/* Static product demo — deliberately standalone: no API calls, no frameworks. */
:root {
  --demo-primary: #1f5cc4;
  --demo-primary-hover: #174893;
  --demo-primary-soft: #eaf1fc;
  --demo-canvas: #eef1f5;
  --demo-surface: #ffffff;
  --demo-surface-muted: #f7f9fc;
  --demo-nav: #f4f7fb;
  --demo-text: #1d2733;
  --demo-text-2: #455467;
  --demo-text-3: #74839a;
  --demo-line: #e1e7f0;
  --demo-line-strong: #d4ddea;
  --demo-success: #16794b;
  --demo-success-soft: #eefaf3;
  --demo-warning: #a66300;
  --demo-warning-soft: #fff8e8;
  --demo-danger: #bc3349;
  --demo-danger-soft: #fff1f3;
  --demo-shadow: 0 1px 2px rgba(22, 35, 55, .05), 0 8px 24px rgba(22, 35, 55, .06);
  --demo-radius: 12px;
  --demo-radius-sm: 8px;
  --demo-sidebar: 224px;
  --demo-font: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --demo-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

html[data-demo-theme="dark"] {
  --demo-canvas: #10161f;
  --demo-surface: #17202c;
  --demo-surface-muted: #1d2938;
  --demo-nav: #131c27;
  --demo-text: #e7edf6;
  --demo-text-2: #becbda;
  --demo-text-3: #8999ad;
  --demo-line: #2b394b;
  --demo-line-strong: #38495e;
  --demo-primary: #70a5ff;
  --demo-primary-hover: #9bbfff;
  --demo-primary-soft: #1d385e;
  --demo-success: #69c894;
  --demo-success-soft: #173624;
  --demo-warning: #f0bf63;
  --demo-warning-soft: #3a2e13;
  --demo-danger: #ff91a2;
  --demo-danger-soft: #3d1e28;
  --demo-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 28px rgba(0, 0, 0, .25);
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--demo-canvas); }
body { margin: 0; min-height: 100%; background: var(--demo-canvas); color: var(--demo-text); font: 14px/1.55 var(--demo-font); -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; }
a { color: var(--demo-primary); text-decoration: none; }
a:hover { color: var(--demo-primary-hover); text-decoration: underline; }
button { cursor: pointer; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid color-mix(in srgb, var(--demo-primary) 36%, transparent); outline-offset: 2px; }

.demo-shell { display: flex; min-height: 100vh; }
.demo-sidebar { width: var(--demo-sidebar); flex: 0 0 var(--demo-sidebar); min-height: 100vh; display: flex; flex-direction: column; background: var(--demo-nav); border-right: 1px solid var(--demo-line-strong); }
.demo-brand { display: flex; align-items: center; gap: 10px; padding: 20px 18px 17px; color: var(--demo-text); }
.demo-brand:hover { color: var(--demo-text); text-decoration: none; }
.demo-brand img { width: 27px; height: 27px; border-radius: 8px; }
.demo-brand-name { display: block; font-size: 14px; font-weight: 750; letter-spacing: -.01em; }
.demo-brand-sub { display: block; margin-top: 1px; font-size: 11px; color: var(--demo-text-3); }
.demo-nav { flex: 1; overflow-y: auto; padding: 0 10px 16px; }
.demo-nav-group { margin: 17px 8px 5px; color: var(--demo-text-3); font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.demo-nav-item { display: flex; align-items: center; gap: 8px; min-height: 34px; margin: 2px 0; padding: 7px 9px; border-radius: 7px; color: var(--demo-text-2); font-size: 13px; }
.demo-nav-item:hover { background: var(--demo-surface-muted); color: var(--demo-text); text-decoration: none; }
.demo-nav-item.is-active { background: var(--demo-primary-soft); color: var(--demo-primary-hover); font-weight: 700; }
.demo-nav-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .72; }
.demo-sidebar-foot { padding: 14px; border-top: 1px solid var(--demo-line-strong); }
.demo-demo-badge { display: flex; align-items: center; gap: 7px; padding: 9px; border-radius: 8px; background: var(--demo-surface); color: var(--demo-text-3); font-size: 11px; line-height: 1.4; box-shadow: var(--demo-shadow); }
.demo-demo-badge i { width: 7px; height: 7px; flex: none; border-radius: 50%; background: var(--demo-success); }

.demo-main { display: flex; flex: 1; min-width: 0; flex-direction: column; }
.demo-topbar { min-height: 56px; display: flex; align-items: center; gap: 12px; padding: 10px 24px; background: var(--demo-surface); border-bottom: 1px solid var(--demo-line); }
.demo-crumb { min-width: 0; color: var(--demo-text-3); font-size: 12px; }
.demo-crumb strong { color: var(--demo-text); font-weight: 650; }
.demo-topbar-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.demo-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 32px; gap: 6px; padding: 0 11px; border: 1px solid var(--demo-line-strong); border-radius: 7px; background: var(--demo-surface); color: var(--demo-text-2); font-size: 12px; font-weight: 600; white-space: nowrap; }
.demo-btn:hover { background: var(--demo-surface-muted); color: var(--demo-text); text-decoration: none; }
.demo-btn-primary { border-color: var(--demo-primary); background: var(--demo-primary); color: #fff; }
html[data-demo-theme="dark"] .demo-btn-primary { color: #10161f; }
.demo-btn-primary:hover { border-color: var(--demo-primary-hover); background: var(--demo-primary-hover); color: #fff; }
html[data-demo-theme="dark"] .demo-btn-primary:hover { color: #10161f; }
.demo-btn-quiet { border-color: transparent; background: transparent; color: var(--demo-text-3); }
.demo-btn-quiet:hover { background: var(--demo-surface-muted); color: var(--demo-text); }
.demo-notice { display: flex; align-items: flex-start; gap: 9px; margin: 18px 24px 0; padding: 10px 12px; border: 1px solid var(--demo-primary-soft); border-radius: var(--demo-radius-sm); background: var(--demo-primary-soft); color: var(--demo-primary-hover); font-size: 12px; }
.demo-notice b { font-weight: 750; }
.demo-notice-mark { flex: none; width: 17px; height: 17px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-size: 11px; font-weight: 800; }
.demo-page { flex: 1; padding: 26px 24px 48px; }
.demo-page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.demo-page-head h1 { margin: 0; color: var(--demo-text); font-size: 24px; line-height: 1.25; letter-spacing: -.025em; }
.demo-page-head p { max-width: 720px; margin: 7px 0 0; color: var(--demo-text-3); font-size: 13px; }
.demo-page-actions { display: flex; flex-wrap: wrap; gap: 8px; flex: none; }

.demo-grid { display: grid; gap: 16px; }
.demo-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.demo-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.demo-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.demo-grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.demo-card { min-width: 0; overflow: hidden; border: 1px solid var(--demo-line); border-radius: var(--demo-radius); background: var(--demo-surface); box-shadow: var(--demo-shadow); }
.demo-card-head { display: flex; align-items: center; gap: 10px; min-height: 48px; padding: 12px 15px; border-bottom: 1px solid var(--demo-line); }
.demo-card-head h2 { margin: 0; color: var(--demo-text); font-size: 14px; font-weight: 750; }
.demo-card-head .demo-card-side { margin-left: auto; color: var(--demo-text-3); font-size: 11px; }
.demo-card-body { padding: 16px; }
.demo-card-foot { display: flex; align-items: center; gap: 10px; padding: 11px 15px; border-top: 1px solid var(--demo-line); color: var(--demo-text-3); font-size: 12px; }
.demo-stat { display: flex; flex-direction: column; min-height: 126px; gap: 8px; padding: 16px; }
.demo-stat-label { color: var(--demo-text-3); font-size: 12px; }
.demo-stat-value { color: var(--demo-text); font-size: 28px; font-weight: 760; letter-spacing: -.035em; line-height: 1; font-variant-numeric: tabular-nums; }
.demo-stat-value small { margin-left: 2px; color: var(--demo-text-3); font-size: 13px; font-weight: 600; letter-spacing: 0; }
.demo-stat-note { margin-top: auto; color: var(--demo-text-3); font-size: 11px; }
.demo-stat-note .up { color: var(--demo-success); font-weight: 700; }
.demo-status { display: inline-flex; align-items: center; gap: 5px; width: fit-content; padding: 2px 7px; border: 1px solid var(--demo-line); border-radius: 999px; background: var(--demo-surface-muted); color: var(--demo-text-3); font-size: 11px; font-weight: 650; }
.demo-status::before { width: 5px; height: 5px; border-radius: 50%; background: currentColor; content: ""; }
.demo-status-success { border-color: color-mix(in srgb, var(--demo-success) 30%, var(--demo-line)); background: var(--demo-success-soft); color: var(--demo-success); }
.demo-status-warning { border-color: color-mix(in srgb, var(--demo-warning) 30%, var(--demo-line)); background: var(--demo-warning-soft); color: var(--demo-warning); }
.demo-status-danger { border-color: color-mix(in srgb, var(--demo-danger) 30%, var(--demo-line)); background: var(--demo-danger-soft); color: var(--demo-danger); }
.demo-meta { color: var(--demo-text-3); font-size: 12px; }
.demo-kicker { margin-bottom: 7px; color: var(--demo-primary); font-size: 11px; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.demo-progress { height: 8px; overflow: hidden; border-radius: 999px; background: var(--demo-surface-muted); }
.demo-progress > span { display: block; height: 100%; border-radius: inherit; background: var(--demo-primary); }
.demo-list { display: flex; flex-direction: column; padding: 2px 0; }
.demo-list-row { display: flex; align-items: center; gap: 10px; padding: 11px 15px; border-bottom: 1px solid var(--demo-line); }
.demo-list-row:last-child { border-bottom: 0; }
.demo-list-row-title { min-width: 0; flex: 1; color: var(--demo-text-2); font-size: 13px; }
.demo-list-row-title b { color: var(--demo-text); font-weight: 700; }
.demo-list-row-meta { margin-top: 2px; overflow: hidden; color: var(--demo-text-3); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.demo-avatar { width: 28px; height: 28px; flex: none; display: grid; place-items: center; border-radius: 50%; background: var(--demo-primary); color: #fff; font-size: 11px; font-weight: 750; }
.demo-avatar.alt { background: #8a73c9; }
.demo-avatar.mint { background: #359d87; }
.demo-avatar.gray { background: #74839a; }
.demo-icon-box { width: 34px; height: 34px; flex: none; display: grid; place-items: center; border-radius: 9px; background: var(--demo-primary-soft); color: var(--demo-primary-hover); font-size: 14px; font-weight: 750; }
.demo-alert { display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px; border: 1px solid color-mix(in srgb, var(--demo-warning) 30%, var(--demo-line)); border-radius: var(--demo-radius-sm); background: var(--demo-warning-soft); color: var(--demo-warning); font-size: 12px; }
.demo-alert strong { font-weight: 750; }

.demo-flow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.demo-flow-step { position: relative; padding: 17px; border: 1px solid var(--demo-line); border-radius: var(--demo-radius-sm); background: var(--demo-surface-muted); }
.demo-flow-num { display: block; margin-bottom: 16px; color: var(--demo-primary); font: 700 11px/1 var(--demo-mono); }
.demo-flow-step h3 { margin: 0 0 5px; font-size: 13px; }
.demo-flow-step p { margin: 0; color: var(--demo-text-3); font-size: 12px; }
.demo-mini-bars { display: flex; align-items: end; height: 152px; gap: 6px; padding: 16px 4px 0; border-bottom: 1px solid var(--demo-line); }
.demo-mini-bars i { flex: 1; min-width: 8px; border-radius: 4px 4px 0 0; background: var(--demo-primary); opacity: .85; }
.demo-mini-bars i:nth-child(3n) { background: #6da4ef; }
.demo-mini-bars i:nth-child(4n) { background: #a8c8f3; }
.demo-legend { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 12px; color: var(--demo-text-3); font-size: 11px; }
.demo-legend span { display: inline-flex; align-items: center; gap: 5px; }
.demo-legend i { width: 7px; height: 7px; border-radius: 2px; background: var(--demo-primary); }

.demo-conversation-app { display: grid; grid-template-columns: 270px minmax(320px, 1fr) 250px; min-height: 620px; overflow: hidden; border: 1px solid var(--demo-line); border-radius: var(--demo-radius); background: var(--demo-surface); box-shadow: var(--demo-shadow); }
.demo-conv-column, .demo-info-column { display: flex; min-width: 0; flex-direction: column; background: var(--demo-surface); }
.demo-conv-column { border-right: 1px solid var(--demo-line); }
.demo-info-column { border-left: 1px solid var(--demo-line); }
.demo-column-title { padding: 12px 14px; border-bottom: 1px solid var(--demo-line); color: var(--demo-text-3); font-size: 11px; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.demo-column-search { padding: 10px; border-bottom: 1px solid var(--demo-line); }
.demo-input { width: 100%; min-height: 32px; padding: 0 10px; border: 1px solid var(--demo-line-strong); border-radius: 7px; background: var(--demo-surface-muted); color: var(--demo-text); font-size: 12px; }
.demo-input:focus { border-color: var(--demo-primary); background: var(--demo-surface); outline: none; }
.demo-conversation-list { overflow-y: auto; }
.demo-conversation-item { width: 100%; display: block; padding: 12px 13px; border: 0; border-bottom: 1px solid var(--demo-line); background: transparent; color: var(--demo-text-2); text-align: left; }
.demo-conversation-item:hover { background: var(--demo-surface-muted); }
.demo-conversation-item.is-active { padding-left: 10px; border-left: 3px solid var(--demo-primary); background: var(--demo-primary-soft); }
.demo-conversation-name { display: flex; align-items: center; gap: 6px; color: var(--demo-text); font-size: 12px; font-weight: 700; }
.demo-conversation-time { margin-left: auto; color: var(--demo-text-3); font-size: 10px; font-weight: 500; }
.demo-conversation-snippet { display: block; overflow: hidden; margin-top: 5px; color: var(--demo-text-3); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.demo-conversation-tag { display: inline-flex; margin-top: 6px; padding: 1px 5px; border: 1px solid var(--demo-line); border-radius: 4px; color: var(--demo-text-3); font-size: 10px; }
.demo-timeline-column { display: flex; min-width: 0; flex-direction: column; background: var(--demo-surface-muted); }
.demo-timeline-top { display: flex; align-items: center; gap: 10px; min-height: 49px; padding: 10px 15px; border-bottom: 1px solid var(--demo-line); background: var(--demo-surface); }
.demo-timeline-title { min-width: 0; overflow: hidden; color: var(--demo-text); font-size: 13px; font-weight: 750; text-overflow: ellipsis; white-space: nowrap; }
.demo-timeline-top span { margin-left: auto; color: var(--demo-text-3); font-size: 11px; }
.demo-timeline { flex: 1; overflow-y: auto; padding: 18px; }
.demo-day-divider { display: flex; align-items: center; justify-content: center; margin: 3px 0 16px; color: var(--demo-text-3); font-size: 10px; }
.demo-day-divider::before, .demo-day-divider::after { width: 40px; height: 1px; margin: 0 8px; background: var(--demo-line-strong); content: ""; }
.demo-message { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; margin-bottom: 15px; }
.demo-message.is-self { align-items: flex-end; }
.demo-message-meta { color: var(--demo-text-3); font-size: 10px; }
.demo-message.is-self .demo-message-meta { color: var(--demo-primary-hover); }
.demo-bubble { max-width: min(82%, 510px); padding: 9px 11px; border: 1px solid var(--demo-line); border-radius: 10px 10px 10px 3px; background: var(--demo-surface); color: var(--demo-text-2); font-size: 12px; line-height: 1.62; }
.demo-message.is-self .demo-bubble { border-color: color-mix(in srgb, var(--demo-primary) 22%, var(--demo-line)); border-radius: 10px 10px 3px 10px; background: var(--demo-primary-soft); color: var(--demo-text); }
.demo-bubble-file { display: flex; align-items: center; gap: 8px; min-width: 210px; }
.demo-file-glyph { width: 28px; height: 31px; display: grid; place-items: center; border-radius: 5px; background: var(--demo-warning-soft); color: var(--demo-warning); font-size: 10px; font-weight: 800; }
.demo-timeline-foot { padding: 10px 15px; border-top: 1px solid var(--demo-line); background: var(--demo-surface); color: var(--demo-text-3); font-size: 11px; }
.demo-info-section { padding: 14px; border-bottom: 1px solid var(--demo-line); }
.demo-info-section h3 { margin: 0 0 10px; color: var(--demo-text-3); font-size: 10px; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.demo-info-kv { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.demo-info-stat { padding: 9px; border: 1px solid var(--demo-line); border-radius: 8px; background: var(--demo-surface-muted); }
.demo-info-stat span { display: block; color: var(--demo-text-3); font-size: 10px; }
.demo-info-stat b { display: block; margin-top: 3px; color: var(--demo-text); font-size: 14px; }
.demo-participant { display: flex; align-items: center; gap: 8px; padding: 6px 0; }
.demo-participant-name { min-width: 0; flex: 1; overflow: hidden; color: var(--demo-text-2); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.demo-participant-tag { padding: 1px 5px; border-radius: 4px; background: var(--demo-surface-muted); color: var(--demo-text-3); font-size: 10px; }
.demo-hash { display: block; overflow-wrap: anywhere; color: var(--demo-text-3); font: 10px/1.55 var(--demo-mono); }

.demo-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 13px; }
.demo-toolbar .demo-input { width: min(420px, 100%); }
.demo-chip { min-height: 29px; padding: 0 9px; border: 1px solid var(--demo-line-strong); border-radius: 6px; background: var(--demo-surface); color: var(--demo-text-3); font-size: 11px; }
.demo-chip:hover { background: var(--demo-surface-muted); }
.demo-chip.is-active { border-color: var(--demo-primary); background: var(--demo-primary-soft); color: var(--demo-primary-hover); font-weight: 700; }
.demo-toolbar-side { display: flex; align-items: center; gap: 8px; margin-left: auto; color: var(--demo-text-3); font-size: 11px; }
.demo-search-result { padding: 14px 15px; border-bottom: 1px solid var(--demo-line); }
.demo-search-result:last-child { border-bottom: 0; }
.demo-search-result-head { display: flex; align-items: center; gap: 7px; color: var(--demo-text-3); font-size: 11px; }
.demo-search-result-head b { overflow: hidden; color: var(--demo-text); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.demo-search-result-head time { margin-left: auto; flex: none; color: var(--demo-text-3); }
.demo-search-result p { margin: 8px 0 0; color: var(--demo-text-2); font-size: 13px; }
.demo-search-result mark { padding: 0 1px; border-radius: 2px; background: var(--demo-warning-soft); color: var(--demo-warning); font-weight: 750; }
.demo-search-result-foot { display: flex; gap: 8px; margin-top: 8px; color: var(--demo-text-3); font: 10px var(--demo-mono); }

.demo-table-wrap { overflow-x: auto; border: 1px solid var(--demo-line); border-radius: var(--demo-radius); background: var(--demo-surface); box-shadow: var(--demo-shadow); }
.demo-table { width: 100%; min-width: 720px; border-collapse: collapse; }
.demo-table th { padding: 10px 13px; border-bottom: 1px solid var(--demo-line); background: var(--demo-surface-muted); color: var(--demo-text-3); font-size: 10px; font-weight: 750; letter-spacing: .05em; text-align: left; text-transform: uppercase; white-space: nowrap; }
.demo-table td { padding: 12px 13px; border-bottom: 1px solid var(--demo-line); color: var(--demo-text-2); font-size: 12px; vertical-align: middle; }
.demo-table tr:last-child td { border-bottom: 0; }
.demo-table tbody tr:hover td { background: var(--demo-surface-muted); }
.demo-cell-main { display: block; color: var(--demo-text); font-weight: 700; }
.demo-cell-sub { display: block; margin-top: 2px; color: var(--demo-text-3); font-size: 10px; }
.demo-tag { display: inline-flex; align-items: center; padding: 2px 6px; border: 1px solid var(--demo-line); border-radius: 4px; background: var(--demo-surface-muted); color: var(--demo-text-3); font-size: 10px; font-weight: 650; }
.demo-tag-blue { border-color: color-mix(in srgb, var(--demo-primary) 24%, var(--demo-line)); background: var(--demo-primary-soft); color: var(--demo-primary-hover); }
.demo-tag-green { border-color: color-mix(in srgb, var(--demo-success) 25%, var(--demo-line)); background: var(--demo-success-soft); color: var(--demo-success); }
.demo-tag-red { border-color: color-mix(in srgb, var(--demo-danger) 25%, var(--demo-line)); background: var(--demo-danger-soft); color: var(--demo-danger); }

.demo-contact-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 16px; }
.demo-contact-profile { padding: 17px; }
.demo-profile-head { display: flex; align-items: center; gap: 11px; padding-bottom: 15px; border-bottom: 1px solid var(--demo-line); }
.demo-profile-head .demo-avatar { width: 40px; height: 40px; font-size: 14px; }
.demo-profile-name { color: var(--demo-text); font-size: 16px; font-weight: 750; }
.demo-profile-company { margin-top: 2px; color: var(--demo-text-3); font-size: 12px; }
.demo-profile-block { padding: 14px 0; border-bottom: 1px solid var(--demo-line); }
.demo-profile-block:last-child { padding-bottom: 0; border-bottom: 0; }
.demo-profile-block h3 { margin: 0 0 8px; color: var(--demo-text-3); font-size: 10px; letter-spacing: .05em; text-transform: uppercase; }
.demo-profile-block p { margin: 0; color: var(--demo-text-2); font-size: 12px; }

.demo-media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(185px, 1fr)); gap: 14px; }
.demo-media-card { overflow: hidden; border: 1px solid var(--demo-line); border-radius: var(--demo-radius); background: var(--demo-surface); box-shadow: var(--demo-shadow); }
.demo-media-preview { position: relative; min-height: 126px; display: grid; place-items: center; overflow: hidden; background: repeating-linear-gradient(135deg, var(--demo-surface-muted), var(--demo-surface-muted) 9px, color-mix(in srgb, var(--demo-surface-muted) 75%, var(--demo-line)) 9px, color-mix(in srgb, var(--demo-surface-muted) 75%, var(--demo-line)) 18px); color: var(--demo-text-3); font: 700 11px var(--demo-mono); }
.demo-media-preview::after { position: absolute; top: 9px; left: 9px; padding: 2px 6px; border: 1px solid var(--demo-line); border-radius: 4px; background: var(--demo-surface); color: var(--demo-text-3); font: 650 10px var(--demo-font); content: attr(data-kind); }
.demo-media-preview strong { color: var(--demo-primary-hover); font-size: 22px; }
.demo-media-body { padding: 11px; }
.demo-media-name { overflow: hidden; color: var(--demo-text); font-size: 12px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.demo-media-meta { overflow: hidden; margin-top: 3px; color: var(--demo-text-3); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.demo-media-foot { display: flex; align-items: center; padding: 8px 11px; border-top: 1px solid var(--demo-line); color: var(--demo-text-3); font-size: 10px; }
.demo-media-foot button { margin-left: auto; padding: 0; border: 0; background: transparent; color: var(--demo-primary); font-size: 10px; font-weight: 700; }

.demo-analytics-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(270px, 1fr); gap: 16px; }
.demo-bar-list { display: flex; flex-direction: column; gap: 12px; }
.demo-bar-row { display: grid; grid-template-columns: 85px minmax(100px, 1fr) 55px; align-items: center; gap: 10px; color: var(--demo-text-2); font-size: 12px; }
.demo-bar-row .demo-progress { height: 9px; }
.demo-bar-row b { color: var(--demo-text-3); font: 10px var(--demo-mono); text-align: right; }
.demo-capacity-price { display: flex; align-items: baseline; gap: 5px; margin: 2px 0 12px; color: var(--demo-text); }
.demo-capacity-price strong { font-size: 30px; letter-spacing: -.04em; }
.demo-capacity-price span { color: var(--demo-text-3); font-size: 12px; }
.demo-rule-list { display: flex; flex-direction: column; gap: 9px; margin: 0; padding: 0; list-style: none; }
.demo-rule-list li { position: relative; padding-left: 15px; color: var(--demo-text-2); font-size: 12px; }
.demo-rule-list li::before { position: absolute; top: 8px; left: 1px; width: 5px; height: 5px; border-radius: 50%; background: var(--demo-primary); content: ""; }

.demo-toast { position: fixed; z-index: 20; right: 20px; bottom: 20px; max-width: min(380px, calc(100vw - 40px)); padding: 11px 13px; border: 1px solid var(--demo-line-strong); border-radius: 9px; background: var(--demo-surface); color: var(--demo-text-2); box-shadow: 0 12px 30px rgba(0, 0, 0, .16); font-size: 12px; transform: translateY(18px); opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease; }
.demo-toast.is-visible { transform: translateY(0); opacity: 1; }
.demo-modal-backdrop { position: fixed; z-index: 30; inset: 0; display: grid; place-items: center; padding: 20px; background: rgba(9, 19, 31, .55); }
.demo-modal { width: min(460px, 100%); border: 1px solid var(--demo-line); border-radius: var(--demo-radius); background: var(--demo-surface); box-shadow: 0 22px 50px rgba(0,0,0,.28); }
.demo-modal header { display: flex; align-items: center; gap: 10px; padding: 15px 17px; border-bottom: 1px solid var(--demo-line); }
.demo-modal h2 { margin: 0; font-size: 15px; }
.demo-modal p { padding: 17px; margin: 0; color: var(--demo-text-2); font-size: 13px; }
.demo-modal footer { display: flex; justify-content: flex-end; padding: 12px 17px; border-top: 1px solid var(--demo-line); }

@media (max-width: 1220px) {
  .demo-grid-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .demo-conversation-app { grid-template-columns: 235px minmax(300px, 1fr) 220px; }
}
@media (max-width: 1000px) {
  .demo-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .demo-contact-layout, .demo-analytics-layout { grid-template-columns: 1fr; }
  .demo-conversation-app { grid-template-columns: 230px minmax(0, 1fr); }
  .demo-info-column { display: none; }
}
@media (max-width: 820px) {
  .demo-shell { display: block; }
  .demo-sidebar { width: 100%; min-height: 0; border-right: 0; border-bottom: 1px solid var(--demo-line-strong); }
  .demo-brand { padding: 13px 16px; }
  .demo-nav { display: flex; overflow-x: auto; gap: 4px; padding: 0 10px 11px; }
  .demo-nav-group { display: none; }
  .demo-nav-item { flex: none; margin: 0; }
  .demo-sidebar-foot { display: none; }
  .demo-topbar { padding: 9px 16px; }
  .demo-notice { margin: 14px 16px 0; }
  .demo-page { padding: 21px 16px 36px; }
  .demo-page-head { flex-direction: column; }
  .demo-topbar-actions .demo-btn:not(.demo-btn-primary) { display: none; }
}
@media (max-width: 650px) {
  .demo-grid-2, .demo-grid-3, .demo-grid-4, .demo-grid-5, .demo-flow { grid-template-columns: 1fr; }
  .demo-page-head h1 { font-size: 21px; }
  .demo-conversation-app { display: block; min-height: 0; }
  .demo-conv-column { max-height: 260px; border-right: 0; border-bottom: 1px solid var(--demo-line); }
  .demo-timeline-column { min-height: 490px; }
  .demo-toolbar-side { width: 100%; margin-left: 0; }
  .demo-toolbar .demo-input { flex: 1 0 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .demo-toast { transition: none; }
}