/* ============================================
   License Manager — Dashboard Styles
   ============================================ */

:root {
    --color-bg: #0f1117;
    --color-surface: #1a1d27;
    --color-surface-hover: #22263a;
    --color-border: #2a2e3f;
    --color-text: #e4e6f0;
    --color-text-muted: #8b8fa3;
    --color-primary: #6366f1;
    --color-primary-hover: #818cf8;
    --color-success: #22c55e;
    --color-success-bg: rgba(34, 197, 94, 0.12);
    --color-danger: #ef4444;
    --color-danger-bg: rgba(239, 68, 68, 0.12);
    --color-warning: #f59e0b;
    --color-warning-bg: rgba(245, 158, 11, 0.12);
    --color-info: #3b82f6;
    --color-info-bg: rgba(59, 130, 246, 0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

/* ---- Navbar ---- */

.navbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.navbar-logo {
    font-size: 1.5rem;
}

.navbar-title {
    font-weight: 700;
    font-size: 1.1rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
    background: var(--color-surface-hover);
}

.nav-separator {
    width: 1px;
    height: 24px;
    background: var(--color-border);
    margin: 0 0.5rem;
}

.nav-user {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.nav-logout {
    color: var(--color-danger) !important;
}

/* ---- Main Content ---- */

.main-content {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

/* ---- Alerts ---- */

.alert {
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-success { background: var(--color-success-bg); border: 1px solid rgba(34, 197, 94, 0.3); color: var(--color-success); }
.alert-error { background: var(--color-danger-bg); border: 1px solid rgba(239, 68, 68, 0.3); color: var(--color-danger); }
.alert-warning { background: var(--color-warning-bg); border: 1px solid rgba(245, 158, 11, 0.3); color: var(--color-warning); }
.alert-info { background: var(--color-info-bg); border: 1px solid rgba(59, 130, 246, 0.3); color: var(--color-info); }

.alert-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition);
}

.alert-close:hover { opacity: 1; }

/* ---- Stats Grid ---- */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-active .stat-number { color: var(--color-success); }
.stat-expired .stat-number { color: var(--color-danger); }
.stat-revoked .stat-number { color: var(--color-text-muted); }
.stat-warning .stat-number { color: var(--color-warning); }
.stat-total .stat-number { color: var(--color-primary); }

/* ---- Table ---- */

.table-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.table-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

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

.data-table th {
    text-align: left;
    padding: 0.875rem 1.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-border);
}

.data-table td {
    padding: 0.875rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}

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

.data-table tbody tr:hover {
    background: var(--color-surface-hover);
}

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

.license-key {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-weight: 600;
    color: var(--color-primary-hover);
    letter-spacing: 0.03em;
}

/* ---- Badges ---- */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-active { background: var(--color-success-bg); color: var(--color-success); }
.badge-expired { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-revoked { background: rgba(139, 143, 163, 0.12); color: var(--color-text-muted); }
.badge-lg { font-size: 1rem; padding: 0.5rem 1.25rem; }

/* ---- Buttons ---- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

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

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

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

.btn-success:hover {
    filter: brightness(1.1);
}

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

.btn-danger:hover {
    filter: brightness(1.1);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-text-muted);
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.8rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ---- Forms ---- */

.form-page,
.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.form-card,
.login-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    width: 100%;
    max-width: 600px;
}

.login-container {
    justify-content: center;
    min-height: calc(100vh - 120px);
}

.login-card {
    max-width: 420px;
}

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

.login-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.5;
}

.form-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.375rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* ---- Detail Page ---- */

.detail-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.detail-header .page-title {
    margin-bottom: 0;
}

.detail-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 2rem;
}

.detail-key-display {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.detail-key-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.detail-key-value {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary-hover);
    letter-spacing: 0.1em;
}

.detail-status {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.days-remaining {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.detail-value {
    font-size: 0.95rem;
}

.detail-uuid {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    word-break: break-all;
}

.detail-notes {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.detail-notes p {
    color: var(--color-text-muted);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

/* ---- Actions ---- */

.detail-actions {
    margin-bottom: 2rem;
}

.detail-actions h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.action-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.action-card h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.action-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

/* ---- Empty State ---- */

.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--color-text-muted);
}

.empty-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.empty-state p {
    margin-bottom: 1.5rem;
}

/* ---- Footer ---- */

.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--color-border);
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .navbar {
        padding: 0 1rem;
        flex-direction: column;
        height: auto;
        padding: 1rem;
        gap: 0.75rem;
    }

    .navbar-menu {
        flex-wrap: wrap;
        justify-content: center;
    }

    .main-content {
        padding: 1rem;
    }

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

    .data-table {
        font-size: 0.8rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.625rem 0.875rem;
    }

    .detail-key-value {
        font-size: 1.25rem;
    }
}