/* Lakshaya demo app: shell and shared components.
   Mirrors the real product's look (Ant Design based): dark navy sidebar,
   blue primary, 6px radii, white cards on a light grey canvas. */

:root {
  --primary: #2b6de9;
  --primary-hover: #4c86f0;
  --primary-active: #1f56c4;
  --primary-soft: #e8f0fe;
  --primary-border: #b6cdf8;
  --success: #52c41a;
  --success-soft: #f0f9e8;
  --success-text: #389e0d;
  --warning: #faad14;
  --warning-soft: #fff7e6;
  --warning-text: #d48806;
  --danger: #ff4d4f;
  --danger-soft: #fff1f0;
  --danger-text: #cf1322;
  --purple: #722ed1;
  --purple-soft: #f9f0ff;
  --text: #1f1f1f;
  --text-2: #595959;
  --text-3: #8c8c8c;
  --text-4: #bfbfbf;
  --border: #e5e7eb;
  --border-2: #d9d9d9;
  --bg: #f5f6f8;
  --card: #ffffff;
  --fill: #f5f5f5;
  --fill-2: #fafafa;
  --sider: #0b1a33;
  --sider-2: #13264a;
  --sider-text: #a8b3c7;
  --radius: 6px;
  --radius-lg: 8px;
  --shadow: 0 6px 16px rgba(0, 0, 0, 0.08), 0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 9px 28px 8px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 6px -1px rgba(0, 0, 0, 0.03);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mono: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  --sider-w: 200px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; }
body { font-family: var(--font); font-size: 14px; line-height: 1.5715; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; cursor: pointer; }
a:hover { color: var(--primary-hover); }
h1, h2, h3, h4 { margin: 0; font-weight: 600; color: var(--text); }
p { margin: 0; }
button { font: inherit; }
input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--primary-soft); }

/* ---------------- layout ---------------- */
.app { display: flex; min-height: 100vh; }
.sider { position: fixed; inset: 0 auto 0 0; width: var(--sider-w); background: var(--sider); color: var(--sider-text); display: flex; flex-direction: column; z-index: 20; transition: width .2s; }
.app.collapsed { --sider-w: 64px; }
.sider-brand { display: flex; align-items: center; gap: 10px; height: 56px; padding: 0 16px; color: #fff; font-weight: 600; font-size: 16px; white-space: nowrap; overflow: hidden; }
.logo { width: 28px; height: 28px; flex: none; display: block; object-fit: contain; }
.sider-nav { flex: 1; overflow-y: auto; padding: 6px 8px; display: flex; flex-direction: column; gap: 2px; }
.nav-item { display: flex; align-items: center; gap: 10px; height: 40px; padding: 0 12px; border-radius: var(--radius); color: var(--sider-text); cursor: pointer; white-space: nowrap; overflow: hidden; user-select: none; }
.nav-item:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-item svg { width: 16px; height: 16px; flex: none; }
.nav-item .badge { margin-left: auto; }
.nav-sep { height: 1px; margin: 8px 6px; background: rgba(255, 255, 255, 0.08); }
.sider-foot { padding: 8px; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.main { flex: 1; min-width: 0; margin-left: var(--sider-w); transition: margin-left .2s; display: flex; flex-direction: column; }
.header { position: sticky; top: 0; z-index: 15; height: 56px; display: flex; align-items: center; gap: 12px; padding: 0 20px; background: #fff; border-bottom: 1px solid var(--border); }
.collapse-btn { width: 28px; height: 28px; border: 0; background: var(--fill); border-radius: 50%; cursor: pointer; display: grid; place-items: center; color: var(--text-2); margin-left: -34px; box-shadow: var(--shadow-sm); }
.search { display: flex; align-items: center; gap: 8px; width: 280px; height: 32px; padding: 0 10px; border: 1px solid var(--border-2); border-radius: var(--radius); color: var(--text-3); cursor: text; background: #fff; }
.search > svg { width: 14px; height: 14px; flex: none; }
.search kbd { margin-left: auto; font: 11px var(--mono); color: var(--text-3); border: 1px solid var(--border); border-radius: 4px; padding: 0 5px; }
.header-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.demo-pill { font-size: 12px; color: var(--purple); background: var(--purple-soft); border: 1px solid #d3adf7; border-radius: 999px; padding: 1px 10px; }
.page { padding: 20px 24px 48px; max-width: 1400px; width: 100%; }
.page-head { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 16px; }
.page-head h1 { font-size: 20px; line-height: 28px; }
.page-head .sub { color: var(--text-3); font-size: 13px; margin-top: 2px; }
.page-head .actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------------- buttons ---------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 32px; padding: 0 15px; border-radius: var(--radius); border: 1px solid var(--border-2); background: #fff; color: var(--text); cursor: pointer; white-space: nowrap; transition: color .2s, border-color .2s, background-color .2s; font-size: 14px; }
.btn:hover { color: var(--primary-hover); border-color: var(--primary-hover); }
.btn:active { color: var(--primary-active); border-color: var(--primary-active); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 2px 0 rgba(5, 145, 255, 0.1); }
.btn.primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.danger:hover { color: #ff7875; border-color: #ff7875; }
.btn.danger.primary { background: var(--danger); color: #fff; }
.btn.text { border-color: transparent; background: transparent; box-shadow: none; }
.btn.text:hover { background: var(--fill); color: var(--text); }
.btn.link { border-color: transparent; background: transparent; color: var(--primary); padding: 0 4px; }
.btn.link:hover { color: var(--primary-hover); }
.btn.sm { height: 24px; padding: 0 7px; font-size: 13px; }
.btn.lg { height: 40px; padding: 0 15px; font-size: 16px; }
.btn.block { width: 100%; }
.btn.icon { width: 32px; padding: 0; }
.btn.sm.icon { width: 24px; }
.btn:disabled, .btn.disabled { color: var(--text-4); border-color: var(--border-2); background: var(--fill); cursor: not-allowed; box-shadow: none; }
.btn.gradient { border: 0; color: #fff; background: linear-gradient(135deg, #6a5cff, #c03fd4); }
.btn svg { width: 14px; height: 14px; }

/* ---------------- forms ---------------- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field > label { font-size: 14px; color: var(--text); }
.field > label .req { color: var(--danger); margin-right: 4px; }
.field .help { font-size: 12px; color: var(--text-3); }
.field .err { font-size: 12px; color: var(--danger); }
.input, .select, .textarea { width: 100%; height: 32px; padding: 4px 11px; border: 1px solid var(--border-2); border-radius: var(--radius); background: #fff; transition: border-color .2s, box-shadow .2s; outline: none; }
.textarea { height: auto; min-height: 72px; resize: vertical; line-height: 1.5; padding: 6px 11px; }
.input:hover, .select:hover, .textarea:hover { border-color: var(--primary-hover); }
.input:focus, .select:focus, .textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(5, 145, 255, 0.1); }
.input.sm, .select.sm { height: 24px; padding: 0 7px; font-size: 13px; }
.input:disabled, .select:disabled, .textarea:disabled { background: var(--fill); color: var(--text-3); cursor: not-allowed; }
.input-group { display: flex; }
.input-group .input { border-radius: var(--radius) 0 0 var(--radius); }
.input-group .addon { display: flex; align-items: center; padding: 0 11px; border: 1px solid var(--border-2); border-left: 0; background: var(--fill-2); color: var(--text-2); border-radius: 0 var(--radius) var(--radius) 0; white-space: nowrap; }
.input-group .btn { border-radius: 0 var(--radius) var(--radius) 0; }
.row { display: flex; gap: 12px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.row.top { align-items: flex-start; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 16px; }
.seg { display: inline-flex; padding: 2px; background: var(--fill); border-radius: var(--radius); gap: 2px; }
.seg button { border: 0; background: transparent; height: 28px; padding: 0 11px; border-radius: 4px; cursor: pointer; color: var(--text-2); }
.seg button.on { background: #fff; color: var(--text); box-shadow: var(--shadow-sm); }
.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--primary); margin: 0; }
.switch { position: relative; width: 44px; height: 22px; flex: none; border-radius: 999px; background: rgba(0, 0, 0, 0.25); border: 0; cursor: pointer; transition: background .2s; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: transform .2s; box-shadow: 0 2px 4px rgba(0, 35, 11, 0.2); }
.switch.on { background: var(--primary); }
.switch.on::after { transform: translateX(22px); }
.switch:disabled { opacity: .4; cursor: not-allowed; }
.radio-list { display: flex; flex-direction: column; gap: 8px; }
.radio { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.radio input { width: 16px; height: 16px; margin: 0; accent-color: var(--primary); }
.slider { width: 100%; accent-color: var(--primary); }

/* ---------------- surfaces ---------------- */
.card { background: var(--card); border-radius: var(--radius-lg); border: 1px solid var(--border); }
.card-head { display: flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 20px; border-bottom: 1px solid var(--border); }
.card-head h3 { font-size: 15px; }
.card-head > svg { width: 16px; height: 16px; flex: none; color: var(--text-2); }
.card-head .extra { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.card-body { padding: 16px 20px; }
.card.pad { padding: 16px 20px; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.stack.sm { gap: 8px; }
.cards { display: grid; gap: 16px; }
.cards.c2 { grid-template-columns: 1fr 1fr; }
.cards.c3 { grid-template-columns: repeat(3, 1fr); }
.cards.c4 { grid-template-columns: repeat(4, 1fr); }
.stat { background: var(--fill-2); border-radius: var(--radius); padding: 12px 14px; }
.stat .k { color: var(--text-3); font-size: 13px; }
.stat .v { font-size: 24px; font-weight: 500; line-height: 1.3; }
.stat .v small { font-size: 13px; color: var(--text-3); font-weight: 400; }
.muted { color: var(--text-3); }
.muted2 { color: var(--text-2); }
.small { font-size: 12px; }
.mono { font-family: var(--mono); font-size: 12px; }
.strong { font-weight: 600; }
.ellipsis { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.divider { height: 1px; background: var(--border); margin: 16px 0; }
.alert { display: flex; gap: 10px; padding: 9px 14px; border-radius: var(--radius-lg); border: 1px solid; }
.alert.info { background: var(--primary-soft); border-color: var(--primary-border); }
.alert.warn { background: var(--warning-soft); border-color: #ffe58f; }
.alert.success { background: var(--success-soft); border-color: #b7eb8f; }
.alert.error { background: var(--danger-soft); border-color: #ffccc7; }
.alert .t { font-weight: 500; }
.alert > svg { width: 16px; height: 16px; flex: none; margin-top: 3px; }
.empty { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 32px 16px; color: var(--text-3); text-align: center; }
.empty svg { width: 64px; height: 41px; }

/* ---------------- tags, badges, avatars ---------------- */
.tag { display: inline-flex; align-items: center; gap: 4px; height: 22px; padding: 0 7px; font-size: 12px; line-height: 20px; border-radius: 4px; border: 1px solid var(--border-2); background: var(--fill-2); color: var(--text); white-space: nowrap; }
.tag.blue { color: #0958d9; background: #e6f4ff; border-color: #91caff; }
.tag.green { color: var(--success-text); background: var(--success-soft); border-color: #b7eb8f; }
.tag.orange { color: var(--warning-text); background: var(--warning-soft); border-color: #ffd591; }
.tag.red { color: var(--danger-text); background: var(--danger-soft); border-color: #ffa39e; }
.tag.purple { color: #531dab; background: var(--purple-soft); border-color: #d3adf7; }
.tag.gray { color: var(--text-2); background: var(--fill); border-color: var(--border-2); }
.tag.borderless { border-color: transparent; }
.badge { min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px; background: var(--danger); color: #fff; font-size: 12px; line-height: 20px; text-align: center; }
.badge.blue { background: var(--primary); }
.dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--text-4); }
.avatar { width: 28px; height: 28px; flex: none; border-radius: 50%; display: inline-grid; place-items: center; font-size: 12px; font-weight: 500; color: #fff; background: #87a3d9; user-select: none; }
.avatar.sm { width: 22px; height: 22px; font-size: 10px; }
.avatar.lg { width: 40px; height: 40px; font-size: 15px; }
.avatar.img { background-size: cover !important; background-position: center !important; color: transparent; }
.person { display: inline-flex; align-items: center; gap: 8px; min-width: 0; }

/* ---------------- progress ---------------- */
.bar { position: relative; height: 8px; border-radius: 999px; background: rgba(0, 0, 0, 0.06); overflow: visible; }
.bar > i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 999px; background: var(--primary); }
.bar > i.green { background: var(--success); } .bar > i.orange { background: var(--warning); } .bar > i.red { background: var(--danger); } .bar > i.gray { background: #9aa4b2; }
.bar > b { position: absolute; top: -4px; width: 2px; height: 16px; border-radius: 1px; background: var(--text); }
.bar.thin { height: 6px; }
.pct { font-variant-numeric: tabular-nums; }

/* ---------------- tables ---------------- */
.table { width: 100%; border-collapse: separate; border-spacing: 0; }
.table th { text-align: left; font-weight: 600; font-size: 13px; padding: 12px; background: var(--fill-2); border-bottom: 1px solid var(--border); color: var(--text); white-space: nowrap; }
.table td { padding: 12px; border-bottom: 1px solid #f0f0f0; vertical-align: middle; }
.table tr:hover td { background: var(--fill-2); }
.table tr.clickable { cursor: pointer; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table.compact th, .table.compact td { padding: 8px 10px; }

/* ---------------- tabs ---------------- */
.tabs { display: flex; gap: 28px; border-bottom: 1px solid var(--border); margin-bottom: 16px; overflow-x: auto; }
.tabs button { position: relative; border: 0; background: none; padding: 10px 0; cursor: pointer; color: var(--text-2); white-space: nowrap; }
.tabs button:hover { color: var(--primary-hover); }
.tabs button.on { color: var(--primary); }
.tabs button.on::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--primary); }
.vtabs { display: flex; flex-direction: column; gap: 2px; border-right: 1px solid var(--border); padding-right: 8px; }
.vtabs button { display: flex; align-items: center; gap: 8px; border: 0; background: none; text-align: left; padding: 8px 12px; border-radius: var(--radius); cursor: pointer; color: var(--text-2); }
.vtabs button.on { background: var(--primary-soft); color: var(--primary); }

/* ---------------- overlays ---------------- */
.mask { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.45); z-index: 100; animation: fade .2s; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; z-index: 101; width: min(var(--w, 720px), 100vw); background: #fff; display: flex; flex-direction: column; box-shadow: -6px 0 16px rgba(0, 0, 0, 0.08); animation: slide .25s cubic-bezier(.23, 1, .32, 1); }
.drawer-head { display: flex; align-items: center; gap: 12px; padding: 14px 24px; border-bottom: 1px solid var(--border); }
.drawer-head h2 { font-size: 16px; flex: 1; }
.drawer-body { flex: 1; overflow-y: auto; padding: 20px 24px; }
.drawer-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 10px 16px; border-top: 1px solid var(--border); }
.x { width: 28px; height: 28px; border: 0; background: none; border-radius: var(--radius); cursor: pointer; color: var(--text-3); display: grid; place-items: center; font-size: 18px; }
.x:hover { background: var(--fill); color: var(--text); }
.modal-wrap { position: fixed; inset: 0; z-index: 102; display: grid; place-items: start center; padding: 80px 16px; overflow-y: auto; }
.modal { width: min(var(--w, 520px), 100%); background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow); animation: pop .2s; }
.modal-head { display: flex; align-items: center; padding: 16px 24px 0; }
.modal-head h2 { font-size: 16px; flex: 1; }
.modal-body { padding: 16px 24px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 0 24px 20px; }
.toasts { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow); animation: drop .25s; pointer-events: auto; }
.toast i { width: 16px; height: 16px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 11px; font-style: normal; }
.toast.success i { background: var(--success); } .toast.error i { background: var(--danger); } .toast.info i { background: var(--primary); } .toast.warn i { background: var(--warning); }
.menu { position: fixed; z-index: 150; min-width: 180px; padding: 4px; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow); animation: pop .15s; }
.menu button, .menu a { display: flex; align-items: center; gap: 8px; width: 100%; padding: 6px 12px; border: 0; background: none; border-radius: 4px; text-align: left; cursor: pointer; color: var(--text); }
.menu button:hover, .menu a:hover { background: var(--fill); }
.menu .danger { color: var(--danger); }
.menu .sep { height: 1px; background: var(--border); margin: 4px 0; }
.menu .label { padding: 4px 12px; font-size: 12px; color: var(--text-3); }
.tip { position: relative; }
@keyframes fade { from { opacity: 0; } }
@keyframes slide { from { transform: translateX(40px); opacity: 0; } }
@keyframes pop { from { transform: scale(.96); opacity: 0; } }
@keyframes drop { from { transform: translateY(-8px); opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 1s linear infinite; }
.typing::after { content: "▍"; animation: blink 1s steps(1) infinite; color: var(--primary); }
@keyframes blink { 50% { opacity: 0; } }

/* ---------------- login ---------------- */
.login { min-height: 100vh; display: grid; grid-template-columns: 1.1fr 1fr; background: #fff; }
.login-art { background: radial-gradient(120% 90% at 20% 10%, #2b6de9 0%, #0b1a33 60%); color: #fff; padding: 48px; display: flex; flex-direction: column; justify-content: space-between; }
.login-art h1 { color: #fff; font-size: 34px; line-height: 1.15; font-weight: 600; max-width: 26rem; }
.login-art p { color: rgba(255, 255, 255, 0.75); margin-top: 12px; max-width: 28rem; }
.login-form { display: grid; place-items: center; padding: 32px; }
.login-box { width: min(380px, 100%); }
.login-box h2 { font-size: 24px; margin-bottom: 4px; }
.cred { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 16px; }
.cred button { text-align: left; border: 1px solid var(--border); background: var(--fill-2); border-radius: var(--radius); padding: 8px 10px; cursor: pointer; }
.cred button:hover { border-color: var(--primary); background: var(--primary-soft); }
.cred b { display: block; font-size: 13px; }
.cred span { font-size: 12px; color: var(--text-3); }

/* ---------------- misc ---------------- */
.kbd { font: 11px var(--mono); border: 1px solid var(--border); border-radius: 4px; padding: 0 5px; color: var(--text-3); }
.chip-row { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { border: 1px solid var(--border-2); background: #fff; border-radius: 999px; padding: 2px 10px; font-size: 12px; cursor: pointer; color: var(--text-2); }
.chip:hover { border-color: var(--primary); color: var(--primary); }
.list-row { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid #f0f0f0; }
.list-row:last-child { border-bottom: 0; }
.clickable { cursor: pointer; }
.hover-bg:hover { background: var(--fill-2); }
.locked { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 64px 16px; text-align: center; }
.locked .ic { width: 56px; height: 56px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; font-size: 24px; }
.ro-banner { display: flex; align-items: center; gap: 8px; padding: 6px 24px; background: var(--warning-soft); border-bottom: 1px solid #ffe58f; font-size: 13px; color: #874d00; }

@media (max-width: 900px) {
  .app { --sider-w: 64px; }
  .sider .label-text, .sider-brand span { display: none; }
  .cards.c3, .cards.c4 { grid-template-columns: 1fr 1fr; }
  .cards.c2, .grid2, .grid3 { grid-template-columns: 1fr; }
  .search { display: none; }
  .login { grid-template-columns: 1fr; }
  .login-art { display: none; }
  .page { padding: 16px; }
}