:root {
    --accent: #22c55e;
    --accent-hover: #16a34a;
    --accent-subtle: rgba(34, 197, 94, 0.08);
    --accent-glow: rgba(34, 197, 94, 0.2);
    --radius: 10px;
    --radius-lg: 14px;
    --transition: 150ms ease;
}

[data-bs-theme="dark"] {
    --bg-body: #09090b;
    --bg-surface: #18181b;
    --bg-elevated: #1e1e22;
    --bg-card: #18181b;
    --border: #27272a;
    --border-hover: #3f3f46;
    --text-1: #fafafa;
    --text-2: #a1a1aa;
    --text-3: #71717a;
    --nav-bg: rgba(9, 9, 11, 0.8);
    --input-bg: #18181b;
    --code-bg: #0c0c0e;
}

[data-bs-theme="light"] {
    --bg-body: #fafafa;
    --bg-surface: #ffffff;
    --bg-elevated: #ffffff;
    --bg-card: #ffffff;
    --border: #e4e4e7;
    --border-hover: #d4d4d8;
    --text-1: #09090b;
    --text-2: #71717a;
    --text-3: #a1a1aa;
    --nav-bg: rgba(255, 255, 255, 0.85);
    --input-bg: #fafafa;
    --code-bg: #f4f4f5;
}

* { box-sizing: border-box; }

body {
    background: var(--bg-body);
    color: var(--text-1);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

main { flex: 1; }

/* ── Navbar ────────────────────────────────────────────── */
.navbar {
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0.6rem 0;
    z-index: 100;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-1) !important;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.brand-mark {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: var(--accent);
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.85rem;
}

.nav-link {
    color: var(--text-2) !important;
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem !important;
    border-radius: var(--radius);
    transition: color var(--transition), background var(--transition);
}

.nav-link:hover { color: var(--text-1) !important; }
.nav-link.active {
    color: var(--text-1) !important;
    background: var(--accent-subtle);
}

.btn-icon {
    width: 34px;
    height: 34px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.9rem;
}

.btn-icon:hover {
    background: var(--bg-elevated);
    border-color: var(--border-hover);
    color: var(--text-1);
}

[data-bs-theme="dark"] .theme-icon-dark { display: none; }
[data-bs-theme="dark"] .theme-icon-light { display: inline; }
[data-bs-theme="light"] .theme-icon-light { display: none; }
[data-bs-theme="light"] .theme-icon-dark { display: inline; }

.btn-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-1);
    border-radius: var(--radius);
    padding: 0.3rem 0.65rem 0.3rem 0.35rem;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-user:hover {
    background: var(--bg-elevated);
    border-color: var(--border-hover);
}

.btn-user::after { font-size: 0.65rem; opacity: 0.5; }

.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(161,161,170,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.avatar {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: var(--accent);
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.7rem;
}

/* ── Buttons ───────────────────────────────────────────── */
.btn-accent {
    background: var(--accent);
    color: #000;
    border: none;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.55rem 1.3rem;
    border-radius: var(--radius);
    transition: all var(--transition);
    cursor: pointer;
}

.btn-accent:hover {
    background: var(--accent-hover);
    color: #000;
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-accent:disabled { opacity: 0.35; box-shadow: none; cursor: not-allowed; }

.btn-ghost {
    background: transparent;
    color: var(--text-2);
    border: 1px solid var(--border);
    font-weight: 500;
    font-size: 0.82rem;
    padding: 0.45rem 1rem;
    border-radius: var(--radius);
    transition: all var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.btn-ghost:hover {
    background: var(--bg-elevated);
    border-color: var(--border-hover);
    color: var(--text-1);
}

/* ── Cards & Panels ────────────────────────────────────── */
.panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-1);
}

.panel-header .panel-icon {
    width: 28px;
    height: 28px;
    border-radius: 7px;
    background: var(--accent-subtle);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

/* ── Forms ──────────────────────────────────────────────── */
.form-label {
    font-weight: 600;
    font-size: 0.78rem;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.3rem;
}

.form-control, .form-select {
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--text-1);
    border-radius: var(--radius);
    padding: 0.55rem 0.8rem;
    font-size: 0.85rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus, .form-select:focus {
    background: var(--input-bg);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    color: var(--text-1);
}

.form-control::placeholder { color: var(--text-3); }

.form-check-input:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

.input-group-text {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text-3);
    font-size: 0.85rem;
}

/* ── Login ─────────────────────────────────────────────── */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-body);
    padding: 1rem;
}

.login-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 380px;
}

.login-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    margin-bottom: 2rem;
}

.login-brand .brand-mark {
    width: 36px;
    height: 36px;
    font-size: 1rem;
}

.login-brand span {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

/* ── Dashboard Tool Cards ──────────────────────────────── */
.tool-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all 200ms ease;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.tool-card:hover {
    border-color: var(--accent);
    background: var(--bg-elevated);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.tool-card-disabled {
    opacity: 0.4;
    pointer-events: none;
}

.tool-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--accent-subtle);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.tool-icon-muted {
    background: rgba(113, 113, 122, 0.1);
    color: var(--text-3);
}

.tool-card h5 {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
    color: var(--text-1);
}

.tool-card p {
    font-size: 0.82rem;
    color: var(--text-2);
    line-height: 1.5;
}

.tool-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2em 0.55em;
    border-radius: 5px;
    background: var(--accent-subtle);
    color: var(--accent);
}

.tool-tag-muted {
    background: rgba(113, 113, 122, 0.1);
    color: var(--text-3);
}

/* ── Page Header ───────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.page-header h4 {
    font-weight: 700;
    font-size: 1.15rem;
    margin: 0;
    letter-spacing: -0.02em;
}

.page-header .subtitle {
    font-size: 0.82rem;
    color: var(--text-2);
    margin: 0;
}

/* ── Mode Toggle ───────────────────────────────────────── */
.mode-toggle {
    display: inline-flex;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-surface);
}

.mode-toggle .mode-btn {
    padding: 0.4rem 1rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
    transition: all var(--transition);
    background: transparent;
    color: var(--text-3);
    border: none;
}

.mode-toggle .mode-btn.active {
    background: var(--accent);
    color: #000;
}

/* ── Side Panels (Dual Mode) ──────────────────────────── */
.side-panel {
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    border: 1px solid var(--border);
}

.side-panel-a { border-color: rgba(34, 197, 94, 0.25); }
.side-panel-b { border-color: rgba(59, 130, 246, 0.25); }

.badge-side {
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.2em 0.5em;
    border-radius: 4px;
}

.badge-side-a { background: rgba(34, 197, 94, 0.12); color: var(--accent); }
.badge-side-b { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.badge-single { background: rgba(113, 113, 122, 0.12); color: var(--text-2); }

/* ── Override Warning ──────────────────────────────────── */
.override-warning {
    background: rgba(234, 179, 8, 0.06);
    border: 1px solid rgba(234, 179, 8, 0.2);
    border-radius: var(--radius);
    padding: 0.5rem 0.8rem;
    font-size: 0.78rem;
    color: #eab308;
    display: none;
    align-items: center;
    gap: 0.4rem;
}

.override-warning.show { display: flex; }

/* ── Config Preview ────────────────────────────────────── */
.config-preview {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.78rem;
    line-height: 1.7;
    overflow: auto;
    white-space: pre;
    color: var(--text-1);
    max-height: 550px;
}

/* ── Tables ────────────────────────────────────────────── */
.table {
    --bs-table-bg: transparent;
    color: var(--text-1);
    font-size: 0.85rem;
}

.table thead th {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-3);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    padding: 0.75rem 1rem;
}

.table td {
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

.table tbody tr:hover { background: var(--bg-elevated); }
.table tbody tr:last-child td { border-bottom: none; }

/* ── Settings ──────────────────────────────────────────── */
.setting-row {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--border);
}

.setting-row:last-child { border-bottom: none; }

.setting-key {
    font-weight: 600;
    font-size: 0.82rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent);
}

.setting-desc {
    font-size: 0.75rem;
    color: var(--text-3);
    margin-top: 0.15rem;
}

.setting-label { min-width: 200px; flex-shrink: 0; }

/* ── Pagination ────────────────────────────────────────── */
.page-link {
    background: var(--bg-surface);
    border-color: var(--border);
    color: var(--text-1);
    font-size: 0.82rem;
}

.page-item.active .page-link {
    background: var(--accent);
    border-color: var(--accent);
    color: #000;
}

/* ── Dropdowns ─────────────────────────────────────────── */
.dropdown-menu {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.35rem;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    font-size: 0.85rem;
}

.dropdown-item {
    color: var(--text-1);
    border-radius: 6px;
    padding: 0.4rem 0.75rem;
    font-size: 0.82rem;
}

.dropdown-item:hover { background: var(--bg-elevated); color: var(--text-1); }

/* ── Alerts ────────────────────────────────────────────── */
.alert {
    font-size: 0.85rem;
    border-radius: var(--radius);
    border: none;
}

/* ── Empty State ───────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-3);
}

.empty-state i { font-size: 2.5rem; opacity: 0.25; display: block; margin-bottom: 0.75rem; }
.empty-state h5 { color: var(--text-2); font-size: 0.95rem; }
.empty-state p { font-size: 0.82rem; }

/* ── Nav Tabs ──────────────────────────────────────────── */
.nav-tabs {
    border-bottom: 1px solid var(--border);
}

.nav-tabs .nav-link {
    color: var(--text-2) !important;
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.6rem 1rem;
}

.nav-tabs .nav-link.active {
    color: var(--text-1) !important;
    background: transparent;
    border-bottom-color: var(--accent);
}

/* ── Duplicate Warning ──────────────────────────────────── */
.dup-warning { display: none !important; }
.dup-warning.visible { display: flex !important; }

/* ── Copy Button ───────────────────────────────────────── */
.copy-btn.copied { color: var(--accent) !important; }

/* ── Mobile Nav ─────────────────────────────────────────── */
@media (max-width: 991.98px) {
    .navbar-collapse {
        padding: 0.75rem 0;
        border-top: 1px solid var(--border);
        margin-top: 0.5rem;
    }

    .navbar-nav { gap: 0.15rem; }

    .navbar-collapse .d-flex {
        padding-top: 0.5rem;
        border-top: 1px solid var(--border);
        margin-top: 0.5rem;
        justify-content: space-between;
        width: 100%;
    }
}

/* ── Mobile History/Users Cards ────────────────────────── */
.mobile-cards { display: none; }

.mobile-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.mobile-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.mobile-card-title {
    font-weight: 700;
    font-size: 0.88rem;
}

.mobile-card-sub {
    font-size: 0.75rem;
    color: var(--text-3);
}

.mobile-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.78rem;
    color: var(--text-2);
}

.mobile-card-meta .meta-sep {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--text-3);
}

.mobile-card-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
    .container { padding-left: 1rem; padding-right: 1rem; }
    .panel { padding: 1rem; }
    .login-card { padding: 1.5rem; }
    .setting-row { flex-direction: column; gap: 0.5rem; }
    .setting-label { min-width: auto; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .config-preview { font-size: 0.68rem; padding: 0.75rem; max-height: 400px; }
    .mode-toggle .mode-btn { padding: 0.35rem 0.75rem; font-size: 0.75rem; }
    .side-panel { padding: 1rem; }
    .nav-tabs .nav-link { font-size: 0.75rem; padding: 0.5rem 0.65rem; }

    .desktop-table { display: none !important; }
    .mobile-cards { display: block !important; }
}

@media (min-width: 769px) {
    .mobile-cards { display: none !important; }
}