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

.modal-body {
    padding: 25px;
}

.modal-footer {
    padding: 15px 25px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1200px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .search-box {
        display: none;
    }
    
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .top-header {
        padding: 0 15px;
    }
    
    .content {
        padding: 15px;
    }
    
    .card-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .table th,
    .table td {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
    
    .user-info {
        display: none;
    }
    
    .modal {
        width: 95%;
        margin: 15px;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
    
    .page-title {
        font-size: 1.1rem;
    }
    
    .stat-card {
        padding: 15px;
    }
    
    .stat-value {
        font-size: 1.4rem;
    }
    
    .stat-icon {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
}

/* ============================================
   Animations
   ============================================ */

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

.fade-in {
    animation: fadeIn 0.3s ease forwards;
}

.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }
.fade-in-delay-4 { animation-delay: 0.4s; }

/* ============================================
   Loading Spinner
   ============================================ */

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* ============================================
   Empty State
   ============================================ */

.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: 20px;
}