/* =============================================
   Auth & Admin Styles — Premium Dark Theme
   ============================================= */

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.8);
    --bg-card-hover: rgba(30, 41, 59, 0.8);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(255, 255, 255, 0.15);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --success: #10b981;
    --success-soft: rgba(16, 185, 129, 0.1);
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-soft: rgba(245, 158, 11, 0.1);
    --accent: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --accent-soft: rgba(99, 102, 241, 0.1);
    --radius-sm: 0.5rem;
    --radius-md: 0.875rem;
    --radius-lg: 1.25rem;
    --radius-full: 9999px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(99, 102, 241, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 80%, rgba(16, 185, 129, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

/* --- Login Page --- */
.login-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.login-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    margin: 0 auto 1rem;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-header h1 {
    font-size: 1.35rem;
    font-weight: 700;
    background: linear-gradient(135deg, #e2e8f0, #f8fafc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* --- Forms --- */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition-normal);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: rgba(255, 255, 255, 0.08);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group select option {
    background: #1e293b;
    color: var(--text-primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group .help-text {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #818cf8);
    color: white;
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-success {
    background: var(--success-soft);
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.4);
}

.btn-danger {
    background: var(--danger-soft);
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    border-color: var(--glass-border);
}

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

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 0.45rem 0.85rem;
    font-size: 0.75rem;
}

/* --- Alerts --- */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
    border: 1px solid;
}

.alert-error {
    background: var(--danger-soft);
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.2);
}

.alert-success {
    background: var(--success-soft);
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.2);
}

.alert-warning {
    background: var(--warning-soft);
    color: var(--warning);
    border-color: rgba(245, 158, 11, 0.2);
}

/* --- Login Footer --- */
.login-footer {
    margin-top: 2rem;
    color: var(--text-muted);
    font-size: 0.72rem;
    opacity: 0.6;
}

/* --- Admin Layout --- */
.admin-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

.admin-header {
    background: rgba(10, 14, 26, 0.75);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    height: 64px;
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    text-decoration: none;
}

.admin-logo img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.admin-logo span {
    background: linear-gradient(135deg, #e2e8f0, #f8fafc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.admin-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-nav .nav-user {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-right: 0.75rem;
    padding: 0.35rem 0.85rem;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-full);
    border: 1px solid var(--glass-border);
}

/* --- Admin Content --- */
.admin-content {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    padding: 2rem;
}

.admin-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #e2e8f0, #f8fafc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.admin-subtitle {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 2rem;
}

.admin-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* --- Users Table --- */
.table-container {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.table-container th,
.table-container td {
    padding: 0.875rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.table-container th {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: rgba(255, 255, 255, 0.03);
}

.table-container td {
    font-size: 0.85rem;
    color: var(--text-primary);
}

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

.table-container tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.badge-admin {
    background: var(--accent-soft);
    color: var(--accent);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.badge-user {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.badge-active {
    background: var(--success-soft);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-inactive {
    background: var(--danger-soft);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.actions-cell {
    display: flex;
    gap: 0.5rem;
}

/* --- Form Card --- */
.form-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    max-width: 700px;
}

.form-card h2 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    color: var(--text-primary);
}

.form-card .form-description {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.form-section-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 1.5rem 0 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--glass-border);
}

/* --- Kuma URL preview --- */
.kuma-url-preview {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
    word-break: break-all;
}

/* --- Empty state --- */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .login-card {
        padding: 2rem 1.5rem;
    }

    .admin-header {
        padding: 0 1rem;
    }

    .admin-content {
        padding: 1.25rem 1rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .table-container table {
        min-width: 600px;
    }

    .admin-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
}

::selection {
    background: var(--accent);
    color: white;
}

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

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 22px;
    height: 22px;
}

.stat-icon.icon-users {
    background: var(--accent-soft);
    color: var(--accent);
}

.stat-icon.icon-active {
    background: var(--success-soft);
    color: var(--success);
}

.stat-icon.icon-inactive {
    background: var(--danger-soft);
    color: var(--danger);
}

.stat-data {
    display: flex;
    flex-direction: column;
}

.stat-count {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
}

.stat-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* --- Delete confirm --- */
.confirm-delete {
    background: var(--danger-soft);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-md);
    padding: 1.5rem 2rem;
    max-width: 500px;
    margin: 2rem 0;
}

.confirm-delete h3 {
    color: var(--danger);
    margin-bottom: 0.75rem;
}

.confirm-delete p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
}