:root {
    --admin-bg: #f5efe6;
    --admin-surface: #ffffff;
    --admin-border: #e6dac7;
    --admin-text: #1f2937;
    --admin-muted: #6b7280;
    --admin-primary: #bf5a27;
    --admin-primary-dark: #8b3f18;
    --admin-accent: #12344d;
    --admin-success: #1f7a54;
    --admin-danger: #b42318;
    --admin-shadow: 0 20px 50px rgba(18, 52, 77, 0.08);
    font-family: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--admin-text);
    background:
        radial-gradient(circle at top left, rgba(191, 90, 39, 0.14), transparent 28%),
        linear-gradient(180deg, #fbf7f0 0%, var(--admin-bg) 100%);
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}

.admin-body {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 28px 20px;
    border-right: 1px solid var(--admin-border);
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(16px);
}

.admin-brand {
    display: grid;
    gap: 6px;
}

.admin-brand strong {
    font-size: 1.15rem;
}

.admin-brand small {
    color: var(--admin-muted);
}

.admin-badge {
    display: inline-flex;
    width: fit-content;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(191, 90, 39, 0.12);
    color: var(--admin-primary);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.admin-nav {
    display: grid;
    gap: 6px;
}

.admin-nav a,
.admin-logout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border: 1px solid transparent;
    border-radius: 14px;
    color: var(--admin-muted);
    background: transparent;
    cursor: pointer;
}

.admin-nav a:hover,
.admin-nav a.is-active,
.admin-logout:hover {
    border-color: var(--admin-border);
    background: rgba(18, 52, 77, 0.06);
    color: var(--admin-text);
}

.admin-main {
    padding: 28px;
}

.admin-header {
    margin-bottom: 24px;
}

.admin-header h1 {
    margin: 0;
    font-size: 2rem;
}

.admin-header p {
    margin: 8px 0 0;
    color: var(--admin-muted);
}

.flash {
    margin-bottom: 20px;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid var(--admin-border);
}

.flash-success {
    background: rgba(31, 122, 84, 0.08);
    color: var(--admin-success);
}

.flash-error {
    background: rgba(180, 35, 24, 0.08);
    color: var(--admin-danger);
}

.stats-grid,
.panel-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 24px;
}

.stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.panel-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.stat-card,
.panel-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 24px;
    box-shadow: var(--admin-shadow);
}

.stat-card {
    display: grid;
    gap: 8px;
    padding: 22px;
}

.stat-card strong {
    font-size: 2rem;
}

.stat-card span {
    color: var(--admin-muted);
}

.panel-card {
    padding: 22px;
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.panel-head h2 {
    margin: 0;
    font-size: 1.1rem;
}

.panel-head a {
    color: var(--admin-primary);
    font-weight: 600;
}

.detail-list {
    display: grid;
    gap: 14px;
}

.detail-list div {
    display: grid;
    gap: 4px;
}

.detail-list dt {
    font-size: 0.85rem;
    color: var(--admin-muted);
}

.detail-list dd {
    margin: 0;
    font-weight: 600;
}

.action-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn-primary,
.btn-secondary,
.filter-bar button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 14px;
    border: none;
    cursor: pointer;
    font-weight: 700;
}

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

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

.btn-secondary {
    border: 1px solid var(--admin-border);
    background: #fff;
    color: var(--admin-accent);
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--admin-border);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--admin-muted);
    font-weight: 600;
}

.empty-state {
    padding: 24px 12px;
    text-align: center;
    color: var(--admin-muted);
}

.status-chip,
.role-tags span {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    margin: 0 6px 6px 0;
    border-radius: 999px;
    background: rgba(18, 52, 77, 0.08);
    color: var(--admin-accent);
    font-size: 0.8rem;
}

.status-chip.is-active {
    background: rgba(31, 122, 84, 0.12);
    color: var(--admin-success);
}

.status-chip.is-draft {
    background: rgba(107, 114, 128, 0.12);
    color: var(--admin-muted);
}

.table-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.table-actions form {
    display: inline;
}

.danger-link {
    border: none;
    background: transparent;
    color: var(--admin-danger);
    cursor: pointer;
    padding: 0;
}

.stack-form {
    display: grid;
    gap: 24px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-grid .span-2 {
    grid-column: span 2;
}

label {
    display: grid;
    gap: 8px;
    font-size: 0.95rem;
}

label > span {
    font-weight: 600;
}

input,
select,
textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--admin-border);
    border-radius: 14px;
    background: #fff;
    color: var(--admin-text);
}

textarea {
    resize: vertical;
}

small {
    color: var(--admin-muted);
    line-height: 1.55;
}

.toggle-row,
.checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toggle-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
}

.toggle-row input,
.checkbox-row input {
    width: auto;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.filter-bar label {
    min-width: 180px;
}

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

.chat-summary-item {
    display: grid;
    gap: 4px;
    padding: 14px 16px;
    border: 1px solid var(--admin-border);
    border-radius: 16px;
    background: #fff;
}

.chat-summary-item span,
.chat-summary-item small {
    color: var(--admin-muted);
}

.chat-transcript {
    display: grid;
    gap: 14px;
}

.admin-message {
    padding: 14px 16px;
    border-radius: 18px;
    max-width: 85%;
}

.admin-message strong {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
}

.admin-message p {
    margin: 8px 0 6px;
    line-height: 1.7;
}

.admin-message small {
    color: var(--admin-muted);
}

.admin-message-user {
    margin-left: auto;
    background: rgba(191, 90, 39, 0.12);
}

.admin-message-bot,
.admin-message-admin {
    background: rgba(18, 52, 77, 0.08);
}

.json-preview {
    margin: 10px 0 0;
    padding: 12px;
    border-radius: 12px;
    background: #f8fafc;
    overflow: auto;
    font-family: "JetBrains Mono", "Cascadia Code", monospace;
    font-size: 0.82rem;
}

.pagination-wrap {
    margin-top: 20px;
}

.admin-login-body {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 24px;
}

.login-shell {
    display: grid;
    grid-template-columns: minmax(280px, 420px) minmax(320px, 420px);
    gap: 24px;
    width: min(920px, 100%);
}

.login-intro,
.login-card {
    padding: 28px;
    border-radius: 28px;
    border: 1px solid var(--admin-border);
    background: rgba(255, 255, 255, 0.86);
    box-shadow: var(--admin-shadow);
}

.login-intro {
    background:
        linear-gradient(180deg, rgba(18, 52, 77, 0.96), rgba(18, 52, 77, 0.82)),
        radial-gradient(circle at top right, rgba(191, 90, 39, 0.5), transparent 32%);
    color: #fff;
}

.login-intro h1,
.login-card h2 {
    margin: 12px 0;
}

.login-hint {
    color: var(--admin-muted);
    font-size: 0.9rem;
}

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

    .admin-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--admin-border);
    }

    .login-shell {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .admin-main {
        padding: 18px;
    }

    .panel-card,
    .stat-card {
        padding: 18px;
    }

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

    .form-grid .span-2 {
        grid-column: span 1;
    }
}