/* ==========================================================================
   Painel de Administração - Voar de Parapente
   Design System & Styling (Dark Glassmorphism UI)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-main: #0b0f19;
    --bg-card: rgba(17, 24, 39, 0.75);
    --bg-card-solid: #111827;
    --bg-card-hover: rgba(31, 41, 55, 0.85);
    --border-color: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.05);

    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --accent-green: #38ef7d;
    --accent-teal: #11998e;
    --accent-blue: #3b82f6;
    --accent-indigo: #6366f1;
    --accent-yellow: #f59e0b;
    --accent-red: #ef4444;
    --accent-purple: #8b5cf6;

    --gradient-primary: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);

    --shadow-lg: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(56, 239, 125, 0.15);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    --transition: all 0.25s ease;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-main);
    background-image: 
        radial-gradient(at 10% 10%, rgba(17, 153, 142, 0.12) 0px, transparent 50%),
        radial-gradient(at 90% 90%, rgba(56, 239, 125, 0.08) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

/* Base Layout & Sidebar Container */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: 260px;
    background: var(--bg-card-solid);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
    text-decoration: none;
    color: var(--text-primary);
}

.sidebar-brand img {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid var(--accent-green);
    object-fit: cover;
}

.sidebar-brand span {
    font-weight: 700;
    font-size: 1.1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: rgba(56, 239, 125, 0.1);
    color: var(--accent-green);
    border-left: 3px solid var(--accent-green);
}

.sidebar-user {
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

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

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

.btn-logout {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
    border: none;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition);
}

.btn-logout:hover {
    background: var(--accent-red);
    color: #fff;
}

/* Main Content Area */
.admin-main {
    margin-left: 260px;
    flex: 1;
    padding: 32px 40px;
    max-width: 1400px;
}

/* Top Header Bar */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.page-title {
    font-size: 1.8rem;
    font-weight: 700;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Grid Metrics Cards */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.metric-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-3px);
    border-color: rgba(56, 239, 125, 0.3);
}

.metric-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.icon-blue { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.icon-yellow { background: rgba(245, 158, 11, 0.15); color: var(--accent-yellow); }
.icon-green { background: rgba(56, 239, 125, 0.15); color: var(--accent-green); }
.icon-purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }

.metric-data h3 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-data .number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 4px;
}

/* Controls & Filter Section */
.content-section {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 260px;
}

.search-box input {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    padding: 10px 16px 10px 40px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(56, 239, 125, 0.1);
}

.search-box svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    fill: var(--text-muted);
}

.filter-options {
    display: flex;
    gap: 12px;
    align-items: center;
}

.select-custom {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    outline: none;
    font-size: 0.9rem;
    cursor: pointer;
}

.select-custom option {
    background: var(--bg-card-solid);
    color: var(--text-primary);
}

/* Data Table */
.table-responsive {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.admin-table th {
    background: rgba(255, 255, 255, 0.03);
    padding: 14px 16px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.admin-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.9rem;
    vertical-align: middle;
}

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

.admin-table tbody tr:hover {
    background: var(--bg-card-hover);
}

.customer-cell {
    display: flex;
    flex-direction: column;
}

.customer-name {
    font-weight: 600;
    color: var(--text-primary);
}

.customer-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-yellow);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-confirmed {
    background: rgba(56, 239, 125, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(56, 239, 125, 0.3);
}

.badge-completed {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-cancelled {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Buttons & Actions */
.btn-action {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.82rem;
    transition: var(--transition);
}

.btn-action:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #000;
    font-weight: 600;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-primary:hover {
    opacity: 0.9;
    box-shadow: var(--shadow-glow);
}

.btn-danger {
    background: var(--accent-red);
    color: #fff;
    border: none;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 500;

    font-size: 0.82rem;
    transition: var(--transition);
}

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

/* Login Screen Styling */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: 3px solid var(--accent-green);
    margin-bottom: 16px;
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4px;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(56, 239, 125, 0.15);
}

.alert-message {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(56, 239, 125, 0.15);
    border: 1px solid rgba(56, 239, 125, 0.3);
    color: #86efac;
}

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal-box {
    background: var(--bg-card-solid);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    font-size: 1.2rem;
}

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

/* Responsive Utilities */
@media (max-width: 900px) {
    .admin-sidebar {
        width: 70px;
        padding: 16px 8px;
    }
    .sidebar-brand span,
    .sidebar-menu a span,
    .user-info {
        display: none;
    }
    .admin-main {
        margin-left: 70px;
        padding: 20px;
    }
}