@import url('https://rsms.me/inter/inter.css');

:root {
    --sidebar-width: 260px;
    --topbar-height: 64px;
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --sidebar-bg: #0f172a;
    --sidebar-bg-hover: #1e293b;
    --sidebar-text: #cbd5e1;
    --sidebar-text-active: #ffffff;
    --sidebar-text-muted: #64748b;
    --content-bg: #f8fafc;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --border-hover: #cbd5e1;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.06), 0 1px 2px -1px rgb(0 0 0 / 0.04);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-feature-settings: 'cv11', 'ss01', 'ss03';
    background: var(--content-bg);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

h1:focus, h2:focus, h3:focus, h4:focus, h5:focus, h6:focus {
    outline: none;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

code, .font-monospace {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-feature-settings: normal;
}

/* ============ LAYOUT ============ */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-shell-public {
    flex-direction: column;
    background: var(--content-bg);
}

.sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    z-index: 100;
}

.sidebar-brand {
    padding: 0 24px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    margin-bottom: 16px;
}

.sidebar-brand .logo {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.15rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-brand .logo i { color: var(--primary); }

.sidebar-section {
    padding: 0 12px;
    flex: 1;
}

.sidebar-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sidebar-text-muted);
    padding: 16px 12px 8px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 12px;
    color: var(--sidebar-text);
    border-radius: 6px;
    margin: 2px 0;
    font-size: 0.92rem;
    text-decoration: none;
    transition: all 0.15s ease;
}

.sidebar-link:hover {
    background: var(--sidebar-bg-hover);
    color: var(--sidebar-text-active);
}

.sidebar-link.active {
    background: var(--primary);
    color: #fff;
}

.sidebar-link i {
    font-size: 1.05rem;
    width: 18px;
    text-align: center;
}

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid rgba(255,255,255,0.06);
    font-size: 0.78rem;
    color: var(--sidebar-text-muted);
}

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

.topbar {
    height: var(--topbar-height);
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 32px;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.content-area {
    flex: 1;
    padding: 32px;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

/* Public navbar (no auth) */
.public-navbar {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    padding: 0 32px;
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.public-navbar .brand {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.public-navbar .brand i { color: var(--primary); }

/* ============ COMPONENTS ============ */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-body { padding: 20px; }
.card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    background: #fafbfc;
    font-weight: 600;
    font-size: 0.92rem;
}

.btn {
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid transparent;
    font-size: 0.9rem;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }

.btn-outline-primary { color: var(--primary); border-color: var(--primary); background: #fff; }
.btn-outline-primary:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

.btn-outline-secondary { color: var(--text-primary); border-color: var(--border-hover); background: #fff; }
.btn-outline-secondary:hover { background: var(--text-primary); border-color: var(--text-primary); color: #fff; }

.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-success:hover { background: #059669; border-color: #059669; color: #fff; }

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

.btn-outline-warning { color: var(--warning); border-color: var(--warning); background: #fff; }
.btn-outline-warning:hover { background: var(--warning); color: #fff; border-color: var(--warning); }

.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; border-color: #dc2626; color: #fff; }

.btn-outline-danger { color: var(--danger); border-color: var(--danger); background: #fff; }
.btn-outline-danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }

.btn-sm { padding: 5px 10px; font-size: 0.8rem; }
.btn-lg { padding: 12px 24px; font-size: 1rem; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.form-control, .form-select {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 9px 12px;
    font-size: 0.92rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    background: #fff;
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgb(79 70 229 / 0.12);
    outline: none;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

/* Tables */
.table {
    margin: 0;
    font-size: 0.9rem;
}
.table > :not(caption) > * > * {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
}
.table > thead > tr > th {
    background: #fafbfc;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border);
}
.table > tbody > tr { transition: background 0.1s ease; }
.table > tbody > tr:hover { background: #fafbfc; }
.table > tbody > tr:last-child > td { border-bottom: none; }

/* Badges */
.badge {
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    letter-spacing: 0;
}
.bg-success { background: #d1fae5 !important; color: #065f46 !important; }
.bg-danger { background: #fee2e2 !important; color: #991b1b !important; }
.bg-warning { background: #fef3c7 !important; color: #92400e !important; }
.bg-secondary { background: #e2e8f0 !important; color: #475569 !important; }
.bg-primary { background: var(--primary-light) !important; color: var(--primary) !important; }
.bg-light { background: #f1f5f9 !important; color: var(--text-muted) !important; }

/* Alerts */
.alert {
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 14px 18px;
    font-size: 0.92rem;
}
.alert-success { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.alert-danger { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.alert-warning { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.alert-info { background: #eff6ff; border-color: #bfdbfe; color: #1e40af; }

/* Stat cards */
.stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: all 0.2s ease;
}
.stat-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow); }
.stat-card .stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 6px;
}
.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}
.stat-card .stat-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}
.stat-card.stat-primary { border-left: 3px solid var(--primary); }

/* Key badge */
.key-badge {
    font-family: 'JetBrains Mono', monospace;
    background: var(--primary-light);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 5px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid #e0e7ff;
    white-space: nowrap;
    display: inline-block;
}

.token-mask {
    font-family: 'JetBrains Mono', monospace;
    background: #f1f5f9;
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    word-break: break-all;
    border: 1px solid var(--border);
}

/* Auth pages */
.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
}
.auth-card {
    max-width: 440px;
    width: 100%;
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 36px;
    border: 1px solid var(--border);
}
.auth-card h3 {
    font-size: 1.5rem;
    margin-bottom: 4px;
}
.auth-card .auth-sub {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 24px;
}

/* Dropdowns */
.dropdown-menu {
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    padding: 6px;
    font-size: 0.9rem;
}
.dropdown-item {
    border-radius: 5px;
    padding: 7px 12px;
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    color: var(--text-primary);
}
.dropdown-item:hover { background: var(--primary-light); color: var(--primary); }
.dropdown-item.active { background: var(--primary-light); color: var(--primary); }

/* Page header */
.page-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
}
.page-header h1, .page-header h2 {
    margin: 0 0 4px 0;
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}
.page-header .page-sub {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Top bar items */
.topbar-action {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
}
.topbar-action:hover { background: var(--content-bg); color: var(--text-primary); }

/* Avatar */
.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

/* Pricing card highlights */
.plan-card { transition: all 0.2s ease; }
.plan-card.current { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.plan-card:hover { border-color: var(--border-hover); }

/* Spinner */
.spinner-border {
    width: 1.25rem;
    height: 1.25rem;
    border-width: 2px;
    color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .main-area { margin-left: 0; }
    .content-area { padding: 20px; }
}

/* Misc */
hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
small, .small { font-size: 0.85rem; }
.text-muted { color: var(--text-muted) !important; }