/* ==========================================================================
   TodoXMock — app shell + dashboard
   Loads after css/tokens.css. Same design language as the landing page and
   the onboarding: #2563EB · #0F172A · #475569 · #F8FAFC · white cards ·
   #E2E8F0 borders · 12–16px radii · subtle shadows.
   ========================================================================== */

/* --------------------------------------------------------------- base */
/* Accessible text tones: --ok/--warn/--err are tuned for graphics and passes
   WCAG AA as text only in their darker/lighter variants, so text uses these. */
:root {
  --ok-text: #047857;
  --warn-text: #B45309;
  --err-text: #DC2626;
}
html[data-theme="dark"] {
  --ok-text: #34D399;
  --warn-text: #FBBF24;
  --err-text: #F87171;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .25s var(--ease), color .25s var(--ease);
}
h1, h2, h3, p, ul, ol, li, dl, dt, dd { margin: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
input { font: inherit; }

.sprite { display: none; }
.ic { width: 20px; height: 20px; display: block; flex: 0 0 auto; }
.ic.sm { width: 16px; height: 16px; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 8px; }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px;
  border-radius: var(--r-btn);
  border: 1px solid transparent;
  font-size: 14px; font-weight: 620;
  cursor: pointer; white-space: nowrap;
  transition: transform .16s var(--ease), box-shadow .22s var(--ease),
              background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn .btn-ic { width: 16px; height: 16px; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-sm { padding: 9px 14px; font-size: 13.5px; }
.btn-lg { padding: 14px 24px; font-size: 15.5px; }
.btn-block { width: 100%; }

.btn-primary { color: #fff; background: linear-gradient(180deg, var(--btn-a), var(--btn-b)); box-shadow: var(--sh-blue), inset 0 1px 0 rgba(255,255,255,.16); }
.btn-primary:hover { background: linear-gradient(180deg, var(--btn-a-h), var(--btn-b-h)); box-shadow: 0 12px 26px rgba(37,99,235,.30), inset 0 1px 0 rgba(255,255,255,.18); }
.btn-quiet { background: var(--card); border-color: var(--line); color: var(--ink); }
.btn-quiet:hover { border-color: var(--blue-border); background: var(--primary-soft); color: var(--primary-700); }

.icon-btn {
  width: 40px; height: 40px; flex: 0 0 40px;
  display: grid; place-items: center; position: relative;
  background: transparent; border: 1px solid var(--line);
  border-radius: var(--pill); cursor: pointer; color: var(--muted);
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.icon-btn:hover { background: var(--primary-soft); border-color: var(--primary-line); color: var(--primary); }
.icon-btn.sm { width: 32px; height: 32px; flex-basis: 32px; }
.ic-moon { display: none; }
html[data-theme="dark"] .ic-sun { display: none; }
html[data-theme="dark"] .ic-moon { display: block; }

.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 620; color: var(--outline-fg); }
.link-arrow .ic { width: 15px; height: 15px; }
.link-arrow:hover { color: var(--primary-700); }

/* --------------------------------------------------------------- brand */
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { width: 34px; height: 34px; flex: 0 0 34px; display: grid; place-items: center; border-radius: 10px; box-shadow: 0 6px 16px rgba(37,99,235,.28); }
.brand-mark .ic { width: 34px; height: 34px; }
.brand-mark.sm { width: 28px; height: 28px; flex-basis: 28px; border-radius: 8px; }
.brand-mark.sm .ic { width: 28px; height: 28px; }
.brand-txt { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-size: 17px; font-weight: 780; letter-spacing: -.025em; color: var(--ink); }
.brand-name em { font-style: normal; color: var(--accent-text); }
.brand-tag { font-size: 9.5px; letter-spacing: .13em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }

/* --------------------------------------------------------------- layout */
.app-grid { display: grid; grid-template-columns: 252px minmax(0, 1fr); min-height: 100vh; }
.app-main { min-width: 0; display: flex; flex-direction: column; }

/* --------------------------------------------------------------- sidebar */
.sidebar {
  position: sticky; top: 0; align-self: start;
  height: 100vh;
  display: flex; flex-direction: column; gap: 18px;
  padding: 20px 16px;
  background: var(--card);
  border-right: 1px solid var(--line);
  z-index: 40;
}
.side-brand { padding: 4px 8px 2px; }
.side-nav { display: flex; flex-direction: column; gap: 2px; }
.side-link {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 12px;
  border-radius: 12px;
  font-size: 14.5px; font-weight: 600; color: var(--muted);
  transition: background .18s var(--ease), color .18s var(--ease);
}
.side-link:hover { background: var(--primary-soft); color: var(--ink); }
.side-link.is-active { background: var(--primary-soft); color: var(--primary); }
.side-link.is-active .ic { color: var(--primary); }
html[data-theme="dark"] .side-link.is-active { color: var(--accent-text); }
html[data-theme="dark"] .side-link.is-active .ic { color: var(--accent-text); }
.side-foot { margin-top: auto; display: flex; flex-direction: column; gap: 12px; }

.quote-card {
  display: flex; gap: 10px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--primary-line);
  background: linear-gradient(160deg, var(--primary-soft), transparent);
}
.quote-card .ic { width: 18px; height: 18px; color: var(--primary); flex: 0 0 18px; margin-top: 2px; }
.quote-card p { font-size: 13.5px; font-weight: 650; line-height: 1.45; color: var(--primary-700); }
html[data-theme="dark"] .quote-card p { color: var(--accent-text); }

.theme-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--card); cursor: pointer;
  font-size: 13.5px; font-weight: 620; color: var(--muted);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.theme-row:hover { border-color: var(--blue-border); color: var(--ink); }
.theme-ico { display: grid; place-items: center; color: var(--muted); }
.theme-ico .ic { width: 17px; height: 17px; }
.theme-label { flex: 1; text-align: left; }
.switch { width: 38px; height: 22px; border-radius: 99px; background: var(--line); position: relative; transition: background .2s var(--ease); flex: 0 0 38px; }
.switch i { position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(15,23,42,.25); transition: transform .22s var(--ease); }
html[data-theme="dark"] .switch { background: var(--primary); }
html[data-theme="dark"] .switch i { transform: translateX(16px); }

/* --------------------------------------------------------------- topbar */
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.tb-in { display: flex; align-items: center; gap: 20px; padding: 12px 28px; }
.search {
  position: relative; flex: 1; max-width: 460px;
  display: flex; align-items: center; gap: 10px;
  padding: 0 14px;
  height: 44px;
  background: var(--card);
  border: 1px solid var(--line); border-radius: 12px;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.13); }
.search .ic { width: 18px; height: 18px; color: var(--muted); }
.search input { flex: 1; border: 0; background: none; outline: none; color: var(--ink); font-size: 14.5px; }
.search input::placeholder { color: #94A3B8; }
.search kbd {
  font-family: inherit; font-size: 11px; font-weight: 700; color: var(--muted-2);
  border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; background: var(--bg);
}
.tb-right { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.bell-dot { position: absolute; top: 8px; right: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--err); border: 2px solid var(--bg); }
.user-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 5px 12px 5px 5px;
  background: var(--card); border: 1px solid var(--line); border-radius: 99px;
  cursor: pointer;
  transition: border-color .18s var(--ease), background .18s var(--ease);
}
.user-btn:hover { border-color: var(--blue-border); background: var(--primary-soft); }
.avatar {
  width: 34px; height: 34px; flex: 0 0 34px; border-radius: 50%;
  display: grid; place-items: center;
  background-color: var(--primary-600);
  background-image: linear-gradient(140deg, var(--primary-400), var(--primary-600));
  color: #fff; font-size: 12.5px; font-weight: 750; letter-spacing: .02em;
}
.avatar.lg { width: 40px; height: 40px; flex-basis: 40px; font-size: 14px; }
.avatar.xl { width: 52px; height: 52px; flex-basis: 52px; font-size: 17px; }
.user-btn .hi { font-size: 14px; font-weight: 650; color: var(--ink); }
.user-btn .chev { width: 16px; height: 16px; color: var(--muted); }

/* --------------------------------------------------------------- content */
.content { padding: 24px 28px 56px; max-width: 1440px; width: 100%; }
.page-head { margin-bottom: 18px; }
.page-title { font-size: clamp(22px, 2.6vw, 27px); font-weight: 820; letter-spacing: -.03em; color: var(--ink); }
.page-sub { margin-top: 6px; font-size: 14.5px; color: var(--muted); }
.page-note {
  display: flex; align-items: center; gap: 8px; margin-top: 16px;
  font-size: 13px; color: var(--muted-2);
}
.page-note .ic { width: 16px; height: 16px; }
.sec-label { margin: 26px 0 10px; font-size: 11.5px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--sh);
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.card-title { font-size: 16px; font-weight: 720; letter-spacing: -.02em; color: var(--ink); }
.card-title.sm { font-size: 14.5px; }
.tag-soft { font-size: 12px; font-weight: 650; color: var(--outline-fg); background: var(--primary-soft); border: 1px solid var(--primary-line); border-radius: 8px; padding: 3px 9px; }

/* --------------------------------------------------------------- welcome */
.dash-welcome { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: 18px; align-items: stretch; margin-bottom: 18px; }
[data-mount="welcome"] { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: 18px; margin-bottom: 18px; }
.welcome { align-self: center; }
.w-eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); }
.w-title { margin-top: 8px; font-size: clamp(24px, 3vw, 32px); font-weight: 830; letter-spacing: -.032em; color: var(--ink); line-height: 1.2; }
.w-sub { margin-top: 8px; font-size: 15px; color: var(--muted); }

.mot-card { position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; min-height: 148px; }
.mot-art { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .9; }
.ma-far { fill: var(--primary-soft); }
.ma-near { fill: var(--primary-line); }
.ma-sun { fill: var(--primary-soft); }
.mot-quote { width: 18px; height: 18px; color: var(--primary); position: relative; }
.mot-text { position: relative; margin-top: 8px; font-size: 15.5px; font-weight: 700; letter-spacing: -.015em; color: var(--ink); line-height: 1.4; }

/* --------------------------------------------------------------- stats */
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 18px; }
.stat-card { display: flex; flex-direction: column; }
.stat-card.mini { padding: 16px; }
.stat-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.stat-label { font-size: 11.5px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); }
.stat-big { margin-top: 12px; display: flex; align-items: center; gap: 10px; font-size: 30px; font-weight: 820; letter-spacing: -.035em; color: var(--ink); line-height: 1.1; }
.stat-big.good { color: var(--ok-text); }
.stat-big.low { color: var(--err-text); }
.stat-ico { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--primary-soft); border: 1px solid var(--primary-line); color: var(--primary); }
.stat-ico .ic { width: 18px; height: 18px; }
.stat-ico.flame { background: #FFF1E7; border-color: #FED7AA; color: #EA580C; }
html[data-theme="dark"] .stat-ico.flame { background: rgba(234,88,12,.16); border-color: rgba(234,88,12,.32); }
.stat-unit { margin-top: 2px; font-size: 12.5px; font-weight: 650; color: var(--muted); }
.stat-foot { margin-top: auto; padding-top: 10px; font-size: 12.5px; color: var(--muted-2); }

.ring-wrap { position: relative; margin: 10px auto 4px; width: 96px; height: 96px; }
.ring-val { position: absolute; inset: 0; display: grid; place-items: center; font-size: 24px; font-weight: 820; letter-spacing: -.04em; color: var(--ink); }
.ring-val em { font-style: normal; font-size: 14px; font-weight: 700; margin-left: 1px; }
.ring-arc { transition: stroke-dashoffset .7s var(--ease); }
.stat-progress .stat-foot { text-align: center; }
.stat-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.sample-chip { font-size: 10px; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; color: var(--outline-fg); background: var(--primary-soft); border: 1px solid var(--primary-line); border-radius: 6px; padding: 2px 6px; }

/* --------------------------------------------------------------- dashboard grid */
.dash-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 16px; align-items: start; margin-bottom: 16px; }
.col-side { display: flex; flex-direction: column; gap: 16px; }
.dash-grid-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: start; }

/* --------------------------------------------------------------- tasks */
.task-list { display: flex; flex-direction: column; gap: 2px; }
.task-row {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 10px; border-radius: 12px;
  transition: background .18s var(--ease);
  animation: rowIn .25s var(--ease) both;
}
.task-row:hover { background: var(--bg); }
.task-row:hover .t-del { opacity: 1; }
.tick {
  width: 22px; height: 22px; flex: 0 0 22px;
  border-radius: 7px; border: 1.6px solid var(--line); background: var(--card);
  display: grid; place-items: center; color: transparent; cursor: pointer;
  transition: background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);
}
.tick .ic { width: 13px; height: 13px; }
.tick:hover { border-color: var(--primary); }
.task-row.is-done .tick { background: var(--primary); border-color: var(--primary); color: #fff; }
.t-title { flex: 1 1 0; width: 0; min-width: 0; font-size: 14.5px; font-weight: 600; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: color .2s var(--ease); }
.task-row.is-done .t-title { color: var(--muted-2); text-decoration: line-through; text-decoration-color: var(--line); }
.t-sub { font-size: 11.5px; font-weight: 650; color: var(--muted); background: var(--chip); border: 1px solid var(--line); border-radius: 7px; padding: 2px 8px; white-space: nowrap; }
.t-dur { font-size: 12.5px; font-weight: 700; color: var(--muted); font-variant-numeric: tabular-nums; min-width: 34px; text-align: right; }
.t-when { font-size: 12px; color: var(--muted-2); min-width: 52px; text-align: right; }
.t-del { opacity: 0; width: 30px; height: 30px; display: grid; place-items: center; border: 0; background: none; color: var(--muted-2); cursor: pointer; border-radius: 8px; transition: opacity .18s var(--ease), color .18s var(--ease), background .18s var(--ease); }
.t-del:hover { color: var(--err); background: rgba(239,68,68,.08); }
.t-del .ic { width: 16px; height: 16px; }

.quick-add {
  display: flex; align-items: center; gap: 10px;
  margin-top: 14px; padding: 8px 8px 8px 14px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 12px;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.quick-add:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.qa-plus { display: grid; place-items: center; color: var(--muted); }
.qa-plus .ic { width: 17px; height: 17px; }
.qa-input { flex: 1 1 0; width: 0; min-width: 0; border: 0; background: none; outline: none; font-size: 14.5px; color: var(--ink); }
.qa-input::placeholder { color: #94A3B8; }
.qa-date { border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; background: var(--card); color: var(--muted); font-size: 12.5px; }
.mob-add { display: none; }

/* --------------------------------------------------------------- countdown */
.cd-card { background: linear-gradient(165deg, var(--primary-soft) 0%, var(--card) 46%); }
.cd-ico { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--card); border: 1px solid var(--primary-line); color: var(--primary); }
.cd-label { font-size: 13.5px; font-weight: 680; color: var(--ink); }
.cd-days { margin-top: 6px; display: flex; align-items: baseline; gap: 8px; }
.cd-days b { font-size: 40px; font-weight: 830; letter-spacing: -.045em; color: var(--primary); line-height: 1; }
.cd-days span { font-size: 13.5px; font-weight: 650; color: var(--muted); }
.cd-date { margin: 10px 0 14px; font-size: 12.5px; color: var(--muted-2); }

/* --------------------------------------------------------------- resume mock */
.resume-card { position: relative; }
.rs-name { font-size: 14.5px; font-weight: 700; color: var(--ink); line-height: 1.35; }
.rs-cat { margin-top: 3px; font-size: 12.5px; color: var(--muted); }
.rs-bar { height: 8px; border-radius: 99px; background: var(--line-2); overflow: hidden; margin: 14px 0 8px; }
.rs-bar i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--primary-400), var(--primary-600)); transition: width .5s var(--ease); }
.rs-meta { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; color: var(--muted); margin-bottom: 14px; }
.rs-meta b { color: var(--ink); font-size: 13.5px; }

.menu-wrap { position: relative; }
.menu {
  position: absolute; right: 0; top: 36px; z-index: 20;
  min-width: 168px; padding: 6px;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--sh-lg);
}
.menu button {
  display: block; width: 100%; text-align: left;
  padding: 9px 12px; border: 0; background: none; border-radius: 8px;
  font-size: 13.5px; font-weight: 600; color: var(--ink); cursor: pointer;
}
.menu button:hover { background: var(--primary-soft); color: var(--primary-700); }

/* --------------------------------------------------------------- quick actions */
.quick-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.qa-item {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 14px;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--card);
  transition: transform .16s var(--ease), border-color .18s var(--ease), background .18s var(--ease), box-shadow .18s var(--ease);
}
.qa-item:hover { transform: translateY(-2px); border-color: var(--blue-border); background: var(--primary-soft); box-shadow: var(--sh-sm); }
.qa-ico { display: grid; place-items: center; width: 34px; height: 34px; flex: 0 0 34px; border-radius: 10px; background: var(--primary-soft); border: 1px solid var(--primary-line); color: var(--primary); }
.qa-ico .ic { width: 17px; height: 17px; }
.qa-label { font-size: 13.5px; font-weight: 650; color: var(--ink); }
.qa-arrow { width: 15px; height: 15px; margin-left: auto; color: var(--muted-2); }

/* --------------------------------------------------------------- performance */
.perf-list { display: flex; flex-direction: column; gap: 2px; }
.perf-row { display: flex; align-items: center; gap: 12px; padding: 11px 10px; border-radius: 12px; transition: background .18s var(--ease); }
.perf-row:hover { background: var(--bg); }
.pf-ico { display: grid; place-items: center; width: 34px; height: 34px; flex: 0 0 34px; border-radius: 10px; background: var(--primary-soft); border: 1px solid var(--primary-line); color: var(--primary); }
.pf-ico .ic { width: 17px; height: 17px; }
.pf-main { flex: 1 1 0; width: 0; min-width: 0; display: flex; flex-direction: column; }
.pf-main b { font-size: 14px; font-weight: 680; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pf-main span { font-size: 12px; color: var(--muted-2); }
.pf-score { font-size: 15px; font-weight: 800; letter-spacing: -.02em; }
.pf-score.good { color: var(--ok-text); }
.pf-score.ok { color: var(--warn-text); }
.pf-score.low { color: var(--err-text); }
.pf-score.muted { color: var(--muted-2); }
.pf-date { font-size: 12.5px; color: var(--muted-2); min-width: 52px; text-align: right; }

/* --------------------------------------------------------------- weekly chart */
.chart { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; align-items: end; height: 172px; padding-top: 8px; }
.ch-col { display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; }
.ch-bar-wrap { flex: 1; width: 100%; display: flex; align-items: flex-end; justify-content: center; }
.ch-bar { width: 100%; max-width: 30px; border-radius: 8px 8px 4px 4px; background: var(--line); transition: height .6s var(--ease); min-height: 4px; }
.ch-col.is-today .ch-bar { background: linear-gradient(180deg, var(--primary-400), var(--primary-600)); }
.ch-day { font-size: 11.5px; font-weight: 700; color: var(--muted-2); }
.ch-col.is-today .ch-day { color: var(--primary); }
.ch-val { font-size: 11px; font-weight: 650; color: var(--muted-2); font-variant-numeric: tabular-nums; }
.chart.is-empty { opacity: .5; }
.chart-foot { margin-top: 12px; font-size: 12.5px; color: var(--muted-2); }

/* --------------------------------------------------------------- empty states */
.empty { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px; padding: 22px 16px; }
.empty-ico { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: var(--primary-soft); border: 1px solid var(--primary-line); color: var(--primary); margin-bottom: 8px; }
.empty-ico .ic { width: 22px; height: 22px; }
.empty-title { font-size: 14.5px; font-weight: 700; color: var(--ink); }
.empty-text { font-size: 13px; color: var(--muted); max-width: 34ch; margin-bottom: 6px; }
.coming { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px; padding: 34px 16px; }
.coming .btn { margin-top: 10px; }

/* --------------------------------------------------------------- sample bar */
.sample-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; margin-bottom: 18px;
  border: 1px dashed var(--blue-border); border-radius: 14px;
  background: var(--primary-soft);
}
.sample-bar .ic { width: 18px; height: 18px; color: var(--primary); }
.sample-bar p { flex: 1; min-width: 220px; font-size: 13.5px; color: var(--muted); }
.sample-bar p b { color: var(--ink); }

/* --------------------------------------------------------------- popovers */
.pop {
  position: fixed; z-index: 200;
  min-width: 268px; max-width: 340px;
  padding: 8px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--sh-lg);
  animation: popIn .16s var(--ease) both;
}
@keyframes popIn { from { opacity: 0; transform: translateY(-6px); } }
.pop-head { display: flex; align-items: center; justify-content: space-between; padding: 6px 10px 8px; font-size: 11.5px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); }
.pop-head span { font-size: 11px; background: var(--primary-soft); color: var(--primary-700); border-radius: 99px; padding: 1px 7px; }
.pop-item { display: flex; gap: 10px; padding: 9px 10px; border-radius: 10px; transition: background .16s var(--ease); }
.pop-item:hover { background: var(--primary-soft); }
.pop-ico { display: grid; place-items: center; width: 30px; height: 30px; flex: 0 0 30px; border-radius: 9px; background: var(--bg); border: 1px solid var(--line); color: var(--primary); }
.pop-ico .ic { width: 15px; height: 15px; }
.pop-txt { display: flex; flex-direction: column; min-width: 0; }
.pop-txt b { font-size: 13.5px; font-weight: 680; color: var(--ink); }
.pop-txt span { font-size: 12px; color: var(--muted-2); }
.pop-empty { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 3px; padding: 18px 14px; }
.pop-empty.compact { padding: 12px; }
.pop-empty .ic { width: 24px; height: 24px; color: var(--primary); margin-bottom: 4px; }
.pop-empty p { font-size: 13.5px; font-weight: 650; color: var(--ink); }
.pop-empty span { font-size: 12px; color: var(--muted-2); }
.pop-user-head { display: flex; align-items: center; gap: 12px; padding: 8px 10px 12px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.pop-user-head b { display: block; font-size: 14.5px; font-weight: 720; color: var(--ink); }
.pop-user-head span { font-size: 12.5px; color: var(--muted); }

/* --------------------------------------------------------------- section pages */
.tabs { display: flex; gap: 4px; margin-bottom: 16px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 4px; width: fit-content; max-width: 100%; overflow-x: auto; }
.tab { padding: 9px 16px; border: 0; background: none; border-radius: 9px; font-size: 13.5px; font-weight: 650; color: var(--muted); cursor: pointer; white-space: nowrap; transition: background .18s var(--ease), color .18s var(--ease); }
.tab:hover { color: var(--ink); }
.tab.is-active { background: var(--primary-soft); color: var(--primary-700); }
html[data-theme="dark"] .tab.is-active { color: var(--accent-text); }
html[data-theme="dark"] .status.done { background: rgba(52,211,153,.14); border-color: rgba(52,211,153,.30); }

.mock-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.mock-card { display: flex; flex-direction: column; }
.mock-card .card-head { align-items: flex-start; gap: 8px; }
.status { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 700; padding: 3px 9px; border-radius: 99px; white-space: nowrap; }
.status .ic { width: 12px; height: 12px; }
.status.done { background: rgba(16,185,129,.12); color: var(--ok-text); border: 1px solid rgba(16,185,129,.28); }
.status.prog { background: var(--primary-soft); color: var(--primary-700); border: 1px solid var(--primary-line); }
.status.new { background: var(--chip); color: var(--muted); border: 1px solid var(--line); }
.mk-meta { font-size: 13px; color: var(--muted); }
.mk-prog { font-size: 12.5px; color: var(--muted-2); margin-bottom: 14px; }
.mock-card .btn { margin-top: auto; }

.subj-list { display: flex; flex-direction: column; gap: 14px; }
.subj-list li { display: grid; grid-template-columns: 140px minmax(0, 1fr) 52px 62px; align-items: center; gap: 12px; }
.sj-name { font-size: 13.5px; font-weight: 650; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sj-bar { height: 9px; border-radius: 99px; background: var(--line-2); overflow: hidden; }
.sj-bar i { display: block; height: 100%; border-radius: 99px; background: var(--primary); }
.sj-bar i.good { background: var(--ok); }
.sj-bar i.ok { background: var(--warn); }
.sj-bar i.low { background: var(--err); }
.sj-val { font-size: 14px; font-weight: 780; text-align: right; }
.sj-val.good { color: var(--ok-text); }
.sj-val.ok { color: var(--warn-text); }
.sj-val.low { color: var(--err-text); }
.sj-n { font-size: 12px; color: var(--muted-2); text-align: right; }

.more-list { display: flex; flex-direction: column; gap: 8px; }
.more-item {
  display: flex; align-items: center; gap: 12px; width: 100%;
  padding: 14px 16px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  font-size: 14.5px; font-weight: 620; color: var(--ink); cursor: pointer; text-align: left;
  transition: transform .16s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.more-item:hover { transform: translateY(-2px); border-color: var(--blue-border); box-shadow: var(--sh-sm); }
.more-item.danger { color: var(--err); }
.more-item.danger .more-ico { background: rgba(239,68,68,.10); border-color: rgba(239,68,68,.24); color: var(--err); }
.more-ico { display: grid; place-items: center; width: 36px; height: 36px; flex: 0 0 36px; border-radius: 11px; background: var(--primary-soft); border: 1px solid var(--primary-line); color: var(--primary); }
.more-ico .ic { width: 18px; height: 18px; }
.more-arrow { margin-left: auto; width: 16px; height: 16px; color: var(--muted-2); }

.prof-card { display: flex; align-items: center; gap: 14px; }
.prof-txt { display: flex; flex-direction: column; }
.prof-txt b { font-size: 17px; font-weight: 780; letter-spacing: -.02em; color: var(--ink); }
.prof-txt span { font-size: 13px; color: var(--muted); }
.quote-card.big { padding: 18px; }
.quote-card.big p { font-size: 15px; }
.about-card { display: flex; flex-direction: column; gap: 10px; }
.about-card p { font-size: 13.5px; color: var(--muted); }
.kv { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.kv dt { font-size: 11.5px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; color: var(--muted-2); }
.kv dd { margin-top: 3px; font-size: 14.5px; font-weight: 620; color: var(--ink); }

/* --------------------------------------------------------------- skeletons */
.sk { background: linear-gradient(90deg, var(--line-2) 25%, var(--chip) 37%, var(--line-2) 63%); background-size: 400% 100%; animation: shimmer 1.3s ease-in-out infinite; border-radius: 8px; }
.sk-title { width: 40%; height: 18px; margin-bottom: 14px; }
.sk-title.big { width: 55%; height: 30px; }
.sk-line { width: 70%; height: 13px; margin-top: 10px; }
.sk-line.short { width: 45%; }
.sk-task { height: 44px; margin-bottom: 6px; }
.sk-ring { width: 96px; height: 96px; border-radius: 50%; margin: 12px auto; }
.sk-chart { height: 150px; }
.sk-row { height: 12px; width: 60%; }
@keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: 0 0; } }

@keyframes rowIn { from { opacity: 0; transform: translateY(4px); } }

/* --------------------------------------------------------------- toast */
.toast {
  position: fixed; left: 50%; bottom: 84px; z-index: 300;
  transform: translate(-50%, 14px);
  display: flex; align-items: center; gap: 9px;
  padding: 11px 18px;
  background: var(--ink); color: var(--bg);
  border-radius: 99px; font-size: 13.5px; font-weight: 620;
  box-shadow: var(--sh-lg);
  opacity: 0; pointer-events: none;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast .ic { width: 16px; height: 16px; color: #34D399; }

/* --------------------------------------------------------------- mobile chrome */
.mob-head { display: none; }
.drawer-bg { position: fixed; inset: 0; z-index: 39; background: rgba(15,23,42,.45); opacity: 0; pointer-events: none; transition: opacity .22s var(--ease); }
.drawer-bg.show { opacity: 1; pointer-events: auto; }
.botnav { display: none; }

/* --------------------------------------------------------------- responsive */
@media (max-width: 1240px) {
  .app-grid { grid-template-columns: 76px minmax(0, 1fr); }
  .sidebar { padding: 16px 10px; align-items: center; }
  .side-brand .brand-txt { display: none; }
  .side-link { justify-content: center; padding: 12px 0; }
  .side-link span { display: none; }
  .side-foot { width: 100%; }
  .side-foot .side-link { justify-content: center; }
  .quote-card { display: none; }
  .theme-row { justify-content: center; padding: 10px 0; }
  .theme-label { display: none; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dash-grid { grid-template-columns: minmax(0, 1fr); }
  .dash-grid-2 { grid-template-columns: minmax(0, 1fr); }
  .content { padding: 20px 20px 48px; }
  .tb-in { padding: 12px 20px; }
  [data-mount="welcome"] { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 900px) {
  .app-grid { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: 274px; height: 100%;
    transform: translateX(-100%);
    transition: transform .26s var(--ease);
    box-shadow: none;
    align-items: stretch;
  }
  .sidebar.open { transform: translateX(0); box-shadow: var(--sh-xl); }
  .side-brand .brand-txt { display: flex; }
  .side-link { justify-content: flex-start; padding: 12px; }
  .side-link span { display: inline; }
  .quote-card { display: flex; }
  .theme-row { justify-content: flex-start; padding: 10px 12px; }
  .theme-label { display: inline; }

  .topbar { display: none; }
  .mob-head {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    position: sticky; top: 0; z-index: 30;
    padding: 10px 16px;
    background: color-mix(in srgb, var(--bg) 90%, transparent);
    backdrop-filter: saturate(160%) blur(12px);
    -webkit-backdrop-filter: saturate(160%) blur(12px);
    border-bottom: 1px solid var(--line);
  }
  .brand-mini .brand-name { font-size: 16px; }

  .botnav {
    display: grid; grid-template-columns: repeat(5, 1fr);
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
    padding: 6px 6px calc(6px + env(safe-area-inset-bottom, 0px));
    background: color-mix(in srgb, var(--card) 94%, transparent);
    backdrop-filter: saturate(160%) blur(12px);
    -webkit-backdrop-filter: saturate(160%) blur(12px);
    border-top: 1px solid var(--line);
  }
  .bn-item {
    display: flex; flex-direction: column; align-items: center; gap: 3px;
    padding: 8px 4px; min-height: 52px;
    border-radius: 12px;
    font-size: 11px; font-weight: 650; color: var(--muted);
    transition: color .18s var(--ease), background .18s var(--ease);
  }
  .bn-item .ic { width: 21px; height: 21px; }
  .bn-item.is-active { color: var(--primary); background: var(--primary-soft); }

  .content { padding: 16px 16px 96px; }
  .stat-grid { gap: 12px; }
  .stat-grid .stat-progress { grid-column: 1 / -1; }
  .stat-card:last-child { grid-column: 1 / -1; }
  .stat-big { font-size: 26px; }

  .dash-grid { display: flex; flex-direction: column; gap: 12px; }
  .dash-grid > *, .col-side > *, .dash-grid-2 > *, .card { min-width: 0; }
  .col-side { display: contents; }
  .dash-grid > .col-main { order: 3; }
  .col-side > [data-mount="countdown"] { order: 1; }
  .col-side > [data-mount="resume"] { order: 2; }
  .col-side > [data-mount="quick"] { order: 4; }
  .dash-grid-2 { gap: 12px; }

  .card { border-radius: 16px; padding: 16px; }
  .task-row:nth-child(n+6) { display: none; }
  .mob-add { display: flex; margin-top: 14px; min-height: 50px; }
  .quick-add { margin-top: 12px; }
  .t-when, .t-sub { display: none; }   /* compact rows: checkbox · title · time · delete */
  /* 44px touch targets */
  .icon-btn, .icon-btn.sm { width: 44px; height: 44px; flex-basis: 44px; }
  .btn, .btn-sm, .btn-lg { min-height: 44px; }
  .link-arrow { min-height: 44px; }
  .qa-input { min-height: 44px; }
  .mob-head .brand { min-height: 44px; }
  .side-brand { min-height: 44px; }
  .mob-head .brand-mark { align-self: center; }
  /* 44px touch targets without changing the visual size */
  .tick, .t-del { position: relative; }
  .tick::after, .t-del::after { content: ''; position: absolute; inset: -11px; }
  .toast { bottom: 96px; }
  .kv { grid-template-columns: minmax(0, 1fr); }
  .subj-list li { grid-template-columns: 110px minmax(0, 1fr) 46px; }
  .subj-list .sj-n { display: none; }
}

@media (max-width: 560px) {
  [data-mount="welcome"] .mot-card { min-height: 128px; }
  .cd-days b { font-size: 34px; }
  .quick-grid { grid-template-columns: minmax(0, 1fr); }
  .mock-grid { grid-template-columns: minmax(0, 1fr); }
  .pop { left: 12px !important; right: 12px; max-width: none; min-width: 0; }
  .search { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}