/* ============================================================
   OmniX Search — main stylesheet
   ============================================================ */

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; }
img { display: block; max-width: 100%; }
::selection { background: var(--accent-soft); }

/* Scrollbars */
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; border: 3px solid transparent; background-clip: padding-box; }
*::-webkit-scrollbar-thumb:hover { background: var(--text-3); background-clip: padding-box; }

/* ---------- App shell ---------- */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 14px;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  overflow-y: auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 8px 8px 14px;
}
.brand__icon {
  width: 40px; height: 40px;
  border-radius: 11px;
  display: grid; place-items: center;
  background: transparent;
  flex: none;
}
.brand__icon img { width: 100%; height: 100%; object-fit: contain; }
.brand__name { font-weight: 700; font-size: 16px; letter-spacing: -0.01em; }
.brand__name b { color: var(--accent); font-weight: 700; }
.brand__sub { font-size: 11px; color: var(--text-3); letter-spacing: .12em; text-transform: uppercase; }

.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 11px 16px;
  border-radius: var(--r-sm);
  background: var(--grad-accent);
  color: #fff; font-weight: 600; font-size: 14px;
  box-shadow: 0 10px 24px -12px var(--accent-glow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), filter var(--dur) var(--ease);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 30px -12px var(--accent-glow); filter: saturate(1.05); }
.btn-primary:active { transform: translateY(0); }
.btn-primary svg { width: 1em; height: 1em; stroke: currentColor; flex: none; }

.side-new { width: 100%; margin-bottom: 8px; }

.nav-group { margin-top: 10px; }
.nav-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: .12em;
  color: var(--text-3); padding: 6px 10px; font-weight: 600;
}
.nav-item {
  display: flex; align-items: center; gap: 11px;
  width: 100%;
  padding: 10px 11px;
  border-radius: var(--r-sm);
  color: var(--text-2);
  font-size: 14px; font-weight: 500;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.nav-item:hover { background: var(--panel-hover); color: var(--text); }
.nav-item.is-active { background: var(--accent-soft); color: var(--accent); }
.nav-item.is-active svg { stroke: var(--accent); }
.nav-item svg { width: 18px; height: 18px; stroke: currentColor; flex: none; }

.side-foot { margin-top: auto; padding: 12px 8px 4px; }
.side-foot__version {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  color: var(--text-2); font-size: 12.5px;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.side-foot__version:hover { border-color: var(--border-strong); background: var(--panel); }
.side-foot__version .tag {
  font-size: 11px; font-weight: 600; color: var(--accent);
  background: var(--accent-soft); padding: 2px 8px; border-radius: var(--r-pill);
}

/* ---------- Main column ---------- */
.main {
  display: flex; flex-direction: column;
  min-width: 0;
  background:
    var(--glow-hero),
    var(--bg);
  background-repeat: no-repeat;
}

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 12px;
  padding: 14px 22px;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
}
.topbar__scope {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: var(--r-pill);
  background: var(--panel); border: 1px solid var(--border);
  font-size: 13px; color: var(--text-2); font-weight: 500;
}
.topbar__scope .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.topbar__spacer { flex: 1; }

/* Signed-in user chip: [photo circle] [username] [logout] left→right */
.topbar__user {
  display: inline-flex; flex-direction: row; align-items: center; gap: 8px;
  padding: 4px 6px 4px 4px; border-radius: var(--r-pill);
  background: var(--panel); border: 1px solid var(--border);
}
.topbar__avatar {
  order: 1;
  width: 30px; height: 30px; aspect-ratio: 1 / 1;
  border-radius: 50%; overflow: hidden; flex: none;
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
  font-weight: 700; font-size: 11px; line-height: 1;
}
.topbar__avatar img {
  display: block; width: 100%; height: 100%;
  object-fit: cover; border-radius: 50%;
}
.topbar__username {
  order: 2;
  font-size: 13px; font-weight: 500; color: var(--text-2);
  max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.topbar__badges { order: 3; display: inline-flex; gap: 4px; flex: none; }
.topbar__user .icon-btn { order: 4; flex: none; }

/* Dept / section badges (topbar + settings) */
.u-badge {
  display: inline-flex; align-items: center;
  padding: 2px 8px; border-radius: var(--r-pill);
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  font-size: 11px; font-weight: 600; line-height: 1.5; white-space: nowrap;
}
.u-badge--alt {
  background: var(--panel); color: var(--text-2);
  border-color: var(--border);
}

/* Account panel (settings) */
.account-head { display: flex; align-items: center; gap: 16px; margin-bottom: 6px; }
.account-head__avatar {
  width: 64px; height: 64px; aspect-ratio: 1 / 1;
  border-radius: 50%; overflow: hidden; flex: none;
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
  font-weight: 700; font-size: 22px;
}
.account-head__avatar img { display: block; width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.account-head__name { font-size: 17px; font-weight: 650; }
.account-head__email { font-size: 13px; color: var(--text-2); margin-top: 2px; }
.account-head__badges { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.set-row__value { font-size: 13px; color: var(--text-2); font-weight: 500; text-align: right; overflow-wrap: anywhere; }

/* Bilingual inline content: shown/hidden by <html lang> */
html[lang="en"] .only-ja { display: none !important; }
html[lang="ja"] .only-en { display: none !important; }

/* Settings → AI Model cards */
.ai-model { padding: 14px 0; border-bottom: 1px solid var(--border); }
.ai-model:last-of-type { border-bottom: 0; }
.ai-model__head { display: flex; align-items: center; gap: 10px; }
.ai-model__name { font-size: 15px; font-weight: 650; }
.ai-model__desc { margin: 6px 0 0; font-size: 13px; color: var(--text-2); line-height: 1.55; }
.ai-model__adv { margin: 8px 0 0; padding-left: 20px; font-size: 13px; color: var(--text-2); line-height: 1.7; }
.ai-model__adv li::marker { color: var(--accent); }
.ai-models__updated { margin: 14px 0 0; font-size: 12px; color: var(--text-2); opacity: .7; }

/* Admin → AI Models editor */
.aiedit { padding: 14px 0; border-bottom: 1px solid var(--border); }
.aiedit__top { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.aiedit__top .aiedit__name { flex: 1; font-weight: 600; }
.aiedit__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
.aiedit__grid label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-2); }
.aiedit__grid textarea { resize: vertical; font: inherit; font-size: 13px; }
.aiedit__actions { display: flex; align-items: center; justify-content: flex-end; gap: 14px; margin-top: 14px; }
.aiedit__status { font-size: 13px; }
@media (max-width: 720px) { .aiedit__grid { grid-template-columns: 1fr; } }

/* Login error banner */
.login__error {
  margin: 0 0 16px; padding: 10px 14px; border-radius: 10px;
  background: color-mix(in srgb, #e5484d 12%, transparent);
  border: 1px solid color-mix(in srgb, #e5484d 40%, transparent);
  color: #e5484d; font-size: 13px; line-height: 1.5;
  overflow-wrap: anywhere;
}

.pill-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 13px; border-radius: var(--r-pill);
  background: var(--panel); border: 1px solid var(--border);
  color: var(--text-2); font-size: 13px; font-weight: 500;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.pill-btn:hover { background: var(--panel-hover); color: var(--text); border-color: var(--border-strong); transform: translateY(-1px); }
.pill-btn svg { width: 16px; height: 16px; stroke: currentColor; }

/* Segmented toggle (theme / lang) */
.seg {
  display: inline-flex; padding: 4px; gap: 3px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-pill);
}
.seg button {
  padding: 6px 12px; border-radius: var(--r-pill);
  font-size: 12.5px; font-weight: 600; color: var(--text-3);
  display: inline-flex; align-items: center; gap: 6px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.seg button svg { width: 15px; height: 15px; stroke: currentColor; }
.seg button.is-on { background: var(--accent-soft); color: var(--accent); }
.seg button:not(.is-on):hover { color: var(--text); }

.icon-btn {
  width: 38px; height: 38px; border-radius: var(--r-sm);
  display: grid; place-items: center;
  background: var(--panel); border: 1px solid var(--border); color: var(--text-2);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.icon-btn:hover { background: var(--panel-hover); color: var(--text); border-color: var(--border-strong); }
.icon-btn svg { width: 18px; height: 18px; stroke: currentColor; }

/* ---------- Content area ---------- */
.content { flex: 1; padding: 34px 40px 60px; min-width: 0; }
.content--narrow { max-width: 980px; margin: 0 auto; width: 100%; }

.page-head { margin-bottom: 26px; }
.page-head h1 {
  margin: 0 0 6px; font-size: 30px; font-weight: 700; letter-spacing: -0.02em;
}
.page-head p { margin: 0; color: var(--text-2); font-size: 15px; }

/* ---------- Footer ---------- */
.foot {
  padding: 20px 40px;
  border-top: 1px solid var(--border);
  color: var(--text-3); font-size: 12.5px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.foot a { color: var(--text-2); }
.foot a:hover { color: var(--accent); }

/* ---------- Cards ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}

/* ============================================================
   LOGIN
   ============================================================ */
.login {
  min-height: 100vh;
  display: grid; place-items: center;
  padding: 24px;
  background:
    radial-gradient(900px 500px at 50% -10%, var(--accent-glow), transparent 60%),
    var(--bg);
}
.login__card {
  width: 100%; max-width: 440px;
  padding: 40px 38px 30px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow);
  text-align: center;
  animation: rise .5s var(--ease) both;
}
.login__logo {
  width: 76px; height: 76px; margin: 0 auto 20px;
  border-radius: 20px; display: grid; place-items: center;
  background: transparent;
  filter: drop-shadow(0 16px 30px rgba(0,0,0,.45));
}
.login__logo img { width: 100%; height: 100%; object-fit: contain; }
.login__wordmark { margin: 0 0 22px; line-height: 1; }
.login__wordmark-name {
  display: block; font-size: 34px; font-weight: 800; letter-spacing: -0.01em; color: var(--text);
}
.login__wordmark-name .x { color: var(--accent); }
.login__wordmark-sub {
  display: block; margin-top: 7px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.44em;
  color: var(--text-3); padding-left: 0.44em;
}
.login__card h1 { margin: 0 0 8px; font-size: 25px; font-weight: 700; letter-spacing: -0.02em; }
.login__card p.sub { margin: 0 0 26px; color: var(--text-2); font-size: 14.5px; }
.btn-ms {
  width: 100%;
  display: inline-flex; align-items: center; justify-content: center; gap: 11px;
  padding: 14px 18px; border-radius: var(--r-md);
  background: var(--grad-accent); color: #fff; font-weight: 600; font-size: 15px;
  box-shadow: 0 14px 30px -14px var(--accent-glow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), filter var(--dur) var(--ease);
}
.btn-ms:hover { transform: translateY(-1px); box-shadow: 0 20px 38px -14px var(--accent-glow); filter: saturate(1.05); }
.btn-ms .ms-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 2px; width: 18px; height: 18px; }
.btn-ms .ms-grid i { display: block; }
.btn-ms .ms-grid i:nth-child(1){ background:#F25022 } .btn-ms .ms-grid i:nth-child(2){ background:#7FBA00 }
.btn-ms .ms-grid i:nth-child(3){ background:#00A4EF } .btn-ms .ms-grid i:nth-child(4){ background:#FFB900 }
.btn-ghost {
  width: 100%; margin-top: 12px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 18px; border-radius: var(--r-md);
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  font-weight: 600; font-size: 14.5px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn-ghost:hover { background: var(--panel-hover); border-color: var(--border-strong); }
.login__terms { margin: 22px 0 0; font-size: 12.5px; color: var(--text-3); line-height: 1.7; }
.login__terms a { color: var(--text-2); }
.login__terms a:hover { color: var(--accent); }
.login__foot { margin-top: 26px; font-size: 12px; color: var(--text-3); }
/* login split preview panel (left brand column) */
.login__mini-topbar {
  position: fixed; top: 18px; right: 20px; z-index: 5;
}

/* ============================================================
   SEARCH
   ============================================================ */
.searchbox {
  position: relative; margin-bottom: 20px;
}
.searchbox input {
  width: 100%;
  padding: 17px 18px 17px 50px;
  border-radius: var(--r-md);
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text); font-size: 15px;
  outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.searchbox input::placeholder { color: var(--text-3); }
.searchbox input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.searchbox .ico {
  position: absolute; left: 17px; top: 50%; transform: translateY(-50%);
  width: 20px; height: 20px; stroke: var(--text-3); pointer-events: none;
}

.filters { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 26px; margin-top: 10px;}
.chip {
  padding: 9px 16px; border-radius: var(--r-pill);
  background: var(--panel); border: 1px solid var(--border);
  color: var(--text-2); font-size: 13.5px; font-weight: 500;
  transition: all var(--dur) var(--ease);
}
.chip:hover { border-color: var(--border-strong); color: var(--text); }
.chip.is-on { background: var(--grad-accent); color: #fff; border-color: transparent; box-shadow: 0 8px 20px -12px var(--accent-glow); }

.section-label {
  font-size: 13px; font-weight: 600; color: var(--text-3);
  text-transform: uppercase; letter-spacing: .08em; margin: 4px 0 14px;
}

.result-list { display: flex; flex-direction: column; gap: 10px; }
.result-item {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  cursor: pointer;
  animation: rise .4s var(--ease) both;
}
.result-item:hover { transform: translateY(-2px); border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.result-item__avatar {
  width: 42px; height: 42px; border-radius: 12px; flex: none;
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
  font-weight: 700; font-size: 15px;
}
.result-item__main { min-width: 0; flex: 1; }
.result-item__name { font-weight: 600; font-size: 14.5px; display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.result-item__meta { color: var(--text-3); font-size: 12.5px; margin-top: 3px; }
.badge {
  font-size: 11px; font-weight: 600; padding: 2px 9px; border-radius: var(--r-pill);
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text-2);
}
.result-item__time { color: var(--text-3); font-size: 12px; white-space: nowrap; }
.result-item__go { width: 18px; height: 18px; stroke: var(--text-3); flex: none; }

.empty {
  text-align: center; padding: 50px 20px; color: var(--text-3);
}

/* ============================================================
   FILE SEARCH (index) — layout, filters, submit-to-top animation
   ============================================================ */
.filesearch { display: flex; flex-direction: column; }
.filesearch__hero { overflow: hidden; max-height: 280px; transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease), margin var(--dur) var(--ease), transform var(--dur) var(--ease); }
.filesearch.is-active .filesearch__hero { max-height: 0; opacity: 0; margin: 0; transform: translateY(-8px); }
.filesearch__sub { margin: 6px 0 0; color: var(--text-2); font-size: 15px; }
.filesearch__bar { padding-top: 6px; transition: padding var(--dur) var(--ease), background var(--dur) var(--ease); }
.filesearch.is-active .filesearch__bar { position: sticky; top: var(--topbar-h, 64px); z-index: 15; padding: 14px 40px 12px; margin: 0 -40px 8px; background: var(--bg); border-bottom: 1px solid var(--border); box-shadow: 0 12px 20px -18px rgba(0,0,0,.55); }

.fsearch { position: relative; display: flex; align-items: center; gap: 8px; padding: 8px 8px 8px 16px; border-radius: var(--r-md); background: var(--input-bg); border: 1px solid var(--border); transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.fsearch:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.fsearch__ico { display: inline-grid; place-items: center; flex: none; }
.fsearch__ico svg { width: 20px; height: 20px; stroke: var(--text-3); }
.fsearch input { flex: 1; min-width: 0; border: none; outline: none; background: transparent; color: var(--text); font-size: 15px; padding: 9px 0; }
.fsearch input::placeholder { color: var(--text-3); }
.fsearch__filter { display: inline-flex; align-items: center; gap: 7px; padding: 8px 13px; border-radius: var(--r-pill); background: var(--panel-2); border: 1px solid var(--border); color: var(--text-2); font-size: 13px; font-weight: 500; flex: none; transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.fsearch__filter:hover { color: var(--text); border-color: var(--border-strong); }
.fsearch__filter.has-filters { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.fsearch__filter svg { width: 15px; height: 15px; stroke: currentColor; }
.fsearch__fcount { min-width: 18px; height: 18px; padding: 0 5px; border-radius: var(--r-pill); background: var(--grad-accent); color: #fff; font-size: 11px; font-weight: 700; display: inline-grid; place-items: center; }
.fsearch__send { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--grad-accent); color: #fff; flex: none; box-shadow: 0 10px 22px -12px var(--accent-glow); transition: transform var(--dur) var(--ease); }
.fsearch__send:hover { transform: translateY(-1px) scale(1.03); }
.fsearch__send svg { width: 18px; height: 18px; stroke: #fff; }

.filter-wrap { position: relative; flex: none; }
.filter-pop { position: absolute; top: calc(100% + 10px); right: 0; z-index: 40; width: 300px; max-width: 84vw; padding: 16px; background: var(--panel); border: 1px solid var(--border-strong); border-radius: var(--r-lg); box-shadow: var(--shadow); animation: rise .2s var(--ease) both; }
.filter-pop__group { margin-bottom: 16px; }
.filter-pop__label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); margin-bottom: 10px; }
.filter-pop__types { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.fp-check { display: flex; align-items: center; gap: 8px; padding: 7px 9px; border-radius: var(--r-sm); font-size: 13px; color: var(--text-2); cursor: pointer; transition: background var(--dur) var(--ease), color var(--dur) var(--ease); }
.fp-check:hover { background: var(--panel-hover); color: var(--text); }
.fp-check input { accent-color: var(--accent); width: 15px; height: 15px; }
.filter-pop__sizes { display: flex; flex-wrap: wrap; gap: 6px; }
.size-opt { padding: 7px 12px; border-radius: var(--r-pill); background: var(--panel-2); border: 1px solid var(--border); color: var(--text-2); font-size: 12.5px; font-weight: 500; cursor: pointer; transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.size-opt:hover { color: var(--text); border-color: var(--border-strong); }
.size-opt.is-on { background: var(--grad-accent); color: #fff; border-color: transparent; }
.filter-pop__foot { display: flex; justify-content: flex-end; gap: 8px; }

.result-item__size { color: var(--text-2); font-size: 12.5px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.result-item__avatar svg { width: 20px; height: 20px; stroke: currentColor; }
.ftype--documents    { background: rgba(96,165,250,.16); color: #60a5fa; }
.ftype--pdf          { background: rgba(226,75,74,.16);  color: #e24b4a; }
.ftype--images       { background: rgba(47,191,113,.16); color: #2fbf71; }
.ftype--spreadsheets { background: rgba(29,158,117,.18); color: #1d9e75; }
.ftype--presentations{ background: rgba(239,159,39,.18); color: #ef9f27; }
.ftype--code         { background: rgba(139,124,246,.18);color: #8b7cf6; }
.ftype--video        { background: rgba(212,83,126,.18); color: #d4537e; }
.ftype--audio        { background: var(--accent-soft);   color: var(--accent); }
.ftype--archive      { background: var(--panel-hover);   color: var(--text-2); }
@media (max-width: 860px) {
  .filesearch.is-active .filesearch__bar { padding-left: 18px; padding-right: 18px; margin-left: -18px; margin-right: -18px; }
}

/* ============================================================
   DOWNLOAD page
   ============================================================ */
.dl-section { margin-bottom: 28px; }
.dl-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.dl-card { display: flex; align-items: center; gap: 16px; padding: 18px 20px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-sm); transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.dl-card:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.dl-card__logo { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; background: var(--panel-2); color: var(--text); flex: none; }
.dl-card__logo svg { width: 28px; height: 28px; stroke: currentColor; }
.dl-card--windows .dl-card__logo { color: #0ea5e9; }
.dl-card--android .dl-card__logo { color: #3ddc84; }
.dl-card__body { flex: 1; min-width: 0; }
.dl-card__name { font-size: 16px; font-weight: 650; }
.dl-card__req { font-size: 12.5px; color: var(--text-3); margin-top: 3px; }
.dl-card__meta { font-size: 12px; color: var(--text-2); margin-top: 6px; font-variant-numeric: tabular-nums; }
.dl-card__btn { flex: none; }
.dl-card__btn svg { width: 16px; height: 16px; }
@media (max-width: 720px) { .dl-grid { grid-template-columns: 1fr; } }

/* ============================================================
   HERO (dashboard)
   ============================================================ */
.hero { padding-top: 8px; }
.hero__title {
  font-size: 46px; line-height: 1.08; font-weight: 700; letter-spacing: -0.03em;
  margin: 10px 0 26px; max-width: 16ch;
}
.hero__title .muted { color: var(--text-3); }
.hero__chips { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 14px; }
.hero__chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: var(--r-pill);
  background: var(--panel); border: 1px solid var(--border);
  color: var(--text-2); font-size: 13px; font-weight: 500;
  transition: all var(--dur) var(--ease);
}
.hero__chip:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.hero__chip svg { width: 15px; height: 15px; stroke: currentColor; }

.ask {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 18px 18px 14px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.ask:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.ask__row { display: flex; align-items: flex-start; gap: 10px; }
.ask__plus { width: 26px; height: 26px; stroke: var(--text-3); margin-top: 4px; flex: none; }
.ask textarea {
  flex: 1; border: none; outline: none; resize: none; background: transparent;
  color: var(--text); font-size: 15.5px; line-height: 1.6; min-height: 26px; max-height: 180px;
}
.ask textarea::placeholder { color: var(--text-3); }
.ask__bar { display: flex; align-items: center; gap: 8px; margin-top: 14px; }
.ask__tool {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 12px; border-radius: var(--r-pill);
  color: var(--text-3); font-size: 12.5px; font-weight: 500;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.ask__tool:hover { background: var(--panel-hover); color: var(--text-2); }
.ask__tool[hidden] { display: none; }
.ask__tool svg { width: 15px; height: 15px; stroke: currentColor; }
.ask__send {
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad-accent); color: #fff;
  box-shadow: 0 10px 22px -12px var(--accent-glow);
  transition: transform var(--dur) var(--ease);
}
.ask__send:hover { transform: translateY(-1px) scale(1.03); }
.ask__send svg { width: 18px; height: 18px; stroke: #fff; }

.feature-cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 22px;
}
.feature-card {
  padding: 18px; border-radius: var(--r-lg);
  background: var(--panel); border: 1px solid var(--border);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  cursor: pointer;
}
.feature-card:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.feature-card__ico {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 14px;
}
.feature-card__ico svg { width: 20px; height: 20px; stroke: currentColor; }
.feature-card h3 { margin: 0 0 5px; font-size: 15px; font-weight: 650; }
.feature-card p { margin: 0; color: var(--text-3); font-size: 13px; line-height: 1.55; }

/* ============================================================
   AI CHAT (floating panel)
   ============================================================ */
.chat-fab {
  position: fixed; right: 26px; bottom: 26px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad-accent);
  box-shadow: 0 18px 40px -14px var(--accent-glow);
  transition: transform var(--dur) var(--ease);
  overflow: hidden;
}
.chat-fab:hover { transform: translateY(-2px) scale(1.04); }
.chat-fab img { width: 100%; height: 100%; object-fit: cover; }

.chat-panel {
  position: fixed; right: 26px; bottom: 96px; z-index: 60;
  width: 380px; max-width: calc(100vw - 40px);
  height: 560px; max-height: calc(100vh - 140px);
  display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--border-strong);
  border-radius: var(--r-lg); box-shadow: var(--shadow);
  overflow: hidden;
  transform-origin: bottom right;
  opacity: 0; transform: translateY(14px) scale(.96); pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.chat-panel.is-open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.chat-head {
  display: flex; align-items: center; gap: 11px; padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}
.chat-head__avatar { width: 38px; height: 38px; border-radius: 50%; overflow: hidden; flex: none; border: 1px solid var(--border); background: var(--accent-soft); }
.chat-head__avatar img { width: 100%; height: 100%; object-fit: cover; }
.chat-head__name { font-weight: 650; font-size: 14.5px; }
.chat-head__status { font-size: 12px; color: #2fbf71; display: flex; align-items: center; gap: 5px; }
.chat-head__status .dot { width: 6px; height: 6px; border-radius: 50%; background: #2fbf71; }
.chat-head__close { margin-left: auto; }
.chat-body { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.msg { display: flex; gap: 9px; max-width: 88%; animation: rise .35s var(--ease) both; }
.msg__avatar { width: 28px; height: 28px; border-radius: 50%; overflow: hidden; flex: none; }
.msg__avatar img { width: 100%; height: 100%; object-fit: cover; }
.msg__bubble {
  padding: 10px 13px; border-radius: 14px; font-size: 13.5px; line-height: 1.5;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
}
.msg.bot { align-self: flex-start; }
.msg.user { align-self: flex-end; flex-direction: row-reverse; }
.msg.user .msg__bubble { background: var(--grad-accent); color: #fff; border-color: transparent; border-bottom-right-radius: 5px; }
.msg.bot .msg__bubble { border-bottom-left-radius: 5px; }
.typing { display: inline-flex; gap: 4px; padding: 4px 2px; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--text-3); animation: blink 1.2s infinite; }
.typing i:nth-child(2){ animation-delay: .2s } .typing i:nth-child(3){ animation-delay: .4s }
.chat-foot { padding: 12px; border-top: 1px solid var(--border); display: flex; gap: 9px; align-items: flex-end; background: var(--panel); }
.chat-foot textarea {
  flex: 1; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--input-bg);
  color: var(--text); padding: 11px 13px; font-size: 13.5px; resize: none; max-height: 110px; outline: none;
  transition: border-color var(--dur) var(--ease);
}
.chat-foot textarea:focus { border-color: var(--accent); }
.chat-foot button {
  width: 40px; height: 40px; border-radius: var(--r-md); flex: none;
  display: grid; place-items: center; background: var(--grad-accent); color: #fff;
  transition: transform var(--dur) var(--ease);
}
.chat-foot button:hover { transform: translateY(-1px); }
.chat-foot button svg { width: 18px; height: 18px; stroke: #fff; }

/* ============================================================
   ASSISTANT (full-page AI chat)
   ============================================================ */
.assistant-content { padding-top: 20px; }
.assistant {
  max-width: 860px; margin: 0 auto; width: 100%;
  display: flex; flex-direction: column;
  min-height: calc(100vh - 210px);
}
.assistant__thread {
  flex: 1; display: flex; flex-direction: column; gap: 14px; padding-bottom: 10px;
}
.assistant__welcome {
  margin: auto; text-align: center; max-width: 560px;
  animation: rise .5s var(--ease) both;
}
.assistant__avatar {
  width: 74px; height: 74px; border-radius: 50%; overflow: hidden;
  margin: 0 auto 18px; border: 1px solid var(--border);
  box-shadow: 0 16px 34px -16px var(--accent-glow);
}
.assistant__avatar img { width: 100%; height: 100%; object-fit: cover; }
.assistant__title { margin: 0 0 8px; font-size: 30px; font-weight: 700; letter-spacing: -0.02em; }
.assistant__sub { margin: 0 0 22px; color: var(--text-2); font-size: 15px; }
.assistant__chips { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; }
.assistant__thread .msg { max-width: 92%; }
.assistant__composer { position: sticky; bottom: 16px; margin-top: 16px; padding-top: 6px; }
.assistant__composer .ask { box-shadow: var(--shadow); }
.assistant__composer .ask__plus { color: var(--accent); stroke: var(--accent); }
.assistant__hint { text-align: center; color: var(--text-3); font-size: 12px; margin: 10px 0 0; }

/* Themed model picker (custom dropdown) in the composer toolbar */
.model-dd { position: relative; }
.model-dd__trigger {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 11px 7px 11px; border-radius: var(--r-pill);
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  font-size: 12.5px; font-weight: 600; cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.model-dd__trigger:hover { background: var(--panel-hover); border-color: var(--border-strong); }
.model-dd__trigger svg { width: 15px; height: 15px; stroke: currentColor; flex: none; }
.model-dd__trigger > svg:first-child { color: var(--accent); stroke: var(--accent); }
.model-dd__trigger > svg:last-child { width: 14px; height: 14px; stroke: var(--text-3); transition: transform var(--dur) var(--ease); }
.model-dd.is-open .model-dd__trigger { border-color: var(--accent); }
.model-dd.is-open .model-dd__trigger > svg:last-child { transform: rotate(180deg); }

.model-dd__menu {
  position: absolute; bottom: calc(100% + 8px); left: 0; z-index: 30;
  min-width: 200px; margin: 0; padding: 6px; list-style: none;
  background: var(--panel); border: 1px solid var(--border-strong);
  border-radius: var(--r-md); box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(6px) scale(.98);
  transform-origin: bottom left;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur) var(--ease);
}
.model-dd.is-open .model-dd__menu { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.model-dd__opt {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 9px 11px; border-radius: var(--r-sm);
  font-size: 13px; font-weight: 500; color: var(--text-2); cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.model-dd__opt:hover { background: var(--panel-hover); color: var(--text); }
.model-dd__opt svg { width: 16px; height: 16px; stroke: var(--accent); opacity: 0; flex: none; transition: opacity var(--dur) var(--ease); }
.model-dd__opt[aria-selected="true"] { color: var(--accent); background: var(--accent-soft); }
.model-dd__opt[aria-selected="true"] svg { opacity: 1; }
.model-dd.is-open { z-index: 40; }
/* Drop-DOWN variant (in-table category pickers) */
.model-dd--down .model-dd__menu { top: calc(100% + 8px); bottom: auto; left: 0; transform-origin: top left; transform: translateY(-6px) scale(.98); }
.model-dd--down.is-open .model-dd__menu { transform: translateY(0) scale(1); }
.model-dd--down .model-dd__trigger svg { color: var(--text-3); stroke: var(--text-3); }
.user-cat.model-dd { width: 100%; }
.user-cat .model-dd__trigger { width: 100%; justify-content: space-between; }
.user-cat .model-dd__menu { min-width: 100%; max-height: 260px; overflow-y: auto; }
.user-cat.changed .model-dd__trigger { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* ============================================================
   SIDEBAR: foldable Chat History
   ============================================================ */
.nav-collapse { display: flex; flex-direction: column; }
.nav-collapse__head { width: 100%; text-align: left; }
.nav-collapse__chev { margin-left: auto; width: 16px; height: 16px; transition: transform var(--dur) var(--ease); }
.nav-collapse.is-open .nav-collapse__chev { transform: rotate(180deg); }
.nav-collapse__body {
  max-height: 0; overflow: hidden;
  transition: max-height var(--dur) var(--ease);
  display: flex; flex-direction: column; gap: 2px;
}
.nav-collapse.is-open .nav-collapse__body { max-height: 460px; }
.history-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px 8px 32px; border-radius: var(--r-sm);
  color: var(--text-2); font-size: 13px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.history-item:hover { background: var(--panel-hover); color: var(--text); }
.history-item__title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Badge colour variants (history + drives) */
.badge--ai     { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.badge--search { background: rgba(96,165,250,.16); color: #60a5fa; border-color: transparent; }
.badge--nas    { background: rgba(47,191,113,.16); color: #2fbf71; border-color: transparent; }
.badge--cloud  { background: rgba(139,124,246,.18); color: #8b7cf6; border-color: transparent; }

/* ============================================================
   ADMINISTRATOR page
   ============================================================ */
.admin-card { padding: 20px 22px; margin-bottom: 16px; }
.admin-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.admin-card__head h2 { margin: 0; font-size: 16px; font-weight: 650; }
.admin-card__desc { margin: 4px 0 0; font-size: 13px; color: var(--text-3); }
.btn-sm { padding: 8px 13px; font-size: 13px; border-radius: var(--r-sm); }
.btn-primary.btn-sm svg { width: 15px; height: 15px; }

.inp {
  padding: 10px 13px; border-radius: var(--r-sm);
  background: var(--input-bg); border: 1px solid var(--border); color: var(--text);
  font-size: 13.5px; outline: none; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.inp::placeholder { color: var(--text-3); }
.inp:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.drive-add { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.drive-add .inp { flex: 1; min-width: 220px; }
.drive-list { display: flex; flex-direction: column; gap: 10px; }
.drive-row {
  display: flex; align-items: center; gap: 14px; padding: 12px 14px;
  border: 1px solid var(--border); border-radius: var(--r-md); background: var(--panel-2);
  transition: opacity var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.drive-row.is-off { opacity: .5; }
.drive-row__ico { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); flex: none; }
.drive-row__ico svg { width: 20px; height: 20px; stroke: currentColor; }
.drive-row__main { flex: 1; min-width: 0; }
.drive-row__name { font-weight: 600; font-size: 14px; display: flex; align-items: center; gap: 8px; }
.drive-row__path { font-size: 12.5px; color: var(--text-3); margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.drive-row__files { font-variant-numeric: tabular-nums; color: var(--text-2); }
.drive-remove { flex: none; }
.drive-remove:hover { color: var(--accent); border-color: var(--accent); }

/* Crawl status */
.crawl-state { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--accent); }
.crawl-state__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); animation: pulse 1.4s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 var(--accent-glow); opacity: 1; } 50% { box-shadow: 0 0 0 7px transparent; opacity: .55; } }
.crawl__bar { position: relative; height: 8px; border-radius: var(--r-pill); background: var(--panel-hover); overflow: hidden; }
.crawl__scan { position: absolute; top: 0; bottom: 0; width: 32%; border-radius: var(--r-pill); background: var(--grad-accent); animation: scan 1.5s var(--ease) infinite; }
@keyframes scan { 0% { left: -34%; } 100% { left: 102%; } }
.crawl__stats { display: flex; justify-content: space-between; margin-top: 12px; font-size: 13px; color: var(--text-2); }
.crawl__stats b { color: var(--text); font-variant-numeric: tabular-nums; }

/* System metrics */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.metric { padding: 14px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--panel-2); }
.metric__top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.metric__label { font-size: 12px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; }
.metric__val { font-size: 18px; font-weight: 700; font-variant-numeric: tabular-nums; }
.metric__bar { height: 8px; border-radius: var(--r-pill); background: var(--panel-hover); overflow: hidden; }
.metric__fill { display: block; height: 100%; border-radius: var(--r-pill); background: var(--grad-accent); transition: width .8s var(--ease); }
.metric.is-high .metric__fill { background: linear-gradient(135deg, #ff7a3d, #e5401f); }

/* Users & access */
.user-table { display: flex; flex-direction: column; }
.user-table__head, .user-row { display: grid; grid-template-columns: 1fr 220px 56px; align-items: center; gap: 14px; }
.user-table__head { padding: 0 4px 10px; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); font-weight: 600; border-bottom: 1px solid var(--border); }
.user-row { padding: 12px 4px; border-bottom: 1px solid var(--border); }
.user-row:last-child { border-bottom: none; }
.user-row__who { display: flex; align-items: center; gap: 11px; min-width: 0; }
.user-row__avatar { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: 14px; flex: none; }
.user-row__name { font-weight: 600; font-size: 14px; }
.user-row__id { font-size: 12px; color: var(--text-3); }
.user-cat.select { width: 100%; }
.user-cat select { width: 100%; }
.user-cat.changed select { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

@media (max-width: 720px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .user-table__head, .user-row { grid-template-columns: 1fr 150px 48px; }
}

/* ============================================================
   SETTINGS
   ============================================================ */
.settings-grid { display: grid; grid-template-columns: 214px 1fr; gap: 22px; }
.settings-nav { display: flex; flex-direction: column; gap: 3px; position: sticky; top: 96px; align-self: start; }
.settings-nav button {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px; border-radius: var(--r-sm);
  color: var(--text-2); font-size: 14px; font-weight: 500; text-align: left; width: 100%;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.settings-nav button svg { width: 17px; height: 17px; stroke: currentColor; }
.settings-nav button:hover { background: var(--panel-hover); color: var(--text); }
.settings-nav button.is-active { background: var(--accent-soft); color: var(--accent); }

.settings-panel { display: flex; flex-direction: column; gap: 18px; }
.settings-card { padding: 8px 22px; }
.settings-card h2 { font-size: 16px; font-weight: 650; padding: 16px 0 4px; margin: 0; }
.set-row {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 0; border-top: 1px solid var(--border);
}
.settings-card h2 + .set-row { border-top: none; }
.set-row__main { flex: 1; min-width: 0; }
.set-row__title { font-size: 14.5px; font-weight: 550; }
.set-row__desc { font-size: 13px; color: var(--text-3); margin-top: 3px; }

/* select */
.select {
  position: relative; display: inline-flex; align-items: center;
}
.select select {
  appearance: none; -webkit-appearance: none;
  padding: 9px 34px 9px 14px; border-radius: var(--r-sm);
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  font-size: 13.5px; font-weight: 500; cursor: pointer; outline: none;
  transition: border-color var(--dur) var(--ease);
}
.select select:hover { border-color: var(--border-strong); }
.select svg { position: absolute; right: 11px; width: 15px; height: 15px; stroke: var(--text-3); pointer-events: none; }

/* toggle switch */
.switch { position: relative; width: 46px; height: 26px; flex: none; }
.switch input { display: none; }
.switch label {
  position: absolute; inset: 0; border-radius: var(--r-pill);
  background: var(--panel-hover); border: 1px solid var(--border); cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.switch label::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px; border-radius: 50%; background: var(--text-3);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.switch input:checked + label { background: var(--grad-accent); border-color: transparent; }
.switch input:checked + label::after { transform: translateX(20px); background: #fff; }

.btn-outline {
  padding: 9px 16px; border-radius: var(--r-sm);
  background: transparent; border: 1px solid var(--border-strong); color: var(--text);
  font-size: 13.5px; font-weight: 600;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn-outline:hover { background: var(--panel-hover); }
.btn-outline.danger { color: var(--accent); border-color: var(--accent); }
.btn-outline.danger:hover { background: var(--accent-soft); }

/* ============================================================
   VERSION UPDATES
   ============================================================ */
.updates-current {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 20px 22px; margin-bottom: 26px;
}
.updates-current .vlabel { color: var(--text-3); font-size: 13px; }
.updates-current .vnum { font-size: 30px; font-weight: 700; letter-spacing: -0.02em; }
.updates-current .vtag {
  font-size: 12px; font-weight: 600; color: var(--accent);
  background: var(--accent-soft); padding: 4px 11px; border-radius: var(--r-pill);
}
.updates-current .vspacer { flex: 1; }
.updates-current .vdate { color: var(--text-3); font-size: 13px; }

.timeline { position: relative; padding-left: 26px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px;
  background: var(--border-strong);
}
.rel { position: relative; margin-bottom: 26px; }
.rel::before {
  content: ""; position: absolute; left: -26px; top: 4px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.rel__head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.rel__ver { font-size: 18px; font-weight: 700; }
.rel__title { color: var(--text-2); font-size: 14.5px; }
.rel__date { color: var(--text-3); font-size: 12.5px; margin-left: auto; }
.rel__notes { display: flex; flex-direction: column; gap: 9px; }
.note { display: flex; align-items: flex-start; gap: 11px; font-size: 14px; color: var(--text-2); }
.note__tag {
  font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  padding: 3px 9px; border-radius: var(--r-pill); flex: none; margin-top: 1px; min-width: 62px; text-align: center;
}
.note__tag.new { background: rgba(47,191,113,.14); color: #2fbf71; }
.note__tag.improved { background: var(--accent-soft); color: var(--accent); }
.note__tag.fixed { background: rgba(96,165,250,.16); color: #60a5fa; }

/* ============================================================
   Animations
   ============================================================ */
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes blink { 0%,60%,100% { opacity:.25; transform: translateY(0);} 30% { opacity:1; transform: translateY(-2px);} }
.stagger > * { animation: rise .45s var(--ease) both; }
.stagger > *:nth-child(2){ animation-delay:.05s } .stagger > *:nth-child(3){ animation-delay:.1s }
.stagger > *:nth-child(4){ animation-delay:.15s } .stagger > *:nth-child(5){ animation-delay:.2s }
.stagger > *:nth-child(6){ animation-delay:.25s }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ============================================================
   Collapsible sidebar rail (desktop)
   ============================================================ */
.rail-btn { display: grid; }
.app { transition: grid-template-columns var(--dur) var(--ease); }
.sidebar { transition: padding var(--dur) var(--ease); }
.brand, .nav-item, .side-new, .side-foot__version { transition: padding var(--dur) var(--ease); }

@media (min-width: 861px) {
  :root[data-rail="1"] { --sidebar-w: 76px; }
  :root[data-rail="1"] .sidebar { padding: 18px 12px; }
  :root[data-rail="1"] .brand { justify-content: center; gap: 0; padding: 8px 0 14px; }
  :root[data-rail="1"] .brand > span:last-child { display: none; }
  :root[data-rail="1"] .side-new { padding-left: 0; padding-right: 0; }
  :root[data-rail="1"] .side-new span { display: none; }
  :root[data-rail="1"] .nav-label { display: none; }
  :root[data-rail="1"] .nav-group { margin-top: 6px; }
  :root[data-rail="1"] .nav-item { justify-content: center; padding-left: 0; padding-right: 0; gap: 0; }
  :root[data-rail="1"] .nav-item > span:not(.badge) { display: none; }
  :root[data-rail="1"] .nav-collapse__chev { display: none; }
  :root[data-rail="1"] .nav-collapse.is-open .nav-collapse__body { max-height: 0; }
  :root[data-rail="1"] .side-foot { padding-left: 0; padding-right: 0; }
  :root[data-rail="1"] .side-foot__version { justify-content: center; padding-left: 0; padding-right: 0; }
  :root[data-rail="1"] .side-foot__version span:not(.tag) { display: none; }
  :root[data-rail="1"] .side-foot__version .tag { display: none; }
}
@media (max-width: 860px) { .rail-btn { display: none; } }

/* ============================================================
   Sidebar toggle (mobile)
   ============================================================ */
.menu-btn { display: none; }
.scrim-el {
  position: fixed; inset: 0; background: var(--scrim); z-index: 40;
  opacity: 0; pointer-events: none; transition: opacity var(--dur) var(--ease);
}
.scrim-el.is-on { opacity: 1; pointer-events: auto; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1080px) {
  .feature-cards { grid-template-columns: 1fr; }
  .hero__title { font-size: 38px; }
}
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; left: 0; top: 0; z-index: 50; width: 280px;
    transform: translateX(-100%); transition: transform var(--dur) var(--ease);
  }
  .sidebar.is-open { transform: translateX(0); box-shadow: var(--shadow); }
  .menu-btn { display: grid; }
  .content { padding: 24px 18px 48px; }
  .topbar { padding: 12px 16px; }
  .settings-grid { grid-template-columns: 1fr; }
  .settings-nav { position: static; flex-direction: row; overflow-x: auto; padding-bottom: 6px; }
  .settings-nav button { white-space: nowrap; }
  .foot { padding: 18px; }
  .hide-sm { display: none !important; }
}
@media (max-width: 480px) {
  .hero__title { font-size: 30px; }
  .page-head h1 { font-size: 24px; }
  .chat-panel { right: 12px; left: 12px; width: auto; bottom: 88px; }
}