/* ══════════════════════════════════════════════════════════════
   Routhre — Design System v2
   Dark-first | Deep Navy + Confident Blue | Precision-grade
   Typography: Sora (display) + Figtree (body)
══════════════════════════════════════════════════════════════ */

/* ─── CSS Variables (Dark default) ───────────────────────────── */
:root {
    /* Brand — Confident Blue (OKLCH perceptually uniform) */
    /* 暗色模式下适当降低饱和度与亮度，避免在深背景前过于刺眼 */
    --primary:        oklch(57% 0.16 250);
    --primary-dk:     oklch(43% 0.15 250);
    --primary-glow:   oklch(57% 0.16 250 / 0.20);
    --success:        oklch(65% 0.16 160);
    --danger:         oklch(60% 0.19 25);

    /* Typography */
    --font-display: 'Sora', system-ui, sans-serif;
    --font:         'Figtree', system-ui, sans-serif;

    /* Dark theme tokens — all neutrals tinted toward hue 250 */
    --dot-color:      oklch(38% 0.014 250 / 0.45);
    --bg:             oklch(12% 0.018 250);
    --bg-grad-1:      oklch(63% 0.20 250 / 0.08);
    --bg-grad-2:      oklch(48% 0.19 250 / 0.06);
    --surface:        oklch(17% 0.014 250 / 0.65);
    --surface-hi:     oklch(23% 0.016 250 / 0.75);
    --border:         oklch(40% 0.012 250 / 0.28);
    --text:           oklch(95% 0.006 250);
    --text-muted:     oklch(62% 0.010 250);
    --input-bg:       oklch(11% 0.011 250 / 0.65);
    --input-text:     oklch(95% 0.006 250);
    --input-border:   oklch(36% 0.012 250 / 0.26);
    --overlay:        oklch(6% 0.008 250 / 0.80);
    --code-bg:        oklch(15% 0.012 250 / 0.55);
    --json-bg:        oklch(9% 0.010 250 / 0.75);
    --shadow:         0 8px 40px oklch(3% 0.008 250 / 0.55);
    --shadow-sm:      0 2px 12px oklch(3% 0.008 250 / 0.40);
    --card-hover-shadow: 0 10px 32px oklch(63% 0.20 250 / 0.14);
    --modal-bg:       oklch(14% 0.016 250);

    /* Layout */
    --radius:    14px;
    --radius-sm:  9px;
    --radius-xs:  5px;
    --sidebar-w: 256px;
}

/* ─── Light Theme Overrides ──────────────────────────────────── */
[data-theme="light"] {
    --dot-color:      oklch(72% 0.010 250 / 0.40);
    --bg:             oklch(97.5% 0.005 250);
    --bg-grad-1:      oklch(63% 0.20 250 / 0.04);
    --bg-grad-2:      oklch(48% 0.19 250 / 0.03);
    --surface:        oklch(100% 0.003 250 / 0.90);
    --surface-hi:     oklch(99% 0.004 250);
    --border:         oklch(78% 0.008 250 / 0.55);
    --text:           oklch(15% 0.013 250);
    --text-muted:     oklch(50% 0.010 250);
    --input-bg:       oklch(96% 0.006 250);
    --input-text:     oklch(15% 0.013 250);
    --input-border:   oklch(80% 0.008 250 / 0.52);
    --overlay:        oklch(18% 0.010 250 / 0.50);
    --code-bg:        oklch(94% 0.007 250);
    --json-bg:        oklch(95% 0.006 250);
    --shadow:         0 4px 28px oklch(28% 0.010 250 / 0.10);
    --shadow-sm:      0 2px 10px oklch(28% 0.010 250 / 0.07);
    --card-hover-shadow: 0 8px 28px oklch(63% 0.20 250 / 0.11);
    --modal-bg:       oklch(99% 0.004 250);
}

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

/* ─── Base ────────────────────────────────────────────────────── */
html { color-scheme: dark; }
[data-theme="light"] { color-scheme: light; }

body {
    font-family: var(--font);
    background-color: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    /* Three layers: dot grid + two radial blobs */
    background-image:
        radial-gradient(circle, var(--dot-color) 1px, transparent 1px),
        radial-gradient(ellipse 65% 55% at 15% 62%, var(--bg-grad-1), transparent),
        radial-gradient(ellipse 58% 48% at 84% 22%, var(--bg-grad-2), transparent);
    background-size: 28px 28px, 100% 100%, 100% 100%;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ─── Theme Toggle Button ─────────────────────────────────────── */
.theme-toggle {
    position: fixed;
    top: 1.1rem;
    right: 1.25rem;
    z-index: 2000;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.25s ease;
}
.theme-toggle:hover { transform: scale(1.08); box-shadow: var(--shadow); background: var(--surface-hi); }
.theme-toggle:active { transform: scale(0.94); }

/* ─── View System ─────────────────────────────────────────────── */
.view { display: none; opacity: 0; transition: opacity 0.35s ease; }
.view.active { display: flex; opacity: 1; }

/* ─── Glass Panel ─────────────────────────────────────────────── */
.glass-panel {
    background: var(--surface);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* ─── Auth View ───────────────────────────────────────────────── */
#auth-view { min-height: 100vh; align-items: center; justify-content: center; }

.auth-panel {
    width: 100%;
    max-width: 400px;
    text-align: center;
    animation: floatUp 0.55s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.logo-area { display: flex; flex-direction: column; align-items: center; gap: 1rem; margin-bottom: 0.5rem; }

.logo-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(145deg, var(--primary), var(--primary-dk));
    box-shadow: 0 0 22px var(--primary-glow), inset 0 1px 0 oklch(80% 0.12 250 / 0.18);
    animation: pulse 3.5s ease-in-out infinite alternate;
    flex-shrink: 0;
}

h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--text);
}
.subtitle { color: var(--text-muted); margin-bottom: 2rem; font-size: 0.9rem; line-height: 1.65; }

/* ─── Inputs ──────────────────────────────────────────────────── */
.input-group input {
    width: 100%;
    padding: 0.9rem 1.15rem;
    margin-bottom: 0.85rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 10px;
    color: var(--input-text);
    font-size: 0.95rem;
    font-family: var(--font);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}
.input-group input::placeholder { color: var(--text-muted); }

form input, form textarea {
    display: block;
    width: 100%;
    padding: 0.8rem 0.95rem;
    margin-bottom: 0.85rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    color: var(--input-text);
    font-size: 0.9rem;
    font-family: var(--font);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
form label {
    display: block;
    padding: 0 0 0.3rem;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-family: var(--font);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: transparent;
    border: none;
    margin-bottom: 0;
}
form input:focus, form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}
form input::placeholder,
form textarea::placeholder { color: var(--text-muted); }

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn {
    width: 100%;
    padding: 0.85rem 1.2rem;
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font);
    letter-spacing: 0.01em;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.18s ease, opacity 0.18s ease;
}
.btn:active { transform: scale(0.97); }

.primary-btn {
    background: var(--primary);
    color: #fff;
    margin-bottom: 0.85rem;
    box-shadow: 0 2px 12px var(--primary-glow), inset 0 1px 0 oklch(85% 0.10 250 / 0.16);
}
.primary-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 22px var(--primary-glow);
    background: oklch(61% 0.17 250);
}

.secondary-btn {
    background: var(--surface-hi);
    color: var(--text);
    border: 1px solid var(--border);
}
.secondary-btn:hover { opacity: 0.82; }

.text-btn { background: transparent; color: var(--text-muted); border: none; }
.text-btn:hover { color: var(--text); }

.error-msg { font-size: 0.86rem; margin-top: 0.75rem; min-height: 1.2rem; }

/* ─── Auth sub-form switching ─────────────────────────────────── */
.auth-sub-form { display: none; }
.auth-sub-form.active { display: block; }

.auth-form-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1.2rem;
    text-align: left;
}

.auth-link-row {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    margin-top: -0.3rem;
}
.auth-link-row .btn { width: auto; padding: 0.5rem 0.6rem; font-size: 0.82rem; }

/* 验证码行：输入框 + 按钮并排 */
.code-row {
    display: flex !important;
    gap: 0.6rem;
    align-items: stretch;
    margin-bottom: 0;
}
.code-row .code-input {
    flex: 1;
    margin-bottom: 0.85rem !important;
    letter-spacing: 3px;
    font-size: 1.05rem;
    text-align: center;
}
.code-row .code-btn {
    flex-shrink: 0;
    width: auto;
    padding: 0 1rem;
    font-size: 0.82rem;
    margin-bottom: 0.85rem;
    white-space: nowrap;
    min-width: 108px;
}
.code-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* 侧边栏修改密码按钮 */
.sidebar-pwd-btn {
    width: 100%;
    margin-top: 0.6rem;
    padding: 0.45rem 0.8rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
}

/* ─── Dashboard ───────────────────────────────────────────────── */
#dashboard-view { height: 100vh; }

/* Sidebar — more opaque, darker than content area */
.sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    border-radius: 0;
    background: oklch(13% 0.016 250 / 0.92) !important;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 1.75rem 1.25rem;
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    transition: background 0.3s ease, border-color 0.3s ease;
    box-shadow: none;
}
[data-theme="light"] .sidebar {
    background: oklch(99% 0.005 250 / 0.92) !important;
}

.logo-area.small { flex-direction: row; align-items: center; gap: 0.75rem; margin-bottom: 2rem; }
.logo-area.small .logo-icon {
    width: 28px;
    height: 28px;
    border-radius: 7px;
    animation: none;
    box-shadow: 0 0 10px var(--primary-glow);
}
.logo-area.small h2 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--text);
    margin: 0;
}

.user-info { margin-bottom: 1.75rem; }
.user-info > p { font-size: 0.84rem; color: var(--text-muted); margin-bottom: 0.75rem; }
#display-user { color: var(--text); font-weight: 600; }

.credit-box {
    padding: 1.1rem 1.25rem;
    background: oklch(63% 0.20 250 / 0.08);
    border: 1px solid oklch(63% 0.20 250 / 0.20);
    border-radius: 11px;
}
.credit-label {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.09em;
    margin-bottom: 0.3rem;
    font-weight: 700;
}
.credit-box h3 {
    font-family: var(--font-display);
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.1;
    letter-spacing: -0.04em;
}

.badge {
    font-size: 0.62rem;
    padding: 2px 7px;
    border-radius: 4px;
    background: var(--primary);
    color: #fff;
    margin-left: 6px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.nav-links { list-style: none; flex-grow: 1; margin-bottom: 1.5rem; margin-top: 0.5rem; }
.nav-links li {
    padding: 0.7rem 0.9rem;
    margin-bottom: 2px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.18s ease;
}
.nav-links li:hover { background: var(--surface-hi); color: var(--text); }
.nav-links li.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 12px var(--primary-glow);
    font-weight: 600;
}

/* Content Area */
.content-area { flex-grow: 1; padding: 2.5rem 3rem; overflow-y: auto; }

.content-section { display: none; animation: fadeIn 0.3s ease; }
.content-section.active { display: block; }
.content-section header { margin-bottom: 2rem; }
.content-section header h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.03em;
}
.content-section header p { color: var(--text-muted); margin-top: 0.4rem; font-size: 0.875rem; }

/* ─── Model Hall Search/Sort ─────────────────────────────────── */
#models-search:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px var(--primary-glow) !important;
}

/* ─── Model List ─────────────────────────────────────────────── */
.cards-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.model-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.model-card:hover {
    background: var(--surface-hi);
    box-shadow: var(--card-hover-shadow);
    border-color: var(--primary);
}

/* 列表行：左侧信息 + 右侧价格/按钮 */
.model-list-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.model-list-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.model-list-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.model-list-name h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.02em;
    margin: 0;
}
.model-list-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.4rem;
    flex-shrink: 0;
}

.model-card .tag {
    font-size: 0.66rem;
    background: var(--surface-hi);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 3px 8px;
    border-radius: var(--radius-xs);
    white-space: nowrap;
    flex-shrink: 0;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}
.model-card .tag.tag-source {
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    border-color: color-mix(in srgb, var(--accent) 35%, transparent);
    color: var(--accent);
    text-transform: none;
}

.model-caps { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.cap-tag {
    font-size: 0.66rem;
    padding: 2px 7px;
    border-radius: var(--radius-xs);
    background: oklch(63% 0.20 250 / 0.10);
    border: 1px solid oklch(63% 0.20 250 / 0.22);
    color: var(--primary);
    white-space: nowrap;
    font-weight: 500;
}
.cap-tag.muted { background: var(--surface-hi); border-color: var(--border); color: var(--text-muted); }
.model-meta-tag {
    font-size: 0.66rem;
    padding: 2px 7px;
    border-radius: var(--radius-xs);
    background: var(--surface-hi);
    color: var(--text-muted);
    border: 1px solid var(--border);
}
.model-price {
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 700;
    margin: 0;
    font-family: var(--font-display);
    letter-spacing: -0.01em;
    white-space: nowrap;
    text-align: right;
}
.model-admin-info { font-size: 0.72rem; color: var(--text-muted); display: flex; flex-wrap: wrap; gap: 0.4rem 0.8rem; }
.model-url { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 0.67rem; opacity: 0.58; }

/* ─── Tables ──────────────────────────────────────────────────── */
.table-container { padding: 0; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.95rem 1.2rem; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.86rem; }
th {
    color: var(--text-muted);
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    white-space: nowrap;
}
tr:last-child td { border-bottom: none; }
tbody tr { transition: background 0.15s ease; }
tbody tr:hover td { background: var(--surface-hi); }

.positive { color: var(--success); font-weight: 600; }
.negative { color: var(--danger); }

code {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    background: var(--code-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.82em;
    color: var(--text);
    border: 1px solid var(--border);
}

/* ─── Admin Section ───────────────────────────────────────────── */
.admin-tabs {
    display: flex;
    gap: 0.35rem;
    margin-bottom: 1.75rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.75rem;
}
.admin-tab {
    padding: 0.45rem 1.1rem;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.84rem;
    font-weight: 500;
    font-family: var(--font);
    transition: all 0.18s ease;
}
.admin-tab:hover { color: var(--text); background: var(--surface-hi); }
.admin-tab.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 10px var(--primary-glow);
}
.admin-tab-content { display: none; animation: fadeIn 0.25s ease; }
.admin-tab-content.active { display: block; }

/* ─── 基础设置 二级子 Tab ──────────────────────────────────────── */
.settings-subtabs {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.25rem;
    padding: 0.3rem;
    background: var(--surface);
    border-radius: var(--radius-sm);
    width: fit-content;
}
.settings-subtab {
    padding: 0.32rem 0.9rem;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.80rem;
    font-weight: 500;
    font-family: var(--font);
    transition: all 0.15s ease;
}
.settings-subtab:hover { color: var(--text); background: var(--surface-hi); }
.settings-subtab.active {
    background: var(--surface-hi);
    color: var(--text);
    box-shadow: 0 1px 6px oklch(3% 0.008 250 / 0.25);
}
.settings-tab-content { display: none; animation: fadeIn 0.20s ease; }
.settings-tab-content.active { display: block; }

.glass-panel > h3 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.4rem;
    letter-spacing: -0.01em;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; margin-bottom: 0; }
.form-row input { margin-bottom: 0.85rem; }

.capabilities-group { margin-bottom: 1.4rem; }
.cap-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.cap-checks { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.cap-check {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--surface-hi);
    border: 1px solid var(--border);
    border-radius: 7px;
    padding: 0.4rem 0.75rem;
    cursor: pointer;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font);
    transition: all 0.18s ease;
    user-select: none;
}
.cap-check:hover { border-color: var(--primary); color: var(--text); }
.cap-check input[type="checkbox"] { accent-color: var(--primary); width: auto; margin: 0; padding: 0; }

/* ─── Users Management ────────────────────────────────────────── */
.users-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.4rem;
    flex-wrap: wrap;
    gap: 0.8rem;
}
.users-toolbar-left {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}
.users-toolbar-left h3 {
    font-family: var(--font-display);
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 700;
    margin: 0;
}
.users-toolbar-right { display: flex; align-items: center; gap: 0.5rem; }
.users-search-input {
    width: 200px;
    padding: 0.4rem 0.75rem;
    font-size: 0.82rem;
    background: var(--surface-hi);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    outline: none;
    transition: border-color 0.2s;
}
.users-search-input:focus { border-color: var(--primary); }
.users-count-badge {
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    background: oklch(63% 0.20 250 / 0.10);
    color: var(--primary);
    font-weight: 600;
    border: 1px solid oklch(63% 0.20 250 / 0.20);
}
.users-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.84rem;
}
.users-table thead tr {
    border-bottom: 1px solid var(--border);
}
.users-table th {
    padding: 0.7rem 1rem;
    text-align: left;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    white-space: nowrap;
}
.users-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    vertical-align: middle;
}
.users-table tbody tr:last-child td { border-bottom: none; }
.users-table tbody tr:hover td { background: var(--surface-hi); }
.users-id-cell { color: var(--text-muted); font-size: 0.78rem; font-variant-numeric: tabular-nums; }
.users-credits-cell { font-variant-numeric: tabular-nums; font-weight: 600; }
.users-time-cell { color: var(--text-muted); font-size: 0.78rem; white-space: nowrap; }
.users-username { font-weight: 500; }
.self-badge {
    font-size: 0.68rem;
    padding: 1px 6px;
    border-radius: var(--radius-xs);
    background: oklch(70% 0.18 145 / 0.15);
    color: oklch(70% 0.18 145);
    border: 1px solid oklch(70% 0.18 145 / 0.3);
    margin-left: 0.4rem;
    vertical-align: middle;
}
.users-actions {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}
.role-badge {
    display: inline-block;
    font-size: 0.68rem;
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    font-weight: 700;
    letter-spacing: 0.04em;
}
.role-badge-admin {
    background: oklch(75% 0.18 50 / 0.15);
    color: oklch(75% 0.18 50);
    border: 1px solid oklch(75% 0.18 50 / 0.3);
}
.role-badge-user {
    background: oklch(63% 0.12 250 / 0.10);
    color: var(--text-muted);
    border: 1px solid var(--border);
}
.key-prefix-badge {
    display: inline-block;
    font-size: 0.68rem;
    font-family: var(--font-mono, monospace);
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    background: oklch(63% 0.15 160 / 0.10);
    color: oklch(63% 0.15 160);
    border: 1px solid oklch(63% 0.15 160 / 0.25);
    margin: 1px 2px;
    cursor: default;
}
.credits-badge {
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    background: oklch(63% 0.20 250 / 0.10);
    color: var(--primary);
    font-weight: 600;
    border: 1px solid oklch(63% 0.20 250 / 0.20);
}

/* ─── Logs Panel ──────────────────────────────────────────────── */
.logs-panel { padding: 0; overflow: hidden; }
.logs-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.6rem;
    border-bottom: 1px solid var(--border);
}
.logs-toolbar h3 {
    font-family: var(--font-display);
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 700;
}
.logs-filter { display: flex; align-items: center; gap: 0.55rem; }
.logs-filter input {
    width: 130px;
    padding: 0.42rem 0.8rem;
    margin: 0;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 7px;
    color: var(--input-text);
    font-size: 0.84rem;
    font-family: var(--font);
}
.logs-filter input:focus { outline: none; border-color: var(--primary); }
.logs-filter input::placeholder { color: var(--text-muted); }
.logs-filter .btn { width: auto; padding: 0.42rem 0.95rem; font-size: 0.84rem; margin-bottom: 0; }

.logs-pagination {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    border-top: 1px solid var(--border);
}
.logs-pagination .btn { width: auto; padding: 0.38rem 0.85rem; font-size: 0.84rem; margin-bottom: 0; }
#logs-page-info { font-size: 0.84rem; color: var(--text-muted); }

#logs-table { font-size: 0.8rem; }
#logs-table th, #logs-table td { padding: 0.75rem 0.95rem; }
.btn-sm { width: auto; padding: 0.26rem 0.65rem; font-size: 0.74rem; margin-bottom: 0; }

/* ─── Modal ───────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}
.modal-box {
    width: 90%;
    max-width: 860px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
    border-radius: 18px;
    /* 覆盖 glass-panel 的半透明背景，使 modal 内容区域不透明 */
    background: var(--modal-bg) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.6rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.modal-header h3 {
    font-family: var(--font-display);
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 700;
}
.modal-close {
    background: var(--surface-hi);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 7px;
    padding: 0.28rem 0.6rem;
    cursor: pointer;
    font-size: 0.95rem;
    font-family: var(--font);
    transition: background 0.18s ease, color 0.18s ease, transform 0.15s ease;
}
.modal-close:hover {
    background: oklch(64% 0.22 25 / 0.12);
    color: var(--danger);
    transform: scale(1.05);
}
.modal-body { flex: 1; overflow-y: auto; padding: 1.4rem 1.6rem; }

/* 提供商详情模态框 - tab 切换 */
.modal-tabs {
    display: flex;
    gap: 0.3rem;
    padding: 0.7rem 1.6rem 0;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.modal-tab {
    padding: 0.38rem 1.1rem;
    border-radius: 8px 8px 0 0;
    border: 1px solid transparent;
    border-bottom: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.82rem;
    font-family: var(--font);
    transition: color 0.18s, background 0.18s;
}
.modal-tab.active {
    color: var(--primary);
    background: var(--surface-hi);
    border-color: var(--border);
}
.modal-panel { display: none; padding: 1.2rem 1.6rem; overflow-y: auto; }
.modal-panel.active { display: block; }

.meta-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.45rem 1.4rem;
    font-size: 0.86rem;
    margin-bottom: 1.4rem;
    background: var(--input-bg);
    border-radius: 10px;
    padding: 0.9rem 1.1rem;
    border: 1px solid var(--border);
}
.meta-grid span { color: var(--text-muted); align-self: center; font-size: 0.78rem; }
.meta-grid b { font-weight: 500; color: var(--text); }

.modal-json-tabs { display: flex; gap: 0.35rem; margin-bottom: 0.7rem; }
.json-tab {
    padding: 0.35rem 0.95rem;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.78rem;
    font-family: var(--font);
    transition: all 0.18s ease;
}
.json-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.json-viewer {
    display: none;
    background: var(--json-bg);
    border-radius: 10px;
    padding: 1.1rem;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.75rem;
    line-height: 1.7;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 380px;
    overflow-y: auto;
    border: 1px solid var(--border);
    color: var(--text);
}
.json-viewer.active { display: block; animation: fadeIn 0.2s ease; }

/* ─── Toast ───────────────────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    padding: 0.8rem 1.3rem;
    border-radius: 10px;
    font-size: 0.86rem;
    font-weight: 500;
    opacity: 0;
    transform: translateY(12px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
    max-width: 360px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
.toast-visible { opacity: 1; transform: translateY(0); }
.toast-success {
    background: oklch(71% 0.19 160 / 0.13);
    border: 1px solid oklch(71% 0.19 160 / 0.30);
    color: oklch(71% 0.19 160);
}
.toast-error {
    background: oklch(64% 0.22 25 / 0.13);
    border: 1px solid oklch(64% 0.22 25 / 0.30);
    color: oklch(64% 0.22 25);
}

/* ─── Providers List ──────────────────────────────────────────── */
.providers-list { display: flex; flex-direction: column; gap: 0.6rem; }
.provider-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--surface-hi);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    gap: 0.75rem;
    font-size: 0.84rem;
}
.provider-item-info { flex: 1; min-width: 0; }
.provider-item-name {
    font-weight: 600;
    font-family: var(--font-display);
    font-size: 0.88rem;
    margin-bottom: 0.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.provider-item-meta { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.provider-tag {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
    color: var(--text-muted);
    background: transparent;
}
.provider-tag.official { color: var(--success); border-color: oklch(65% 0.16 160 / 0.30); }
.provider-tag.reseller { color: oklch(70% 0.16 55); border-color: oklch(70% 0.16 55 / 0.30); }
.provider-tag.secondary { color: var(--text-muted); }
.provider-url-preview {
    font-family: monospace;
    font-size: 0.72rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 280px;
}
.provider-inactive { opacity: 0.45; }

/* ─── Admin Models List ───────────────────────────────────────── */
.admin-models-list { display: flex; flex-direction: column; gap: 0.5rem; }
.admin-model-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 1rem;
    background: var(--surface-hi);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    gap: 0.75rem;
    font-size: 0.84rem;
}
.admin-model-info { flex: 1; min-width: 0; }
.admin-model-name {
    font-weight: 600;
    font-family: monospace;
    font-size: 0.85rem;
    margin-bottom: 0.15rem;
}
.admin-model-meta { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; color: var(--text-muted); font-size: 0.77rem; }

/* billing hint in model form */
.billing-hint {
    display: flex;
    align-items: center;
    font-size: 0.79rem;
    color: var(--text-muted);
    font-style: italic;
    padding: 0 0.5rem;
}

/* form select element */
select {
    width: 100%;
    padding: 0.72rem 0.95rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    color: var(--input-text);
    font-size: 0.9rem;
    font-family: var(--font);
    cursor: pointer;
    transition: border-color 0.2s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.2rem;
    margin-bottom: 0.85rem;
}
select:focus { outline: none; border-color: var(--primary); }
select option { background: var(--bg); color: var(--text); }

/* ─── Animations ──────────────────────────────────────────────── */
@keyframes floatUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes pulse {
    0%   { box-shadow: 0 0 14px var(--primary-glow); }
    100% { box-shadow: 0 0 28px var(--primary-glow), 0 0 5px var(--primary-glow); }
}

/* ─── Guide Section ───────────────────────────────────────────── */
.guide-block h3 { margin-bottom: 0.75rem; font-size: 1rem; color: var(--text-primary); }
.guide-desc { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.75rem; line-height: 1.6; }

.guide-credential-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.65rem; flex-wrap: wrap; }
.guide-label { font-size: 0.78rem; color: var(--text-muted); white-space: nowrap; min-width: 110px; }
.guide-copy-row { display: flex; align-items: center; gap: 0.5rem; flex: 1; min-width: 0; }
.guide-code {
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 0.78rem;
    background: var(--bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    padding: 0.3rem 0.65rem;
    color: var(--primary);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: block;
}
.guide-token-blur { filter: blur(5px); user-select: none; transition: filter 0.25s; }
.guide-copy-btn {
    font-size: 0.75rem;
    padding: 0.28rem 0.7rem;
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    white-space: nowrap;
    width: auto;
    flex-shrink: 0;
    transition: border-color 0.2s, color 0.2s;
}
.guide-copy-btn:hover { border-color: var(--primary); color: var(--primary); }
.guide-tip { font-size: 0.78rem; color: var(--warning, #f59e0b); margin-top: 0.4rem; }

.guide-tabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.guide-tab {
    font-size: 0.8rem;
    padding: 0.32rem 0.9rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--input-border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}
.guide-tab.active, .guide-tab:hover { border-color: var(--primary); color: var(--primary); background: rgba(var(--primary-rgb, 99,102,241), 0.08); }
.guide-tab-content { display: none; }
.guide-tab-content.active { display: block; }

.guide-pre {
    background: var(--bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    padding: 1rem 1.2rem;
    overflow-x: auto;
    margin: 0;
    font-size: 0.8rem;
    line-height: 1.65;
}
.guide-pre code { font-family: 'SFMono-Regular', Consolas, monospace; color: var(--text-primary); white-space: pre; }

.guide-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
.guide-table td { padding: 0.55rem 0.75rem; border-bottom: 1px solid var(--input-border); color: var(--text-muted); }
.guide-table td:first-child { color: var(--text-primary); font-weight: 500; white-space: nowrap; }
.guide-code-inline {
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 0.78rem;
    background: var(--bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    padding: 0.1rem 0.4rem;
    color: var(--primary);
}

.guide-notes { padding-left: 1.2rem; margin: 0; }
.guide-notes li { font-size: 0.84rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 0.3rem; }

/* CLI 工具块 */
.cli-tool-block { border: 1px solid var(--input-border); border-radius: var(--radius-sm); padding: 1rem 1.1rem; }
.cli-tool-header { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.75rem; flex-wrap: wrap; }
.cli-tool-header strong { font-size: 0.92rem; color: var(--text-primary); }
.cli-tool-note { font-size: 0.78rem; color: var(--text-muted); }
.cli-tool-badge {
    font-size: 0.68rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    letter-spacing: 0.02em;
    flex-shrink: 0;
}
.anthropic-badge { background: rgba(200,100,50,0.15); color: #e07040; border: 1px solid rgba(200,100,50,0.25); }
.openai-badge   { background: rgba(16,163,127,0.12); color: #10a37f; border: 1px solid rgba(16,163,127,0.25); }
.google-badge   { background: rgba(66,133,244,0.12); color: #4285f4; border: 1px solid rgba(66,133,244,0.25); }

/* ─── API 密钥表单 ────────────────────────────────────────────── */
.ak-form { display: flex; flex-direction: column; gap: 1rem; }
.ak-field { display: flex; flex-direction: column; gap: 0.35rem; }
.ak-field > label { font-size: 0.82rem; color: var(--text-muted); font-weight: 500; }
.ak-field input, .ak-field select { margin-bottom: 0; }
.ak-actions { display: flex; gap: 0.6rem; margin-top: 0.2rem; }
.ak-actions .btn { flex: 1; margin-bottom: 0; }

/* ─── 模型多选下拉 ────────────────────────────────────────────── */
.ak-model-picker { position: relative; }
.ak-model-trigger {
    width: 100%;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0;
}
.ak-model-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    max-height: 220px;
    overflow-y: auto;
    z-index: 200;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}
.ak-model-dropdown.open { display: block; }
.ak-model-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.85rem;
    cursor: pointer;
    font-size: 0.84rem;
    color: var(--text);
    user-select: none;
}
.ak-model-option:hover { background: var(--surface-hi); }
.ak-model-option input[type="checkbox"] { display: inline-block; width: auto; accent-color: var(--primary); flex-shrink: 0; margin: 0; }
.ak-model-option span { line-height: 1.4; word-break: break-all; }
.ak-model-empty { padding: 0.6rem 0.85rem; font-size: 0.82rem; color: var(--text-muted); font-style: italic; }
.ak-model-summary { font-size: 0.78rem; color: var(--text-muted); min-height: 1.1em; }

/* ─── Guide 密钥选择器 ───────────────────────────────────────── */
.guide-key-select {
    flex: 1;
    height: 2.25rem;
    padding: 0 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text);
    font-size: 0.85rem;
    font-family: var(--font);
    cursor: pointer;
    outline: none;
    transition: border-color 0.18s;
}
.guide-key-select:focus { border-color: var(--primary); }

/* ─── Toggle Switch（注册开关） ─────────────────────────────── */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--surface-hi);
    border-radius: 26px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}
.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--text-muted);
    border-radius: 50%;
    transition: transform 0.2s, background 0.2s;
}
.toggle-switch input:checked + .toggle-slider { background: var(--primary); border-color: var(--primary); }
.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px) translateY(-50%);
    background: #fff;
}