:root {
    --ink-strong: #162033;
    --ink-body: #445066;
    --ink-soft: #71809b;
    --line: rgba(21, 36, 59, 0.12);
    --paper: rgba(255, 255, 255, 0.88);
    --paper-strong: #ffffff;
    --brand: #0f766e;
    --brand-deep: #115e59;
    --accent: #f59e0b;
    --danger: #b91c1c;
    --bg-top: #f8fafc;
    --bg-bottom: #dbeafe;
    --shadow: 0 24px 60px rgba(19, 30, 51, 0.18);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 14px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--ink-strong);
    background:
        radial-gradient(circle at top left, rgba(15, 118, 110, 0.18), transparent 28%),
        radial-gradient(circle at right center, rgba(245, 158, 11, 0.18), transparent 24%),
        linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

.auth-shell {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.auth-layout {
    width: min(1160px, 100%);
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 24px;
    align-items: stretch;
}

.auth-hero,
.auth-card,
.state-card {
    background: var(--paper);
    backdrop-filter: blur(18px);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.auth-hero {
    border-radius: var(--radius-xl);
    padding: 44px;
    position: relative;
    overflow: hidden;
}

.auth-hero::after {
    content: "";
    position: absolute;
    inset: auto -40px -60px auto;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.24), rgba(245, 158, 11, 0.18));
}

.eyebrow {
    margin: 0 0 14px;
    font-size: 13px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--brand);
}

.auth-hero h1,
.state-card h1 {
    margin: 0;
    font-size: clamp(32px, 4vw, 52px);
    line-height: 1.02;
}

.hero-text,
.state-card p {
    margin: 18px 0 0;
    color: var(--ink-body);
    font-size: 16px;
    line-height: 1.8;
}

.hero-metrics {
    margin-top: 34px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.metric {
    padding: 18px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(15, 118, 110, 0.12);
}

.metric-label {
    display: block;
    margin-bottom: 8px;
    color: var(--ink-soft);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.auth-card,
.state-card {
    border-radius: var(--radius-xl);
    padding: 32px;
}

.card-head h2 {
    margin: 0 0 10px;
    font-size: 28px;
}

.card-head p,
.client-item p {
    margin: 0;
    color: var(--ink-soft);
}

.auth-form {
    margin-top: 24px;
    display: grid;
    gap: 16px;
}

.aux-actions {
    margin-top: 18px;
}

.hint-text {
    margin: 0;
    color: var(--ink-soft);
    line-height: 1.7;
    font-size: 14px;
}

.form-field {
    display: grid;
    gap: 8px;
    font-size: 14px;
    color: var(--ink-body);
}

.form-field span {
    font-weight: 600;
}

.form-field input {
    width: 100%;
    border: 1px solid rgba(21, 36, 59, 0.14);
    border-radius: 14px;
    padding: 14px 16px;
    font-size: 15px;
    color: var(--ink-strong);
    background: var(--paper-strong);
}

.form-field input:focus {
    outline: 2px solid rgba(15, 118, 110, 0.18);
    border-color: rgba(15, 118, 110, 0.42);
}

.primary-btn,
.ghost-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 18px;
    border-radius: 14px;
    border: none;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
}

.primary-btn {
    background: linear-gradient(135deg, var(--brand), var(--brand-deep));
    color: #fff;
}

.ghost-btn {
    background: rgba(21, 36, 59, 0.06);
    color: var(--ink-strong);
}

.link-btn {
    width: 100%;
}

.divider {
    margin: 24px 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(21, 36, 59, 0.14), transparent);
}

.client-list {
    display: grid;
    gap: 12px;
}

.client-empty {
    margin: 0;
    color: var(--ink-soft);
    line-height: 1.7;
}

.client-list h3 {
    margin: 0 0 8px;
    font-size: 16px;
}

.client-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(21, 36, 59, 0.1);
    background: rgba(255, 255, 255, 0.78);
}

.client-item-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.client-mini-btn {
    min-height: 36px;
    padding: 0 12px;
    font-size: 13px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 6px 10px;
    background: rgba(15, 118, 110, 0.12);
    color: var(--brand-deep);
    font-size: 12px;
    font-weight: 700;
}

.state-card {
    width: min(640px, 100%);
    text-align: center;
}

.error-state {
    border-top: 5px solid var(--danger);
}

.error-message {
    color: var(--danger);
    font-weight: 600;
}

.action-row {
    margin-top: 24px;
    display: grid;
    gap: 12px;
}

@media (max-width: 960px) {
    .auth-layout {
        grid-template-columns: 1fr;
    }

    .hero-metrics {
        grid-template-columns: 1fr;
    }
}

.admin-shell {
    padding: 32px 20px;
}

.admin-layout {
    width: min(1240px, 100%);
    margin: 0 auto;
    display: grid;
    gap: 20px;
}

.admin-header,
.admin-panel {
    background: var(--paper);
    border: 1px solid var(--line);
    box-shadow: 0 18px 42px rgba(19, 30, 51, 0.12);
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-radius: var(--radius-xl);
    padding: 24px 28px;
}

.admin-header h1 {
    margin: 0;
    font-size: 32px;
}

.admin-panel {
    border-radius: var(--radius-lg);
    padding: 24px;
}

.admin-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: 20px;
    align-items: start;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin: 20px 0;
}

.form-field-wide {
    grid-column: 1 / -1;
}

.check-row {
    display: grid;
    gap: 10px;
    margin: 0 0 20px;
    color: var(--ink-body);
    font-size: 14px;
}

.check-row input {
    margin-right: 8px;
}

.token-list,
.admin-client-list {
    display: grid;
    gap: 12px;
    margin-top: 18px;
}

.token-item,
.admin-client-item {
    border: 1px solid rgba(21, 36, 59, 0.1);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.74);
}

.token-item {
    display: grid;
    grid-template-columns: minmax(180px, 0.3fr) minmax(0, 0.7fr);
    gap: 16px;
    align-items: center;
    padding: 16px;
}

.token-item code,
.config-snippet {
    display: block;
    overflow-x: auto;
    border-radius: 12px;
    background: #0f172a;
    color: #e2e8f0;
    padding: 12px;
    font-size: 13px;
}

.config-snippet {
    margin: 16px 0 0;
    white-space: pre-wrap;
}

.error-banner {
    border-left: 4px solid var(--danger);
    color: var(--danger);
    font-weight: 700;
}

.admin-client-item {
    padding: 16px;
}

.admin-client-title {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.admin-client-title p {
    margin: 6px 0 0;
    color: var(--ink-soft);
}

.admin-client-item dl {
    display: grid;
    gap: 10px;
    margin: 14px 0 0;
}

.admin-client-item dl div {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 10px;
}

.admin-client-item dt {
    color: var(--ink-soft);
}

.admin-client-item dd {
    margin: 0;
    color: var(--ink-body);
    word-break: break-all;
}

@media (max-width: 980px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }

    .form-grid,
    .token-item {
        grid-template-columns: 1fr;
    }
}