/* Claude API Gateway - Modern Dark Dashboard Theme */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --bg-main: #090d16;
    --bg-card: #111827;
    --bg-card-hover: #172033;
    --bg-input: #1f293d;
    --border-color: #243048;
    --border-subtle: #1e283d;
    
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-glow: rgba(79, 70, 229, 0.25);
    
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    --sidebar-width: 260px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
}

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* App Shell */
.app-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: #0d121f;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 50;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 12px 24px 12px;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 24px;
}

.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #6366f1, #06b6d4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 1.1rem;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.brand-name {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
}

.brand-badge {
    font-size: 0.65rem;
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
    padding: 2px 6px;
    border-radius: 6px;
    border: 1px solid rgba(99, 102, 241, 0.3);
    font-weight: 600;
    text-transform: uppercase;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.92rem;
    transition: all 0.15s ease;
}

.nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: #fff;
    background: var(--primary);
    box-shadow: 0 4px 16px var(--primary-glow);
}

.nav-link svg {
    width: 20px;
    height: 20px;
    opacity: 0.8;
}

.nav-link.active svg {
    opacity: 1;
}

.sidebar-footer {
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Main Content */
.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.top-bar {
    height: 70px;
    background: rgba(13, 18, 31, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 40;
}

.page-title-box h1 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.02em;
}

.page-title-box p {
    font-size: 0.82rem;
    color: var(--text-dim);
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.content-body {
    padding: 32px;
    flex: 1;
    max-width: 1440px;
    width: 100%;
}

/* Stat Cards (KPIs) */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: #3b4d6b;
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stat-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stat-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
}

.stat-value {
    font-size: 1.85rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
}

.stat-subtext {
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* Sections & Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 28px;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h2 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
}

.card-body {
    padding: 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.15s ease;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px var(--primary-glow);
}

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

.btn-secondary {
    background: #1f293d;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: #27344e;
    color: #fff;
}

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

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: #ef4444;
    color: #fff;
}

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

.btn-icon {
    padding: 8px;
    border-radius: var(--radius-sm);
}

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

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

th {
    padding: 14px 20px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.15);
}

td {
    padding: 16px 20px;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-muted);
    vertical-align: middle;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.code-font {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.84rem;
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-active {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-expired {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-suspended {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: inherit;
    font-size: 0.92rem;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-text {
    font-size: 0.78rem;
    color: var(--text-dim);
    margin-top: 6px;
}

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: #131b2e;
    border: 1px solid #2d3b55;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 540px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    animation: modalIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 1.3rem;
}

.modal-close:hover {
    color: #fff;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Quota & Progress Bars */
.quota-box {
    background: #151d30;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 24px;
}

.quota-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.progress-bar-bg {
    width: 100%;
    height: 10px;
    background: #243048;
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #06b6d4);
    border-radius: 999px;
    transition: width 0.4s ease;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: #1e293b;
    color: #fff;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastIn 0.2s ease;
}

.toast-success { border-color: var(--success); }
.toast-error { border-color: var(--danger); }

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

/* Responsive */
@media (max-width: 900px) {
    .app-container { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: static; }
    .content-body { padding: 16px; }
}