/* Campus NEXT UI – Lumen-style components. Mobile first; colours only via tokens. */
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--color-background); color: var(--color-text);
  font: var(--d-font-body)/1.5 var(--font-family-base); -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary-text); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; font-weight: 600; }
h1 { font-size: var(--font-size-2xl); letter-spacing: -.01em; }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }
p { margin: 0 0 var(--space-3); }
.muted { color: var(--color-text-muted); }
.small { font-size: var(--font-size-sm); }
.mono { font-family: var(--font-family-mono); font-size: .92em; }
.nowrap { white-space: nowrap; }
.hidden { display: none !important; }
:focus-visible { outline: 3px solid var(--color-focus-ring); outline-offset: 1px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

svg.ic { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
svg.ic.sm { width: 15px; height: 15px; }
svg.ic.lg { width: 22px; height: 22px; }
img.ic { width: 18px; height: 18px; object-fit: contain; vertical-align: middle; }

/* ---------------------------------------------------------------- dev banner */
.dev-banner {
  background: #f79009; color: #fff; text-align: center; font-size: var(--font-size-xs); font-weight: 600;
  padding: 2px 8px;
}
.dev-banner-pre { background: #7a5af8; }

/* ---------------------------------------------------------------- shell */
.shell { display: grid; grid-template-columns: 1fr; min-height: calc(100vh - 20px); }
.sidebar {
  position: fixed; inset: 0 auto 0 0; width: var(--d-nav-w); z-index: 40; transform: translateX(-100%); transition: transform .2s;
  background: var(--color-surface); border-right: 1px solid var(--color-border); display: flex; flex-direction: column;
}
.shell.nav-open .sidebar { transform: none; box-shadow: var(--shadow-3); }
.sidebar-head { padding: var(--space-3); border-bottom: 1px solid var(--color-divider); display: grid; gap: var(--space-2); }
.mode-switch {
  display: flex; align-items: center; gap: var(--space-2); width: 100%; height: 38px; padding: 0 var(--space-3);
  border-radius: var(--d-radius-ctl); border: 1px solid var(--color-border); background: var(--color-surface-secondary);
  color: var(--color-text); font: inherit; font-weight: 600; cursor: pointer;
}
.mode-switch:hover { border-color: var(--color-primary); }
.mode-switch.admin { background: var(--color-primary); color: var(--color-text-on-primary); border-color: var(--color-primary); }
.mode-switch .grow { flex: 1; text-align: left; }
.brand { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-1) var(--space-1); min-height: 40px; }
.brand-logo { width: 34px; height: 34px; border-radius: var(--radius-md); background: var(--color-primary); color: #fff; display: grid; place-items: center; font-weight: 700; overflow: hidden; }
.brand-logo img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.brand-name { font-weight: 600; line-height: 1.2; }
.brand-sub { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.nav { flex: 1; overflow-y: auto; padding: var(--space-3) var(--space-2); }
.nav-section { font-size: var(--font-size-xs); letter-spacing: .01em; color: var(--color-text-muted); padding: var(--space-4) var(--space-3) var(--space-1); font-weight: 600; }
.nav a {
  display: flex; align-items: center; gap: var(--space-3); padding: 7px var(--space-3); border-radius: var(--radius-md);
  color: var(--color-text-secondary); font-weight: 500; text-decoration: none; margin-bottom: 1px;
}
.nav a:hover { background: var(--color-surface-secondary); color: var(--color-text); }
.nav a.active { background: var(--color-primary-subtle); color: var(--color-primary-text); }
.nav a .count { margin-left: auto; font-size: var(--font-size-xs); background: var(--color-warning-subtle); color: var(--color-warning-text); padding: 0 7px; border-radius: var(--radius-full); }
.user-btn { height: 44px; padding: 0 var(--space-2); gap: var(--space-2); }
.user-btn-text { display: none; text-align: left; line-height: 1.2; max-width: 180px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
@media (min-width: 900px) { .user-btn-text { display: block; } }
.scrim { position: fixed; inset: 0; background: var(--color-overlay); z-index: 39; display: none; }
.shell.nav-open .scrim { display: block; }

.main { min-width: 0; overflow-x: clip; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 30; height: var(--d-top-h); display: flex; align-items: center; gap: var(--space-2);
  padding: 0 var(--space-4); background: color-mix(in srgb, var(--color-surface) 88%, transparent); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.topbar .search { flex: 1; max-width: 460px; position: relative; }
.topbar .search input { padding-left: 34px; }
.topbar .search svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--color-text-muted); }
.topbar .spacer { flex: 1; }
.acting-banner {
  display: flex; align-items: center; gap: var(--space-3); justify-content: center; flex-wrap: wrap;
  background: var(--color-warning-subtle); color: var(--color-warning-text); border-bottom: 1px solid var(--color-border);
  padding: 6px var(--space-4); font-size: var(--font-size-sm); font-weight: 500;
}
.content { padding: var(--d-pad) var(--space-4); width: 100%; max-width: var(--d-content-max); margin: 0 auto; }

@media (min-width: 1024px) {
  .shell { grid-template-columns: var(--d-nav-w) 1fr; }
  .sidebar { position: sticky; top: 0; height: 100vh; transform: none; }
  .menu-btn { display: none !important; }
  .scrim { display: none !important; }
  .content { padding: var(--d-pad); }
}

/* ---------------------------------------------------------------- page header */
.page-head { display: flex; align-items: flex-start; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-5); }
.page-head .titles { flex: 1; min-width: 220px; }
.page-head .sub { color: var(--color-text-muted); margin-top: 4px; }
.page-head .actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.crumbs { display: flex; gap: 6px; align-items: center; font-size: var(--font-size-sm); color: var(--color-text-muted); margin-bottom: 6px; flex-wrap: wrap; }
.crumbs a { color: var(--color-text-muted); }

/* ---------------------------------------------------------------- buttons & controls */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); height: var(--d-ctl-h);
  padding: 0 var(--space-4); border-radius: var(--d-radius-ctl); border: 1px solid var(--color-border-strong);
  background: var(--color-surface); color: var(--color-text); font: inherit; font-weight: 500; cursor: pointer; white-space: nowrap;
  box-shadow: var(--shadow-1); text-decoration: none !important;
}
.btn:hover { background: var(--color-surface-secondary); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-text-on-primary); }
.btn.primary:hover { background: var(--color-primary-hover); }
.btn.danger { color: var(--color-danger-text); }
.btn.danger.solid { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }
.btn.ghost { border-color: transparent; background: transparent; box-shadow: none; }
.btn.ghost:hover { background: var(--color-surface-secondary); }
.btn.icon { width: var(--d-ctl-h); padding: 0; }
.btn.sm { height: 30px; padding: 0 var(--space-3); font-size: var(--font-size-sm); }
.btn.lg { height: 48px; padding: 0 var(--space-6); font-size: var(--font-size-lg); }

.input, select.input, textarea.input {
  width: 100%; height: var(--d-ctl-h); padding: 0 var(--space-3); border-radius: var(--d-radius-ctl);
  border: 1px solid var(--color-border-strong); background: var(--color-surface); color: var(--color-text); font: inherit;
}
textarea.input { height: auto; min-height: 90px; padding: var(--space-2) var(--space-3); resize: vertical; }
.input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-focus-ring); }
.input.invalid { border-color: var(--color-danger); }
input[type="color"].input { padding: 2px; width: 56px; }

.field { display: grid; gap: 6px; }
.field > label { font-weight: 500; font-size: var(--font-size-sm); }
.field .req { color: var(--color-danger); }
.field .hint { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.field .err { font-size: var(--font-size-xs); color: var(--color-danger-text); }
.form-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 720px) { .form-grid.cols-2 { grid-template-columns: 1fr 1fr; } .form-grid .span-2 { grid-column: 1 / -1; } }
.form-actions { display: flex; gap: var(--space-2); justify-content: flex-end; margin-top: var(--space-5); flex-wrap: wrap; }

/* toggle switch (S&H standard: pill, clear ON/OFF) */
.switch { display: inline-flex; align-items: center; gap: var(--space-3); cursor: pointer; user-select: none; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .track { width: 44px; height: 24px; border-radius: var(--radius-full); background: var(--n-300); position: relative; transition: background .15s; flex: none; }
.switch .track::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: var(--shadow-2); transition: transform .15s; }
.switch input:checked + .track { background: var(--color-primary); }
.switch input:checked + .track::after { transform: translateX(20px); }
.switch input:focus-visible + .track { outline: 3px solid var(--color-focus-ring); }

/* ---------------------------------------------------------------- cards, grids */
.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--d-radius-card); box-shadow: var(--shadow-1); }
.card-body { padding: var(--space-5); }
.card-head { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-divider); }
.card-head h3 { flex: 1; }
.grid { display: grid; gap: var(--d-gap); }
.grid.c2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.grid.c4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr)); }
.stack { display: grid; gap: var(--d-gap); grid-template-columns: minmax(0, 1fr); }
.row { display: flex; gap: var(--space-2); align-items: center; flex-wrap: wrap; }

.kpi { padding: var(--space-4) var(--space-5); display: grid; gap: 4px; }
.kpi .label { color: var(--color-text-muted); font-size: var(--font-size-sm); font-weight: 500; display: flex; align-items: center; gap: 6px; }
.kpi .value { font-size: var(--font-size-3xl); font-weight: 650; letter-spacing: -.02em; line-height: 1.15; }
.kpi .delta { font-size: var(--font-size-sm); font-weight: 500; }
.delta.up { color: var(--color-success-text); }
.delta.down { color: var(--color-danger-text); }

.tile {
  display: flex; gap: var(--space-4); align-items: flex-start; padding: var(--space-5); text-align: left; width: 100%;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--d-radius-card); cursor: pointer;
  color: var(--color-text); font: inherit; box-shadow: var(--shadow-1); transition: border-color .15s, box-shadow .15s, transform .15s;
  text-decoration: none !important;
}
.tile:hover { border-color: var(--color-primary); box-shadow: var(--shadow-3); transform: translateY(-1px); }
.tile .tile-ic { width: 44px; height: 44px; border-radius: var(--radius-lg); display: grid; place-items: center; flex: none; }
.tile .tile-title { font-weight: 600; }
.tile .tile-sub { color: var(--color-text-muted); font-size: var(--font-size-sm); }
.tile .tile-num { font-size: var(--font-size-xl); font-weight: 650; margin-top: 6px; }

/* ---------------------------------------------------------------- badges, chips, avatars */
.badge {
  display: inline-flex; align-items: center; gap: 6px; height: 22px; padding: 0 9px; border-radius: var(--radius-full);
  font-size: var(--font-size-xs); font-weight: 600; background: var(--color-surface-secondary); color: var(--color-text-secondary); white-space: nowrap;
}
.badge.ok { background: var(--color-success-subtle); color: var(--color-success-text); }
.badge.warn { background: var(--color-warning-subtle); color: var(--color-warning-text); }
.badge.bad { background: var(--color-danger-subtle); color: var(--color-danger-text); }
.badge.info { background: var(--color-info-subtle); color: var(--color-info-text); }
.badge.primary { background: var(--color-primary-subtle); color: var(--color-primary-text); }
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.chip-color { background: color-mix(in srgb, var(--chip) 14%, transparent); color: color-mix(in srgb, var(--chip) 80%, var(--color-text)); }
.avatar { width: 32px; height: 32px; border-radius: 50%; display: inline-grid; place-items: center; font-size: var(--font-size-xs); font-weight: 600; flex: none; color: #fff; background: var(--color-primary); }
.swatch { width: 18px; height: 18px; border-radius: 5px; border: 1px solid var(--color-border); display: inline-block; vertical-align: middle; }

/* ---------------------------------------------------------------- tables */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; font-size: var(--d-font-body); }
.table th {
  text-align: left; font-weight: 600; font-size: var(--font-size-xs); letter-spacing: .01em;
  color: var(--color-text-muted); background: var(--color-surface-secondary); padding: 10px var(--space-4); white-space: nowrap;
  border-bottom: 1px solid var(--color-border);
}
.table th.sortable { cursor: pointer; }
.table td { padding: 8px var(--space-4); border-bottom: 1px solid var(--color-divider); height: var(--d-row-h); vertical-align: middle; }
.table tr.clickable { cursor: pointer; }
.table tr.clickable:hover td { background: var(--color-surface-secondary); }
.table tr.deleted td { opacity: .55; }
.table td.num, .table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.toolbar { display: flex; gap: var(--space-2); align-items: center; flex-wrap: wrap; padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-divider); }
.toolbar .input { width: auto; min-width: 180px; }
.toolbar .search-input { flex: 1; min-width: 200px; max-width: 360px; }
.toolbar .tb-box { display: contents; }
.toolbar .tb-more { display: none; }
.pager { display: flex; gap: var(--space-2); align-items: center; justify-content: flex-end; padding: var(--space-3) var(--space-4); color: var(--color-text-muted); font-size: var(--font-size-sm); }

.empty { text-align: center; padding: var(--space-10) var(--space-4); color: var(--color-text-muted); }
.empty > svg.ic { width: 36px; height: 36px; color: var(--n-400); margin-bottom: var(--space-3); }
.empty .empty-title { font-weight: 600; color: var(--color-text); margin-bottom: 4px; }
.loading { padding: var(--space-8); text-align: center; color: var(--color-text-muted); }
.skeleton { background: linear-gradient(90deg, var(--color-surface-secondary), var(--color-divider), var(--color-surface-secondary)); background-size: 200% 100%; animation: sk 1.2s infinite; border-radius: var(--radius-md); min-height: 16px; }
@keyframes sk { to { background-position: -200% 0; } }

/* ---------------------------------------------------------------- tabs */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--color-border); overflow-x: auto; margin-bottom: var(--space-4); }
.tabs button {
  background: none; border: 0; border-bottom: 2px solid transparent; padding: 10px var(--space-4); font: inherit; font-weight: 500;
  color: var(--color-text-muted); cursor: pointer; white-space: nowrap; display: flex; gap: 6px; align-items: center;
}
.tabs button.active { color: var(--color-primary-text); border-bottom-color: var(--color-primary); }
.tabs .count { background: var(--color-surface-secondary); border-radius: var(--radius-full); padding: 0 7px; font-size: var(--font-size-xs); }

/* ---------------------------------------------------------------- drawer, modal, menu, toast */
.overlay { position: fixed; inset: 0; background: var(--color-overlay); z-index: 60; display: flex; animation: fade .15s; }
@keyframes fade { from { opacity: 0; } }
.drawer { margin-left: auto; width: min(640px, 100%); height: 100%; background: var(--color-surface); display: flex; flex-direction: column; box-shadow: var(--shadow-3); animation: slide .2s; }
.drawer.wide { width: min(960px, 100%); }
@keyframes slide { from { transform: translateX(30px); opacity: .6; } }
.drawer-head, .modal-head { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-divider); }
.drawer-head h2, .modal-head h2 { flex: 1; font-size: var(--font-size-lg); }
.drawer-body { flex: 1; overflow-y: auto; padding: var(--space-5); }
.drawer-foot { padding: var(--space-3) var(--space-5); border-top: 1px solid var(--color-divider); display: flex; gap: var(--space-2); justify-content: flex-end; }
.overlay.center { align-items: center; justify-content: center; padding: var(--space-4); }
.modal { background: var(--color-surface); border-radius: var(--radius-xl); width: min(520px, 100%); max-height: 90vh; display: flex; flex-direction: column; box-shadow: var(--shadow-3); }
.modal-body { padding: var(--space-5); overflow-y: auto; }
.menu { position: absolute; z-index: 70; min-width: 220px; background: var(--color-surface-raised); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-3); padding: 6px; }
.menu button, .menu a { display: flex; width: 100%; gap: var(--space-2); align-items: center; padding: 8px 10px; border: 0; background: none; border-radius: var(--radius-md); font: inherit; color: var(--color-text); cursor: pointer; text-align: left; text-decoration: none; }
.menu button:hover, .menu a:hover { background: var(--color-surface-secondary); }
.menu .menu-title { font-size: var(--font-size-xs); color: var(--color-text-muted); padding: 6px 10px; font-weight: 600; letter-spacing: .05em; }
.menu hr { border: 0; border-top: 1px solid var(--color-divider); margin: 4px 0; }
.toasts { position: fixed; right: var(--space-4); bottom: var(--space-4); z-index: 90; display: grid; gap: var(--space-2); }
.toast { background: var(--n-900); color: #fff; padding: 10px var(--space-4); border-radius: var(--radius-lg); box-shadow: var(--shadow-3); display: flex; gap: var(--space-3); align-items: center; max-width: 420px; animation: fade .2s; }
.toast.error { background: var(--color-danger); }
.toast button { background: none; border: 0; color: #fff; text-decoration: underline; cursor: pointer; font: inherit; }

/* ---------------------------------------------------------------- object block: timeline */
.timeline { display: grid; gap: var(--space-3); }
.tl-item { display: grid; grid-template-columns: 32px 1fr; gap: var(--space-3); }
.tl-ic { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--color-surface-secondary); color: var(--color-text-secondary); }
.tl-meta { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.tl-body { background: var(--color-surface-secondary); border-radius: var(--radius-lg); padding: var(--space-2) var(--space-3); margin-top: 4px; white-space: pre-wrap; word-break: break-word; }
.change { font-size: var(--font-size-sm); }
.change .old { text-decoration: line-through; color: var(--color-text-muted); }
.dropzone { border: 2px dashed var(--color-border-strong); border-radius: var(--radius-lg); padding: var(--space-6); text-align: center; color: var(--color-text-muted); cursor: pointer; }
.dropzone.over { border-color: var(--color-primary); background: var(--color-primary-subtle); }

/* ---------------------------------------------------------------- icon picker */
.icon-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)); gap: 6px; max-height: 280px; overflow-y: auto; padding: 2px; }
.icon-grid button { height: 44px; border: 1px solid var(--color-border); background: var(--color-surface); border-radius: var(--radius-md); cursor: pointer; color: var(--color-text); }
.icon-grid button.sel { border-color: var(--color-primary); background: var(--color-primary-subtle); color: var(--color-primary-text); }
.color-row { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.color-row button { width: 28px; height: 28px; border-radius: 8px; border: 2px solid transparent; cursor: pointer; }
.color-row button.sel { border-color: var(--color-text); }

/* ---------------------------------------------------------------- charts */
.chart { width: 100%; height: auto; display: block; }
.chart text { fill: var(--color-text-muted); font-size: 11px; font-family: var(--font-family-base); }
.chart .grid-line { stroke: var(--color-divider); }
.chart .bar:hover, .chart .seg:hover { opacity: .8; }
.legend { display: flex; gap: var(--space-3); flex-wrap: wrap; font-size: var(--font-size-sm); color: var(--color-text-secondary); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.funnel-row { display: grid; grid-template-columns: 160px 1fr 70px; gap: var(--space-3); align-items: center; margin-bottom: 8px; }
.funnel-bar { height: 28px; border-radius: var(--radius-md); background: var(--color-primary); min-width: 2px; }
.progress { height: 8px; border-radius: var(--radius-full); background: var(--color-surface-secondary); overflow: hidden; }
.progress > div { height: 100%; background: var(--color-primary); border-radius: inherit; }

/* ---------------------------------------------------------------- login */
.auth-page { min-height: calc(100vh - 20px); display: grid; grid-template-columns: 1fr; }
@media (min-width: 960px) { .auth-page { grid-template-columns: 1.1fr 1fr; } }
.auth-art {
  display: none; padding: var(--space-10); color: #fff; flex-direction: column; justify-content: space-between;
  background: radial-gradient(1200px 600px at 10% 10%, color-mix(in srgb, var(--color-primary) 85%, #fff) 0%, var(--color-primary) 40%, color-mix(in srgb, var(--color-primary) 60%, #000) 100%);
}
@media (min-width: 960px) { .auth-art { display: flex; } }
.auth-art h2 { font-size: 2.2rem; max-width: 460px; line-height: 1.15; }
.auth-art .points { display: grid; gap: var(--space-3); max-width: 420px; }
.auth-art .points div { display: flex; gap: var(--space-3); align-items: center; opacity: .95; }
.auth-form { display: grid; place-items: center; padding: var(--space-6) var(--space-4); }
.auth-card { width: min(400px, 100%); display: grid; gap: var(--space-4); }
.demo-box { font-size: var(--font-size-sm); background: var(--color-surface-secondary); border-radius: var(--radius-lg); padding: var(--space-3) var(--space-4); }
.demo-box button { background: none; border: 0; padding: 2px 0; color: var(--color-primary-text); cursor: pointer; font: inherit; display: block; text-align: left; }

/* ---------------------------------------------------------------- misc layout */
.detail-layout { display: grid; gap: var(--d-gap); grid-template-columns: 1fr; }
@media (min-width: 1200px) { .detail-layout.with-side { grid-template-columns: 1fr 380px; } }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px var(--space-4); font-size: var(--font-size-sm); }
.kv dt { color: var(--color-text-muted); }
.kv dd { margin: 0; }
.tree-group { border: 1px solid var(--color-border); border-radius: var(--d-radius-card); background: var(--color-surface); overflow: hidden; }
.tree-group + .tree-group { margin-top: var(--space-3); }
.tree-head { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5); cursor: pointer; }
.tree-children { border-top: 1px solid var(--color-divider); }
.tree-child { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-5) var(--space-3) 56px; border-bottom: 1px solid var(--color-divider); cursor: pointer; }
.tree-child:last-child { border-bottom: 0; }
.tree-child:hover, .tree-head:hover { background: var(--color-surface-secondary); }
.matrix td, .matrix th { text-align: center; }
.matrix td:first-child, .matrix th:first-child { text-align: left; }
.scope-btn { min-width: 74px; height: 28px; border-radius: var(--radius-full); border: 1px solid var(--color-border); background: var(--color-surface); font: inherit; font-size: var(--font-size-xs); font-weight: 600; cursor: pointer; color: var(--color-text-muted); }
.scope-btn.own { background: var(--color-info-subtle); color: var(--color-info-text); border-color: transparent; }
.scope-btn.team { background: var(--color-warning-subtle); color: var(--color-warning-text); border-color: transparent; }
.scope-btn.branch { background: var(--color-success-subtle); color: var(--color-success-text); border-color: transparent; }
.scope-btn:disabled { cursor: default; }
.kanban { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(260px, 1fr); gap: var(--space-3); overflow-x: auto; padding-bottom: var(--space-2); }
.kanban-col { background: var(--color-surface-secondary); border-radius: var(--d-radius-card); padding: var(--space-3); display: grid; gap: var(--space-2); align-content: start; }
.kanban-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-3); box-shadow: var(--shadow-1); }
.filter-bar { display: flex; gap: var(--space-2); flex-wrap: wrap; align-items: center; padding: var(--space-3); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--d-radius-card); margin-bottom: var(--d-gap); }
.filter-bar .input { width: auto; }
.seg-ctl { display: inline-flex; border: 1px solid var(--color-border-strong); border-radius: var(--d-radius-ctl); overflow: hidden; }
.seg-ctl button { border: 0; background: var(--color-surface); padding: 0 12px; height: calc(var(--d-ctl-h) - 2px); font: inherit; font-size: var(--font-size-sm); cursor: pointer; color: var(--color-text-secondary); }
.seg-ctl button + button { border-left: 1px solid var(--color-border); }
.seg-ctl button.active { background: var(--color-primary-subtle); color: var(--color-primary-text); font-weight: 600; }
.alert { display: flex; gap: var(--space-3); align-items: flex-start; padding: var(--space-3) var(--space-4); border-radius: var(--radius-lg); background: var(--color-info-subtle); color: var(--color-info-text); }
.alert.warn { background: var(--color-warning-subtle); color: var(--color-warning-text); }
.alert.bad { background: var(--color-danger-subtle); color: var(--color-danger-text); }
.alert.ok { background: var(--color-success-subtle); color: var(--color-success-text); }
.list-plain { list-style: none; margin: 0; padding: 0; }
.list-plain li { display: flex; gap: var(--space-3); align-items: center; padding: var(--space-3) 0; border-bottom: 1px solid var(--color-divider); }
.list-plain li:last-child { border-bottom: 0; }

/* ================================================================ shell polish, profile v2, feedback (module 08) */
/* top bar: feedback button + notification bell; labels collapse to icons on small screens */
.topbar-label { display: none; }
@media (min-width: 900px) { .topbar-label { display: inline; } }
@media (max-width: 599px) { .topbar .theme-btn { display: none; } .topbar { gap: 4px; padding: 0 var(--space-2); } .topbar .view-as-btn, .topbar .feedback-btn { padding: 0 8px; } }
.bell-btn { position: relative; }
.bell-count {
  position: absolute; top: 2px; right: 0; min-width: 18px; height: 18px; padding: 0 5px; border-radius: var(--radius-full);
  background: var(--color-danger); color: #fff; font-size: 11px; font-weight: 700; line-height: 18px; text-align: center;
  border: 2px solid var(--color-surface); box-sizing: content-box;
}
.notif-panel { width: min(380px, calc(100vw - 16px)); padding: 0; max-height: min(520px, 75vh); display: flex; flex-direction: column; }
.notif-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); padding: var(--space-3) var(--space-3) var(--space-2) var(--space-4); border-bottom: 1px solid var(--color-divider); }
.notif-list { overflow-y: auto; padding: 6px; }
.notif-list .empty { padding: var(--space-6) var(--space-3); }
.menu .notif-item { align-items: flex-start; gap: var(--space-3); padding: 10px; }
.notif-item.unread { background: var(--color-primary-subtle); }
.menu .notif-item.unread:hover { background: var(--color-primary-subtle-2); }
.notif-ic { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--color-surface-secondary); color: var(--color-text-secondary); flex: none; }
.notif-text { display: grid; gap: 2px; flex: 1; min-width: 0; }
.notif-title { font-weight: 600; }
.notif-body { color: var(--color-text-secondary); font-size: var(--font-size-sm); overflow-wrap: anywhere; }
.notif-time { color: var(--color-text-muted); font-size: var(--font-size-xs); }
.notif-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); flex: none; margin-top: 6px; }

/* deleted record banner + read-only mode (G17) */
.deleted-banner { align-items: center; margin-bottom: var(--d-gap); }
.read-only .input:disabled, .read-only select:disabled, .read-only textarea:disabled { background: var(--color-surface-secondary); color: var(--color-text); opacity: 1; cursor: default; }

/* sign-in: brand image/logo, stay signed in */
.auth-art.with-image { background: linear-gradient(180deg, rgba(16, 24, 40, .25), rgba(16, 24, 40, .7)), var(--login-image) center / cover no-repeat; }
.auth-art .art-foot { opacity: .8; }
.auth-art .points { margin-top: 28px; }
.login-logo { background: rgba(255, 255, 255, .18); }
.login-logo img { background: #fff; }
.auth-hero {
  display: flex; align-items: center; gap: var(--space-3); width: calc(100% + 2 * var(--space-4)); margin: calc(-1 * var(--space-6)) calc(-1 * var(--space-4)) var(--space-6);
  min-height: 120px; padding: var(--space-5) var(--space-4); color: #fff; font-size: var(--font-size-lg);
  background: radial-gradient(800px 300px at 10% 10%, color-mix(in srgb, var(--color-primary) 85%, #fff) 0%, var(--color-primary) 45%, color-mix(in srgb, var(--color-primary) 60%, #000) 100%);
}
.auth-hero.with-image { background: linear-gradient(180deg, rgba(16, 24, 40, .2), rgba(16, 24, 40, .65)), var(--login-image) center / cover no-repeat; }
@media (min-width: 960px) { .auth-hero { display: none; } }
.auth-form { align-content: start; }
@media (min-width: 960px) { .auth-form { align-content: center; } }
.auth-sub { margin-top: 6px; }
.remember-row { display: grid; gap: 4px; }
.check { display: inline-flex; align-items: center; gap: var(--space-2); cursor: pointer; font-weight: 500; user-select: none; }
.check input { width: 20px; height: 20px; accent-color: var(--color-primary); margin: 0; flex: none; }
.remember-row .hint { font-size: var(--font-size-xs); color: var(--color-text-muted); padding-left: 28px; }
.form-actions.stretch { justify-content: stretch; }
.btn.block { width: 100%; }
.demo-title { margin-bottom: 4px; }

/* profile */
.profile-ro { padding-bottom: var(--space-4); border-bottom: 1px solid var(--color-divider); }
.profile-ro .input:disabled { background: var(--color-surface-secondary); color: var(--color-text); }
.role-chips { min-height: var(--d-ctl-h); }
.geo-box { gap: var(--space-2); }
.geo-box .hint { display: flex; gap: 6px; align-items: center; }
.geo-box .hint.geo-ok { color: var(--color-success-text); }
.prefs-table td, .prefs.table th { text-transform: none; vertical-align: middle; }
.prefs-table th.center, .prefs-table td.center { text-align: center; }
.ch-head { display: inline-flex; gap: 6px; align-items: center; text-transform: none; letter-spacing: 0; font-size: var(--font-size-sm); }
.big-check { width: 22px; height: 22px; accent-color: var(--color-primary); cursor: pointer; }
.big-check:disabled { cursor: not-allowed; opacity: .45; }
.sessions-list li { align-items: flex-start; }
.grow-min { flex: 1; min-width: 0; overflow-wrap: anywhere; }

/* feedback */
.fb-rule { margin-bottom: var(--d-gap); }
.fb-subject { font-weight: 500; }
.fb-count { gap: 4px; justify-content: flex-end; flex-wrap: nowrap; color: var(--color-text-secondary); }
.urgency-pick { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-2); }
.urgency-btn {
  display: flex; gap: var(--space-2); align-items: center; padding: var(--space-3); min-height: 56px; text-align: left;
  border: 2px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); color: var(--color-text);
  font: inherit; cursor: pointer;
}
.urgency-btn > span { display: grid; line-height: 1.25; min-width: 0; }
.urgency-btn .small { color: var(--color-text-muted); }
.urgency-btn:hover:not(:disabled) { border-color: var(--color-border-strong); }
.urgency-btn:disabled { cursor: default; }
.urgency-btn.active.low { border-color: var(--n-500); background: var(--color-surface-secondary); }
.urgency-btn.active.medium { border-color: var(--color-warning); background: var(--color-warning-subtle); }
.urgency-btn.active.high { border-color: var(--color-danger); background: var(--color-danger-subtle); }
.urgency-btn.medium svg { color: var(--color-warning-text); }
.urgency-btn.high svg { color: var(--color-danger-text); }
@media (max-width: 480px) { .urgency-btn .small { display: none; } .urgency-btn { min-height: 44px; } }
.fb-zone { display: grid; gap: 4px; justify-items: center; padding: var(--space-5); }
.fb-privacy { margin-bottom: var(--space-2); }
.fb-thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: var(--space-3); margin-top: var(--space-2); }
.fb-thumb { position: relative; margin: 0; border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; background: var(--color-surface-secondary); }
.fb-thumb img { display: block; width: 100%; height: 96px; object-fit: cover; background: var(--color-surface); }
.fb-thumb figcaption { display: grid; padding: 4px 8px; font-size: var(--font-size-xs); }
.fb-thumb-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fb-thumb-x {
  position: absolute; top: 4px; right: 4px; width: 28px; height: 28px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(16, 24, 40, .7); color: #fff; display: grid; place-items: center;
}
.fb-thumb-x:hover { background: var(--color-danger); }
.fb-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--space-3); padding: var(--space-3) var(--space-4); background: var(--color-surface-secondary); border-radius: var(--radius-lg); }
.fb-meta .hint { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-top: 4px; }
.fb-desc { white-space: pre-wrap; overflow-wrap: anywhere; background: var(--color-surface-secondary); border-radius: var(--radius-lg); padding: var(--space-3) var(--space-4); }
.fb-thread { border-top: 1px solid var(--color-divider); padding-top: var(--space-4); }
.fb-thread > label { display: flex; align-items: center; gap: 6px; }
.fb-await { margin-top: 4px; }
.fb-kpis { margin-bottom: var(--d-gap); }
.fb-kpi { padding: var(--space-4); }
.fb-kpi.active { border-color: var(--color-primary); background: var(--color-primary-subtle); }
.chat { display: grid; gap: var(--space-3); max-height: 360px; overflow-y: auto; padding: var(--space-2) 2px; }
.chat .empty { padding: var(--space-5) var(--space-3); }
.chat-msg { display: flex; gap: var(--space-2); align-items: flex-end; max-width: 88%; }
.chat-msg.own { margin-left: auto; flex-direction: row-reverse; }
.chat-bubble { background: var(--color-surface-secondary); border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 4px; padding: var(--space-2) var(--space-3); min-width: 0; }
.chat-msg.own .chat-bubble { background: var(--color-primary-subtle-2); border-radius: var(--radius-lg) var(--radius-lg) 4px var(--radius-lg); }
.chat-meta { display: flex; gap: var(--space-2); align-items: center; flex-wrap: wrap; font-size: var(--font-size-xs); color: var(--color-text-muted); }
.chat-text { white-space: pre-wrap; overflow-wrap: anywhere; margin-top: 2px; }
.chat-compose { display: grid; grid-template-columns: 1fr auto; gap: var(--space-2); align-items: end; }
@media (max-width: 480px) { .chat-compose { grid-template-columns: 1fr; } }

/* brand assets (admin) */
.brand-preview { border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; background: var(--color-surface-secondary); display: grid; place-items: center; }
.brand-preview.login-image { aspect-ratio: 16 / 9; }
.brand-preview.login-image img { width: 100%; height: 100%; object-fit: cover; }
.brand-preview.logo { height: 160px; }
.brand-preview.logo img { max-width: 140px; max-height: 140px; object-fit: contain; background: #fff; border-radius: var(--radius-md); }
.brand-preview.empty-preview { gap: var(--space-2); color: var(--color-text-muted); text-align: center; padding: var(--space-4); }
.geo-box .hint { font-size: var(--font-size-sm); color: var(--color-text-muted); }
.bell-count { top: -4px; right: -6px; }
.fb-subject { min-width: 180px; }