/* =========================================================
   Cadence — design system
   One source of truth. Neutral chrome, accent = identity/data.
   ========================================================= */

/* ── Tokens ─────────────────────────────────────────── */
:root {
  color-scheme: light;

  --bg:            #f6f7f9;
  --surface:       #ffffff;
  --surface-2:     #f4f5f7;
  --surface-3:     #eaecf0;
  --border:        #e3e5ea;
  --border-strong: #cfd4dc;

  --text:          #0f1115;
  --text-2:        #5b6472;
  --text-3:        #8a93a1;

  /* Primary action = ink, never a gradient. */
  --ink:           #16181d;
  --ink-hover:     #292d35;
  --ink-contrast:  #ffffff;

  --success:       #0f7f5b;
  --success-soft:  #e6f4ee;
  --warn:          #9a6212;
  --warn-soft:     #f8efdd;
  --danger:        #c2413f;
  --danger-soft:   #fae9e8;

  --ring-track:    #e9ebef;

  --shadow-sm: 0 1px 2px rgba(15, 17, 21, .05);
  --shadow-md: 0 4px 12px rgba(15, 17, 21, .07), 0 1px 3px rgba(15, 17, 21, .05);
  --shadow-lg: 0 16px 40px rgba(15, 17, 21, .13), 0 3px 10px rgba(15, 17, 21, .07);

  --r-xs: 6px;
  --r-sm: 8px;
  --r:    10px;
  --r-lg: 14px;

  --sidebar: 260px;
  --maxw:    1180px;

  --fast: .14s cubic-bezier(.4, 0, .2, 1);
}

:root[data-theme="dark"] {
  color-scheme: dark;

  --bg:            #0a0b0e;
  --surface:       #101217;
  --surface-2:     #171a20;
  --surface-3:     #1f232b;
  --border:        #23262f;
  --border-strong: #343945;

  --text:          #e9ecf1;
  --text-2:        #99a2b0;
  --text-3:        #6a7280;

  --ink:           #f0f2f5;
  --ink-hover:     #ffffff;
  --ink-contrast:  #0d0f13;

  --success:       #35b98a;
  --success-soft:  #10261e;
  --warn:          #d3a052;
  --warn-soft:     #2a2214;
  --danger:        #e0706d;
  --danger-soft:   #2e1a1a;

  --ring-track:    #23262f;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, .45);
  --shadow-lg: 0 18px 44px rgba(0, 0, 0, .6);
}

/* Identity accents. Set on <html> and on each founder card. */
[data-accent="indigo"] { --accent: #4f46e5; }
[data-accent="teal"]   { --accent: #0e8a80; }
[data-accent="violet"] { --accent: #7c3aed; }
[data-accent="amber"]  { --accent: #a86a10; }
[data-accent="rose"]   { --accent: #d13a6d; }

:root[data-theme="dark"] [data-accent="indigo"] { --accent: #8b8cf7; }
:root[data-theme="dark"] [data-accent="teal"]   { --accent: #3ec8b8; }
:root[data-theme="dark"] [data-accent="violet"] { --accent: #a98bfa; }
:root[data-theme="dark"] [data-accent="amber"]  { --accent: #d9a34e; }
:root[data-theme="dark"] [data-accent="rose"]   { --accent: #f0709f; }

/* Derived accent tints. Declared alongside [data-accent] so they
   recompute per card — a founder card re-mixes with its own accent. */
[data-accent] {
  --accent-soft: color-mix(in srgb, var(--accent) 11%, var(--surface));
  --accent-line: color-mix(in srgb, var(--accent) 28%, var(--border));
  --focus:       color-mix(in srgb, var(--accent) 32%, transparent);
}

/* ── Base ───────────────────────────────────────────── */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
p { margin: 0; }
button { font-family: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.011em; }
::selection { background: var(--accent-soft); }

:where(a, button, [tabindex], input, textarea, select):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

.icon { flex: none; vertical-align: middle; }
.muted  { color: var(--text-3); }
.subtle { color: var(--text-2); }

/* ── App shell ──────────────────────────────────────── */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.page { padding-bottom: 72px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { display: flex; align-items: center; gap: 16px; min-height: 60px; }

.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 15px; }
.brand-mark {
  width: 30px; height: 30px; border-radius: var(--r-sm);
  display: grid; place-items: center;
  background: var(--ink); color: var(--ink-contrast);
}
.brand small {
  display: block; margin-top: -1px;
  font-size: 11px; font-weight: 450; color: var(--text-3); letter-spacing: 0;
}

.nav-links { display: flex; gap: 2px; margin-left: 8px; }
.nav-links a {
  position: relative;
  display: flex; align-items: center; gap: 9px;
  min-height: 36px; padding: 0 11px;
  border-radius: var(--r-sm);
  color: var(--text-2); font-size: 13.5px; font-weight: 500;
  transition: background var(--fast), color var(--fast);
}
.nav-links a:hover { background: var(--surface-2); color: var(--text); }
.nav-links a.active { background: var(--surface-2); color: var(--text); font-weight: 550; }
.nav-links a.active .icon { color: var(--accent); }

.topbar-spacer { flex: 1; }
.bar-end { display: flex; align-items: center; gap: 8px; }

.iconbtn {
  width: 36px; height: 36px; flex: none;
  border-radius: var(--r-sm); border: 1px solid var(--border);
  background: var(--surface); color: var(--text-2);
  display: grid; place-items: center; cursor: pointer;
  transition: color var(--fast), border-color var(--fast), background var(--fast);
}
.iconbtn:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-2); }

:root[data-theme="dark"] .only-light,
:root:not([data-theme="dark"]) .only-dark { display: none; }
.only-light, .only-dark { display: grid; place-items: center; }

/* User menu */
.usermenu { position: relative; }
.usermenu-btn {
  display: flex; align-items: center; gap: 9px;
  padding: 4px 10px 4px 4px;
  border-radius: 999px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); cursor: pointer;
  transition: border-color var(--fast), background var(--fast);
}
.usermenu-btn:hover { border-color: var(--border-strong); background: var(--surface-2); }
.usermenu-name { font-weight: 550; font-size: 13px; }

.menu {
  position: absolute; right: 0; top: calc(100% + 8px);
  min-width: 200px; padding: 5px;
  background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--r);
  box-shadow: var(--shadow-lg);
  opacity: 0; transform: translateY(-4px);
  pointer-events: none;
  transition: opacity var(--fast), transform var(--fast);
  z-index: 50;
}
.menu.open { opacity: 1; transform: none; pointer-events: auto; }
.menu a, .menu button {
  width: 100%; text-align: left;
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border: 0; border-radius: var(--r-xs);
  background: none; color: var(--text-2);
  font-size: 13.5px; font-weight: 500; cursor: pointer;
  transition: background var(--fast), color var(--fast);
}
.menu a:hover, .menu button:hover { background: var(--surface-2); color: var(--text); }
.menu hr { border: 0; border-top: 1px solid var(--border); margin: 5px 2px; }

/* Desktop: the bar becomes a real sidebar. */
@media (min-width: 1024px) {
  main { margin-left: var(--sidebar); }

  .topbar {
    position: fixed; inset: 0 auto 0 0;
    width: var(--sidebar);
    border-right: 1px solid var(--border);
    border-bottom: 0;
  }
  .topbar .container { max-width: none; width: 100%; height: 100%; padding: 16px 14px; }

  .topbar-inner {
    flex-direction: column; align-items: stretch;
    min-height: 100%; gap: 20px;
  }

  .brand { padding: 6px 6px 18px; border-bottom: 1px solid var(--border); }
  .brand-mark { width: 32px; height: 32px; }
  .brand > span:last-child { font-size: 15px; line-height: 1.2; }

  .nav-links { flex-direction: column; gap: 2px; margin: 0; }
  .nav-links a { min-height: 38px; padding: 0 10px; font-size: 14px; }

  /* Active item gets a rail in the founder's accent — the only color in the chrome. */
  .nav-links a.active::before {
    content: "";
    position: absolute; left: -14px; top: 50%;
    width: 3px; height: 18px;
    border-radius: 0 3px 3px 0;
    background: var(--accent);
    transform: translateY(-50%);
  }

  .topbar-spacer { flex: 1; }

  .bar-end {
    padding-top: 14px;
    border-top: 1px solid var(--border);
  }
  .usermenu { flex: 1; min-width: 0; }
  .usermenu-btn { width: 100%; border-radius: var(--r); padding: 6px 10px 6px 6px; }
  .usermenu-name { flex: 1; text-align: left; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .menu { left: 0; right: auto; top: auto; bottom: calc(100% + 8px); }

  .flash-wrap { left: calc(50% + (var(--sidebar) / 2)); }
}

/* ── Avatars ────────────────────────────────────────── */
.avatar {
  flex: none; overflow: hidden;
  border-radius: 50%; object-fit: cover;
  display: grid; place-items: center;
  background: var(--surface-2); color: var(--text-2);
  border: 1px solid var(--border);
  font-weight: 600;
}
.avatar.sm { width: 28px; height: 28px; font-size: 11px; }
.avatar.md { width: 40px; height: 40px; font-size: 14px; }
.avatar.lg { width: 46px; height: 46px; font-size: 15px; }
.avatar-ring {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent-line);
}

/* ── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 0 14px; min-height: 36px;
  border: 1px solid transparent; border-radius: var(--r-sm);
  font-size: 13.5px; font-weight: 550; white-space: nowrap; cursor: pointer;
  transition: background var(--fast), border-color var(--fast), color var(--fast);
}
.btn-primary { background: var(--ink); color: var(--ink-contrast); }
.btn-primary:hover { background: var(--ink-hover); }
.btn-ghost { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--border-strong); background: var(--surface-2); }
.btn-soft { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-line); }
.btn-soft:hover { background: color-mix(in srgb, var(--accent) 17%, var(--surface)); }
.btn-sm { min-height: 30px; padding: 0 10px; font-size: 12.5px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: default; }

/* ── Cards ──────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.card-pad { padding: 20px; }

.section-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--text-3);
}
.section-title .icon { color: var(--text-3); }

/* ── Hero ───────────────────────────────────────────── */
.hero {
  margin-top: 28px; padding: 24px 26px;
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; align-items: center;
  background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--r-lg);
}
.hero-eyebrow {
  display: flex; align-items: center; gap: 7px;
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--text-3);
}
.hero-eyebrow .icon { color: var(--accent); }
.hero h1 {
  margin: 10px 0 6px;
  font-size: 28px; font-weight: 620; letter-spacing: -0.02em; line-height: 1.15;
}
.hero-msg { color: var(--text-2); font-size: 14.5px; max-width: 60ch; }
.hero-ring { text-align: center; }
.hero-ring .ring-label { margin-top: 8px; font-size: 12px; font-weight: 500; color: var(--text-3); }

.datenav { display: flex; align-items: center; gap: 6px; margin-top: 18px; }
.datenav .today-btn { margin-left: 6px; }
.date-pill {
  display: inline-flex; align-items: center; min-height: 36px; padding: 0 14px;
  border-radius: var(--r-sm); border: 1px solid var(--border);
  background: var(--surface-2);
  font-size: 13px; font-weight: 550;
  font-variant-numeric: tabular-nums;
}

/* ── Progress ring ──────────────────────────────────── */
.ring { position: relative; display: inline-grid; place-items: center; }
.ring svg { display: block; transform: rotate(-90deg); }
.ring .track { stroke: var(--ring-track); }
.ring .bar {
  stroke: var(--accent); stroke-linecap: round;
  transition: stroke-dashoffset .8s cubic-bezier(.4, 0, .2, 1);
}
.ring .ring-num { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.ring .ring-num b {
  font-size: 18px; font-weight: 620; letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.ring.lg .ring-num b { font-size: 26px; }
.ring .ring-num span { font-size: 10.5px; font-weight: 500; color: var(--text-3); }

/* ── Founder cards ──────────────────────────────────── */
.founder-grid {
  margin-top: 20px;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px;
  align-items: start;
}
.founder-card { position: relative; overflow: hidden; }
/* The accent rail is the card's identity — no gradient wash needed. */
.founder-card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 2px;
  background: var(--accent);
}

/* Also reused standalone (week page), so it must lay itself out. */
.card-top { display: flex; align-items: center; gap: 14px; }
.founder-card .card-top {
  padding: 20px 20px 18px;
  border-bottom: 1px solid var(--border);
}
.founder-meta { flex: 1; min-width: 0; }
.founder-name {
  display: flex; align-items: center; gap: 8px;
  font-size: 15.5px; font-weight: 620; letter-spacing: -0.01em;
}
.founder-tag {
  margin-top: 2px; color: var(--text-2); font-size: 13px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.you-chip {
  padding: 2px 6px; border-radius: var(--r-xs);
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-3); font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .05em;
}
.updated {
  display: flex; align-items: center; gap: 5px; margin-top: 5px;
  color: var(--text-3); font-size: 11.5px;
}

.card-body { padding: 0 20px 20px; }
.block { padding: 18px 0; border-top: 1px solid var(--border); }
.block:first-child { border-top: 0; }
.block-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }

/* ── Habits ─────────────────────────────────────────── */
.habit {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 9px 10px;
  border: 1px solid transparent; border-radius: var(--r-sm);
  transition: background var(--fast), border-color var(--fast);
}
.habit:hover { background: var(--surface-2); border-color: var(--border); }
.habit.done .habit-name { color: var(--text-2); }

.habit-icon {
  width: 32px; height: 32px; flex: none; margin-top: 1px;
  display: grid; place-items: center;
  border-radius: var(--r-sm);
  background: var(--accent-soft); color: var(--accent);
}
.habit-main { flex: 1; min-width: 0; }
.habit-name { font-size: 14px; font-weight: 550; }
.habit-note { margin-top: 3px; color: var(--text-3); font-size: 12.5px; }

.habit-toggle-detail {
  padding: 2px 0; border: 0; background: none; cursor: pointer;
  color: var(--text-3); font-size: 12px; font-weight: 500;
  transition: color var(--fast);
}
.habit-toggle-detail:hover { color: var(--accent); }
.habit-detail { display: none; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.habit.open-detail .habit-detail { display: flex; }
.habit-detail .input { min-height: 32px; padding: 5px 9px; font-size: 13px; }
.dur-input { width: 110px; }
.txt-input { flex: 1; min-width: 140px; }

/* Checkbox */
.check {
  width: 22px; height: 22px; flex: none; margin-top: 5px;
  position: relative;
  display: grid; place-items: center;
  border: 1.5px solid var(--border-strong); border-radius: var(--r-xs);
  background: var(--surface); color: #fff;
  cursor: pointer;
  transition: background var(--fast), border-color var(--fast);
}
.check:hover { border-color: var(--accent); }
.check svg {
  width: 14px; height: 14px; stroke-width: 3;
  stroke-dasharray: 24; stroke-dashoffset: 24;
  transition: stroke-dashoffset .2s ease .04s;
}
.check.checked { background: var(--accent); border-color: var(--accent); color: #fff; }
.check.checked svg { stroke-dashoffset: 0; }
.check.pop { animation: pop .3s ease; }
@keyframes pop { 0% { transform: scale(1); } 40% { transform: scale(1.15); } 100% { transform: scale(1); } }

/* ── Tasks ──────────────────────────────────────────── */
.task {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 9px 10px;
  border: 1px solid transparent; border-radius: var(--r-sm);
  transition: background var(--fast), border-color var(--fast);
}
.task:hover { background: var(--surface-2); border-color: var(--border); }
.task-main { flex: 1; min-width: 0; }
.task-title { font-size: 13.5px; font-weight: 500; word-break: break-word; }
.task.done .task-title { color: var(--text-3); text-decoration: line-through; }
.task-desc { margin-top: 2px; color: var(--text-3); font-size: 12.5px; }

.task-actions { display: flex; gap: 2px; opacity: 0; transition: opacity var(--fast); }
.task:hover .task-actions, .task:focus-within .task-actions { opacity: 1; }
.mini {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border: 0; border-radius: var(--r-xs);
  background: none; color: var(--text-3); cursor: pointer;
  transition: background var(--fast), color var(--fast);
}
.mini:hover { background: var(--surface-3); color: var(--text); }
.mini.danger:hover { background: var(--danger-soft); color: var(--danger); }

.reactions { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 7px; }
.react-chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--text-2);
  font-size: 12px; cursor: pointer;
  transition: border-color var(--fast), background var(--fast), color var(--fast);
}
.react-chip:hover { border-color: var(--border-strong); background: var(--surface-2); }
.react-chip.on {
  background: var(--accent-soft); border-color: var(--accent-line);
  color: var(--accent); font-weight: 600;
}
.react-add { color: var(--text-3); font-weight: 600; }

.add-row { display: flex; gap: 8px; margin-top: 12px; }
.add-row .input { flex: 1; }
.empty { padding: 8px 10px; color: var(--text-3); font-size: 13px; }
.empty a { color: var(--accent); font-weight: 550; }

/* ── Forms ──────────────────────────────────────────── */
.input, .file-input, textarea, select {
  width: 100%;
  min-height: 36px; padding: 8px 11px;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--surface); color: var(--text);
  font-family: inherit; font-size: 13.5px;
  outline: none;
  transition: border-color var(--fast), box-shadow var(--fast);
}
.input::placeholder, textarea::placeholder { color: var(--text-3); }
.input:focus, .file-input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus);
  outline: none;
}
textarea { min-height: 78px; line-height: 1.55; resize: vertical; }
select { appearance: none; padding-right: 30px; cursor: pointer; }

label.field { display: block; margin-bottom: 14px; }
label.field > span {
  display: block; margin-bottom: 6px;
  font-size: 13px; font-weight: 550; color: var(--text-2);
}
.hint { margin-top: 5px; font-size: 12px; color: var(--text-3); }
.errorlist {
  list-style: none; margin: 6px 0 0; padding: 0;
  color: var(--danger); font-size: 12.5px;
}
.check-inline {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px; font-size: 13.5px; cursor: pointer;
}
.check-inline input { width: 16px; height: 16px; min-height: 0; accent-color: var(--accent); }

/* ── Notes & encouragement ──────────────────────────── */
.note-list { display: flex; flex-direction: column; gap: 8px; }
.note-item {
  display: flex; gap: 10px;
  padding: 11px 12px;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--surface-2);
}
.note-item .note-body { flex: 1; min-width: 0; }
.note-item .note-who { font-size: 12.5px; font-weight: 600; }
.note-item .note-text { margin-top: 2px; font-size: 13.5px; color: var(--text-2); word-break: break-word; }
.encourage-card { background: var(--accent-soft); border-color: var(--accent-line); }

/* ── Weekly chart ───────────────────────────────────── */
.week-chart { display: flex; align-items: flex-end; gap: 8px; height: 128px; padding-top: 8px; }
.wk-day { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 7px; }
.wk-bar-wrap { width: 100%; height: 96px; display: flex; align-items: flex-end; }
.wk-bar {
  width: 100%; min-height: 3px;
  border-radius: var(--r-xs) var(--r-xs) 2px 2px;
  background: var(--accent);
  transition: height .7s cubic-bezier(.4, 0, .2, 1);
}
.wk-bar.zero { background: var(--surface-3); }
.wk-bar.full { background: var(--success); }
.wk-lbl { font-size: 11px; font-weight: 550; color: var(--text-3); }
.wk-lbl.on { color: var(--text); }
.mini-week h4 {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 8px; font-size: 13px; font-weight: 550;
}

/* ── Stats ──────────────────────────────────────────── */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(118px, 1fr)); gap: 10px; }
/* Four stats read better as a 2×2 block than a 3 + 1 orphan. */
.stat-row:has(> .stat:nth-child(4)) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stat {
  padding: 14px;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--surface-2);
}
.stat .stat-ico {
  width: 28px; height: 28px; margin-bottom: 10px;
  display: grid; place-items: center;
  border-radius: var(--r-xs);
  background: var(--accent-soft); color: var(--accent);
}
.stat .stat-ico.fire   { background: var(--warn-soft);    color: var(--warn); }
.stat .stat-ico.trophy { background: var(--success-soft); color: var(--success); }
.stat b {
  display: block; line-height: 1.1;
  font-size: 22px; font-weight: 620; letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.stat small { display: block; margin-top: 3px; font-size: 12px; color: var(--text-3); }

/* ── Heatmap ────────────────────────────────────────── */
.heatmap { display: flex; gap: 3px; overflow-x: auto; padding-bottom: 4px; }
.heat-col { display: flex; flex-direction: column; gap: 3px; }
.heat-cell {
  width: 14px; height: 14px; flex: none;
  border-radius: 3px;
  background: var(--surface-3);
  transition: outline-color var(--fast);
  outline: 1px solid transparent; outline-offset: 1px;
}
a.heat-cell:hover { outline-color: var(--border-strong); }
.heat-cell.future { background: transparent; }
.heat-cell.l1 { background: color-mix(in srgb, var(--accent) 25%, var(--surface-3)); }
.heat-cell.l2 { background: color-mix(in srgb, var(--accent) 50%, var(--surface-3)); }
.heat-cell.l3 { background: color-mix(in srgb, var(--accent) 75%, var(--surface-3)); }
.heat-cell.l4 { background: var(--accent); }
.heat-legend {
  display: flex; align-items: center; justify-content: flex-end; gap: 5px;
  margin-top: 14px; font-size: 11.5px; color: var(--text-3);
}
.heat-legend .heat-cell { width: 12px; height: 12px; }

/* ── Activity feed ──────────────────────────────────── */
.feed { display: flex; flex-direction: column; }
.feed-item { display: flex; gap: 11px; padding: 12px 0; border-top: 1px solid var(--border); }
.feed-item:first-child { border-top: 0; }
.feed-ico {
  width: 30px; height: 30px; flex: none;
  display: grid; place-items: center;
  border-radius: var(--r-xs);
  background: var(--surface-2); color: var(--text-2);
}
.feed-text { font-size: 13.5px; color: var(--text-2); }
.feed-text b { color: var(--text); font-weight: 600; }
.feed-time { margin-top: 2px; font-size: 11.5px; color: var(--text-3); }

/* ── Bands / grids ──────────────────────────────────── */
.band { margin-top: 24px; }
.band-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.band-head h2 { font-size: 17px; font-weight: 620; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); gap: 20px; }
.two-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ── Habit manager ──────────────────────────────────── */
.hm-list { display: flex; flex-direction: column; gap: 8px; }
.hm-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--surface);
  transition: border-color var(--fast);
}
.hm-item:hover { border-color: var(--border-strong); }
.hm-item.dragging { opacity: .5; }
.hm-grip { display: grid; place-items: center; color: var(--text-3); cursor: grab; }
.hm-meta { flex: 1; min-width: 0; }
.hm-name { font-size: 14px; font-weight: 550; }
.hm-sub { margin-top: 1px; font-size: 12.5px; color: var(--text-3); }
.badge {
  padding: 2px 7px; border-radius: var(--r-xs);
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-3); font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .05em;
}

/* Icon picker */
.icon-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; }
.icon-pick {
  aspect-ratio: 1;
  display: grid; place-items: center;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--surface); color: var(--text-2); cursor: pointer;
  transition: border-color var(--fast), color var(--fast), background var(--fast);
}
.icon-pick:hover { border-color: var(--border-strong); color: var(--text); }
.icon-pick.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }

/* ── Vault ──────────────────────────────────────────── */
.vault-hero { align-items: end; }
.vault-search {
  display: flex; align-items: center; gap: 8px;
  max-width: 480px; margin-top: 18px;
  padding: 0 12px;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--surface);
  transition: border-color var(--fast), box-shadow var(--fast);
}
.vault-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--focus); }
.vault-search > span { display: grid; place-items: center; color: var(--text-3); }
.vault-search input {
  width: 100%; min-height: 38px;
  border: 0; background: transparent; color: var(--text);
  font: inherit; outline: 0;
}

.vault-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 20px; align-items: start; margin-top: 22px; }
.vault-side { display: grid; gap: 12px; position: sticky; top: 24px; }
.vault-kpi, .vault-note {
  padding: 18px;
  border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--surface);
}
.vault-kpi span {
  width: 34px; height: 34px; margin-bottom: 14px;
  display: grid; place-items: center;
  border-radius: var(--r-sm);
  background: var(--accent-soft); color: var(--accent);
}
.vault-kpi b {
  display: block; line-height: 1;
  font-size: 28px; font-weight: 620; letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.vault-kpi small { display: block; margin-top: 5px; font-size: 12.5px; font-weight: 500; color: var(--text-3); }
.vault-note p { margin-top: 8px; font-size: 13px; color: var(--text-2); }

.vault-list { display: grid; gap: 10px; }
.vault-item {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 14px;
  align-items: start; padding: 16px;
  transition: border-color var(--fast);
}
.vault-item:hover { border-color: var(--border-strong); }
.vault-icon {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: var(--r-sm);
  background: var(--accent-soft); color: var(--accent);
}
.vault-main { min-width: 0; }
.vault-title-row {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  margin-bottom: 10px;
}
.vault-title-row h3 { font-size: 15px; font-weight: 620; overflow-wrap: anywhere; }
.vault-updated { color: var(--text-3); font-size: 11.5px; white-space: nowrap; }
.vault-secret { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 6px; align-items: center; }
.vault-secret .input {
  background: var(--surface-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12.5px;
}
.vault-item-note { margin-top: 10px; color: var(--text-2); font-size: 13px; overflow-wrap: anywhere; }
.note-item .vault-main { min-width: 0; }
.note-body { white-space: pre-wrap; display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; overflow: hidden; }
.vault-actions { display: flex; align-items: center; gap: 4px; }
.vault-actions form { margin: 0; }

.vault-empty { text-align: center; padding: 46px 24px; }
.vault-empty-icon {
  width: 52px; height: 52px; margin: 0 auto 16px;
  display: grid; place-items: center;
  border-radius: var(--r);
  background: var(--accent-soft); color: var(--accent);
}
.vault-empty h2 { margin-bottom: 6px; font-size: 18px; font-weight: 620; }
.vault-empty p { max-width: 42ch; margin: 0 auto 18px; color: var(--text-2); }
.vault-modal textarea { min-height: 110px; }

/* ── Auth ───────────────────────────────────────────── */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 32px 18px; }
.auth-card { width: 100%; max-width: 400px; padding: 28px; box-shadow: var(--shadow-md); }
.auth-head { text-align: center; margin-bottom: 24px; }
.auth-head .brand { justify-content: center; margin-bottom: 18px; }
.auth-head h1 { font-size: 21px; font-weight: 620; }
.auth-head p { margin-top: 6px; color: var(--text-2); }
.auth-alt { margin-top: 18px; text-align: center; color: var(--text-2); font-size: 13.5px; }
.auth-alt a { color: var(--accent); font-weight: 550; }

.avatar-pick { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.avatar-preview {
  width: 68px; height: 68px;
  display: grid; place-items: center;
  border-radius: 50%; object-fit: cover;
  border: 1px solid var(--border);
  background: var(--accent-soft); color: var(--accent);
  font-size: 21px; font-weight: 600;
}
.accent-swatches { display: flex; gap: 8px; }
.swatch {
  width: 26px; height: 26px;
  border: 0; border-radius: 50%; cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .08);
  transition: transform var(--fast);
}
.swatch:hover { transform: scale(1.08); }
.swatch.on { box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--text); }

/* ── Toast / flash / saved ──────────────────────────── */
.toast-wrap {
  position: fixed; bottom: 22px; left: 50%;
  z-index: 90;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  transform: translateX(-50%);
}
.toast {
  display: flex; align-items: center; gap: 9px;
  padding: 10px 15px;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  font-size: 13px; font-weight: 500;
  opacity: 0; transform: translateY(8px);
  transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: none; }
.toast .ok { color: var(--success); }
.toast .err { color: var(--danger); }

.saved-pill {
  display: inline-flex; align-items: center; gap: 5px;
  color: var(--success); font-size: 11.5px; font-weight: 550;
  opacity: 0; transition: opacity .2s;
}
.saved-pill.show { opacity: 1; }

.flash-wrap {
  position: fixed; top: 20px; left: 50%;
  z-index: 70;
  width: min(460px, 92vw);
  display: flex; flex-direction: column; gap: 8px;
  transform: translateX(-50%);
}
.flash {
  padding: 11px 14px;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  font-size: 13.5px; font-weight: 500;
}
.flash.success { border-color: color-mix(in srgb, var(--success) 40%, var(--border)); }
.flash.error   { border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); }

/* ── Modal ──────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 80;
  display: grid; place-items: center; padding: 20px;
  background: rgba(10, 12, 16, .55);
  opacity: 0; pointer-events: none;
  transition: opacity .16s;
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal {
  width: 100%; max-width: 440px;
  background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  transform: translateY(8px) scale(.99);
  transition: transform .18s;
}
.modal-backdrop.open .modal { transform: none; }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.modal-head h3 { font-size: 15px; font-weight: 620; }
.modal-body { padding: 20px; }
.modal-foot {
  display: flex; justify-content: flex-end; gap: 8px;
  padding: 14px 20px; border-top: 1px solid var(--border);
}

/* ── Confetti ───────────────────────────────────────── */
#confetti { position: fixed; inset: 0; z-index: 100; pointer-events: none; }

/* ── Mobile progress bar ────────────────────────────── */
.mobile-progress { display: none; }

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 1023px) {
  .vault-side { position: static; }
  /* Clear the sticky header instead of covering it. */
  .flash-wrap { top: 76px; }
}

@media (max-width: 900px) {
  .container { padding: 0 20px; }
  .topbar-inner { flex-wrap: wrap; padding: 10px 0; }
  .nav-links {
    order: 3; width: 100%; margin: 0;
    overflow-x: auto; scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { flex: 0 0 auto; }

  .hero { grid-template-columns: 1fr; gap: 20px; padding: 20px; }
  .hero-ring { justify-self: start; display: flex; align-items: center; gap: 16px; }
  .hero-ring .ring-label { margin-top: 0; }

  .founder-grid, .grid-2, .two-mini, .vault-layout { grid-template-columns: 1fr; }
  .vault-side { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .container { padding: 0 14px; }
  .hero { margin-top: 16px; }
  .hero h1 { font-size: 23px; }
  .brand small, .usermenu-name { display: none; }
  .icon-grid { grid-template-columns: repeat(6, 1fr); }

  .vault-side { grid-template-columns: 1fr; }
  .vault-item { grid-template-columns: 1fr; }
  .vault-icon { display: none; }
  .vault-title-row { display: block; }
  .vault-updated { display: block; margin-top: 3px; }
  .vault-actions { justify-content: flex-end; }

  .mobile-progress {
    position: sticky; top: 106px; z-index: 35;
    display: flex; align-items: center; gap: 10px;
    margin: 0 -14px 4px; padding: 10px 14px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
  }
  .mobile-progress .mp-bar {
    flex: 1; height: 6px; border-radius: 999px;
    background: var(--surface-3); overflow: hidden;
  }
  .mobile-progress .mp-fill {
    height: 100%; border-radius: 999px;
    background: var(--accent);
    transition: width .6s cubic-bezier(.4, 0, .2, 1);
  }
  .mobile-progress b { font-size: 13px; font-variant-numeric: tabular-nums; }
}

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