*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d1520;
  --bg2: #111c2a;
  --surface: #172030;
  --surface2: #1e2d42;
  --surface3: #243450;
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --primary-glow: rgba(59,130,246,.18);
  --accent: #f97316;
  --accent-glow: rgba(249,115,22,.18);
  --danger: #ef4444;
  --success: #22c55e;
  --success-glow: rgba(34,197,94,.15);
  --warning: #eab308;
  --text: #e8f0fc;
  --text2: #7a92b0;
  --text3: #4a6080;
  --border: #1e3050;
  --border2: #243a5a;
  --radius: 16px;
  --radius-sm: 10px;
  --nav-h: 78px;
  --dock-h: 58px;
  --nav-bg: rgba(17,28,42,.92);
  --shadow: 0 8px 32px rgba(0,0,0,.45);
  --shadow-sm: 0 2px 12px rgba(0,0,0,.28);
  --shadow-lg: 0 16px 48px rgba(0,0,0,.55);
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI Variable", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  isolation: isolate;
}
#app::before {
  content: '';
  position: fixed;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(100%, 480px);
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 95% 60% at 10% -8%, color-mix(in srgb, var(--primary) 24%, transparent), transparent 58%),
    radial-gradient(ellipse 75% 50% at 108% 25%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 52%);
}
#app > * { position: relative; z-index: 1; }

/* ── Header ── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px 10px;
  padding-top: max(12px, env(safe-area-inset-top, 0px));
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 11px;
}
.header-logo {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 8px color-mix(in srgb, var(--primary) 35%, transparent));
}
.header-titles {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}
.header h1 {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.15;
  background: linear-gradient(105deg, var(--text) 20%, color-mix(in srgb, var(--primary) 70%, var(--text)));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.header-sub {
  font-size: .7rem;
  font-weight: 600;
  color: var(--text3);
  letter-spacing: .04em;
  text-transform: uppercase;
}

/* ── Main content ── */
#screen {
  flex: 1;
  overflow-y: auto;
  padding: 16px 14px calc(var(--nav-h) + env(safe-area-inset-bottom, 0px) + 16px);
}
#screen::-webkit-scrollbar { display: none; }

/* ── Bottom nav (floating dock) ── */
nav {
  position: fixed;
  bottom: max(10px, env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 20px);
  max-width: 460px;
  height: var(--dock-h);
  background: color-mix(in srgb, var(--nav-bg) 90%, transparent);
  backdrop-filter: blur(22px) saturate(1.25);
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
  border: 1px solid color-mix(in srgb, var(--border2) 85%, transparent);
  border-radius: 22px;
  box-shadow: var(--shadow), inset 0 1px 0 color-mix(in srgb, #fff 6%, transparent);
  display: flex;
  align-items: stretch;
  padding: 5px 6px;
  gap: 2px;
  z-index: 20;
}
.nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: none;
  border: none;
  border-radius: 14px;
  color: var(--text3);
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color .2s, background .2s, transform .12s;
  padding: 4px 2px;
  position: relative;
  min-width: 0;
}
.nav-btn svg { width: 21px; height: 21px; transition: transform .2s; flex-shrink: 0; }
.nav-btn:active { transform: scale(.94); }
.nav-btn.active {
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 16%, transparent);
}
.nav-btn.active svg { transform: scale(1.08); }
.nav-btn.session-btn { color: color-mix(in srgb, var(--accent) 75%, var(--text3)); }
.nav-btn.session-btn.active {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 18%, transparent);
}
.nav-btn.active::after { display: none; }

/* ── Cards ── */
.card {
  background: color-mix(in srgb, var(--surface) 94%, var(--bg) 6%);
  border-radius: var(--radius);
  padding: 16px 17px;
  margin-bottom: 10px;
  border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  box-shadow: var(--shadow-sm);
}
.card-title {
  font-size: .7rem;
  font-weight: 700;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 12px;
}
.card-accent {
  background: linear-gradient(135deg, color-mix(in srgb, var(--surface) 92%, var(--primary) 8%) 0%, color-mix(in srgb, var(--surface) 96%, var(--accent) 4%) 100%);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border2));
}
.card-session-active {
  margin-bottom: 16px;
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border2));
}
.card-session-label {
  font-weight: 800;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--accent);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 15px 22px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity .15s, transform .1s, box-shadow .15s;
  white-space: nowrap;
  letter-spacing: -.01em;
  min-height: 52px;
}
.btn:active { transform: scale(.96); opacity: .9; }
.btn-primary {
  background: linear-gradient(145deg, color-mix(in srgb, var(--primary) 92%, #fff), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 20px color-mix(in srgb, var(--primary) 45%, transparent);
}
.btn-primary:active { box-shadow: none; }
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(249,115,22,.35);
}
.btn-accent:active { box-shadow: none; }
.btn-danger  { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-ghost   {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border2);
}
.btn-full    { width: 100%; }
.btn-sm      { padding: 10px 16px; font-size: .85rem; min-height: 40px; }

/* ── Forms ── */
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: .75rem;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 6px;
  letter-spacing: .02em;
}
input, select, textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 12px 14px;
  font-size: 1rem;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
input[type=number] { -moz-appearance: textfield; }
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; }
textarea { resize: none; }
select option { background: var(--surface2); }

/* ── List items ── */
.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--surface);
  border-radius: var(--radius);
  margin-bottom: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.list-item:active { background: var(--surface2); border-color: var(--border2); }
.list-item-main { flex: 1; min-width: 0; }
.list-item-title { font-weight: 600; font-size: .95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.list-item-sub { font-size: .78rem; color: var(--text2); margin-top: 3px; }
.list-item-actions { display: flex; gap: 8px; margin-left: 10px; }

/* ── Tags / badges ── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .7rem;
  font-weight: 700;
  background: var(--surface2);
  color: var(--text2);
  border: 1px solid var(--border2);
}
.badge-blue   { background: rgba(59,130,246,.12);  color: #60a5fa; border-color: rgba(59,130,246,.2); }
.badge-orange { background: rgba(249,115,22,.12);  color: #fb923c; border-color: rgba(249,115,22,.2); }
.badge-green  { background: rgba(34,197,94,.12);   color: #4ade80; border-color: rgba(34,197,94,.2); }
.badge-red    { background: rgba(239,68,68,.12);   color: #f87171; border-color: rgba(239,68,68,.2); }

/* ── Section title ── */
.section-title {
  font-size: .72rem;
  font-weight: 700;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin: 20px 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-title:first-child { margin-top: 4px; }
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Timer ── */
.timer-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 0 8px;
  width: 100%;
}
.timer-digits {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  margin-bottom: 10px;
}
.timer-digits .time {
  font-size: 4.5rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.04em;
  color: var(--text);
}
.timer-digits .label { font-size: .72rem; font-weight: 600; color: var(--text2); letter-spacing: .08em; text-transform: uppercase; margin-top: 2px; }
.timer-bar-track {
  width: 100%;
  height: 8px;
  background: var(--surface3);
  border-radius: 4px;
  overflow: hidden;
}
.timer-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 1s linear;
}
.timer-bar-fill.done { background: var(--success); }

/* ── Motivational banner ── */
.motive-banner {
  text-align: center;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text2);
  padding: 6px 0 2px;
  font-style: italic;
}

/* ── Session screen ── */
.exercise-header {
  text-align: center;
  padding: 4px 0 8px;
}
.ex-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.exercise-header .ex-name {
  flex: 1;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--text);
}
.note-btn {
  flex-shrink: 0;
  font-size: .78rem;
  padding: 6px 10px;
}
.note-btn.has-note {
  border-color: var(--accent);
  color: var(--accent);
}
.exercise-note-banner,
.exercise-note-readout {
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  border: 1px solid rgba(249, 115, 22, .35);
  font-size: .85rem;
  line-height: 1.4;
  color: var(--text);
}
.exercise-note-readout {
  margin-bottom: 10px;
  background: var(--surface2);
  border-color: var(--border2);
}
.note-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.note-chip {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border2);
  background: var(--surface2);
  color: var(--text2);
  font-size: .78rem;
  cursor: pointer;
}
.note-chip:active {
  background: var(--surface3);
  color: var(--text);
}
.settings-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  cursor: pointer;
  font-size: .9rem;
  color: var(--text);
}
.settings-toggle input {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
}
.settings-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
}
.settings-card-title {
  font-size: .95rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -.02em;
}
.settings-card-sub {
  font-size: .8rem;
  font-weight: 700;
  color: var(--text2);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.settings-hint {
  font-size: .8rem;
  color: var(--text2);
  line-height: 1.45;
  margin-bottom: 10px;
}
.settings-hint code {
  font-size: .75rem;
  color: var(--text);
  word-break: break-all;
}
.settings-kv {
  display: grid;
  gap: 8px;
  font-size: .82rem;
  margin-bottom: 8px;
}
.settings-kv > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}
.settings-kv .lbl { color: var(--text3); flex-shrink: 0; }
.settings-kv .val { color: var(--text); text-align: right; word-break: break-word; }
.settings-status {
  font-size: .82rem;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}
.settings-status-warn {
  background: rgba(234, 179, 8, .12);
  border: 1px solid rgba(234, 179, 8, .35);
  color: var(--warning);
}
.settings-test-result {
  font-size: .8rem;
  line-height: 1.4;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  margin-top: 8px;
  min-height: 1.2em;
}
.settings-test-ok {
  background: var(--success-glow);
  border: 1px solid rgba(34, 197, 94, .35);
  color: var(--success);
}
.settings-test-err {
  background: rgba(239, 68, 68, .12);
  border: 1px solid rgba(239, 68, 68, .35);
  color: var(--danger);
}
.settings-footer {
  text-align: center;
  color: var(--text3);
  font-size: .75rem;
  margin: 8px 0 24px;
}
.exercise-header .ex-meta { font-size: .85rem; color: var(--text2); margin-top: 5px; }

/* ── Session path (inline roadmap) ── */
.session-path {
  margin: 0 0 16px;
  padding: 12px 14px;
  background: color-mix(in srgb, var(--surface) 88%, var(--primary) 12%);
  border: 1px solid color-mix(in srgb, var(--border2) 80%, transparent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.session-path-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.session-path-label {
  font-size: .68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text2);
}
.session-path-count {
  font-size: .78rem;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.session-path-bar {
  height: 4px;
  border-radius: 4px;
  background: var(--surface3);
  overflow: hidden;
  margin-bottom: 12px;
}
.session-path-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width .35s ease;
}
.session-path-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 2px 0 4px;
  -webkit-overflow-scrolling: touch;
}
.session-path-chips::-webkit-scrollbar { display: none; }
.path-chip {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--border2);
  background: var(--surface2);
  color: var(--text3);
  font-size: .72rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .1s;
}
.path-chip:active { transform: scale(.96); }
.path-chip-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.1rem;
  font-variant-numeric: tabular-nums;
}
.path-chip-name {
  max-width: 11rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: .8rem;
  font-weight: 700;
  color: var(--text);
}
.path-chip.done {
  min-width: 32px;
  width: 32px;
  padding: 0;
  justify-content: center;
  background: color-mix(in srgb, var(--success) 22%, var(--surface2));
  border-color: color-mix(in srgb, var(--success) 45%, var(--border2));
  color: var(--success);
}
.path-chip.active {
  padding: 0 14px;
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border2));
  background: color-mix(in srgb, var(--accent) 14%, var(--surface));
  color: var(--accent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent);
}
.path-chip.active .path-chip-mark { color: var(--accent); }
.path-chip.has-note:not(.done) {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent);
}
.session-path-next {
  margin: 10px 0 0;
  font-size: .8rem;
  color: var(--text2);
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.session-path-next-lbl {
  font-size: .65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text3);
  margin-right: 6px;
}
.session-path-next--last .session-path-next-lbl { color: var(--accent); }

.set-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}
.set-input-box {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 10px 8px;
  text-align: center;
  transition: border-color .15s, box-shadow .15s;
}
.set-input-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.set-input-box label { font-size: .68rem; font-weight: 700; color: var(--text2); display: block; margin-bottom: 6px; text-transform: uppercase; letter-spacing: .05em; }
.set-input-box input { background: transparent; border: none; text-align: center; font-size: 1.6rem; font-weight: 800; padding: 0; color: var(--text); box-shadow: none; }
.set-input-box input:focus { border: none; box-shadow: none; }

.sets-done-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  justify-content: center;
}
.set-dot {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--surface2);
  border: 2px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  color: var(--text3);
  transition: all .2s;
}
.set-dot.done { background: var(--success); border-color: var(--success); color: #fff; box-shadow: 0 2px 8px rgba(34,197,94,.3); }
.set-dot.current { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }

.dot-tooltip {
  position: fixed;
  transform: translate(-50%, -100%);
  background: var(--surface3);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: .82rem;
  font-weight: 600;
  pointer-events: none;
  z-index: 300;
  white-space: nowrap;
  box-shadow: var(--shadow);
  animation: fade-in .15s ease;
}
.dot-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--border2);
}

/* ── Stat grid ── */
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}
.stat-box {
  background: color-mix(in srgb, var(--surface) 92%, var(--primary) 8%);
  border: 1px solid color-mix(in srgb, var(--border2) 75%, transparent);
  border-radius: var(--radius);
  padding: 16px 12px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.stat-box .val {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -.04em;
  color: var(--text);
}
.stat-box .lbl { font-size: .7rem; font-weight: 600; color: var(--text2); margin-top: 2px; text-transform: uppercase; letter-spacing: .05em; }

/* ── Hero stat (peso) ── */
.hero-stat {
  background: linear-gradient(135deg, var(--surface) 0%, rgba(59,130,246,.08) 100%);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}
.hero-stat .hero-val { font-size: 3.5rem; font-weight: 900; letter-spacing: -.05em; line-height: 1; }
.hero-stat .hero-unit { font-size: 1.1rem; color: var(--text2); font-weight: 600; }
.hero-stat .hero-delta { margin-top: 6px; font-size: .9rem; font-weight: 700; }
.hero-stat .hero-date { margin-top: 4px; font-size: .75rem; color: var(--text2); }

/* ── Chart ── */
.chart-wrap { width: 100%; overflow-x: auto; }
canvas.chart { display: block; width: 100%; height: 190px; }

/* ── Modal ── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  animation: fade-in .15s ease;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--surface);
  border-radius: var(--radius) var(--radius) 0 0;
  border-top: 1px solid var(--border2);
  width: 100%;
  max-width: 480px;
  padding: 20px 20px 36px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slide-up .2s ease;
  box-shadow: 0 -8px 40px rgba(0,0,0,.5);
}
@keyframes slide-up { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-title { font-size: 1.1rem; font-weight: 800; margin-bottom: 18px; letter-spacing: -.02em; }
.modal-handle {
  width: 36px; height: 4px;
  background: var(--surface3);
  border-radius: 2px;
  margin: 0 auto 16px;
}

/* ── Empty state ── */
.empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--text2);
}
.empty .empty-icon { font-size: 2.5rem; margin-bottom: 12px; }
.empty p { font-size: .9rem; line-height: 1.5; }

/* ── Divider ── */
.divider { height: 1px; background: var(--border); margin: 16px 0; }

/* ── Toast ── */
#toast {
  position: fixed;
  bottom: calc(var(--nav-h) + env(safe-area-inset-bottom, 0px) + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--surface3);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 20px;
  font-size: .85rem;
  font-weight: 600;
  opacity: 0;
  transition: opacity .2s, transform .2s;
  z-index: 200;
  pointer-events: none;
  white-space: nowrap;
  max-width: calc(100vw - 40px);
  box-shadow: var(--shadow);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Spinner ── */
.spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--border2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 48px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Ready banner ── */
.ready-banner {
  background: var(--success-glow);
  border: 1px solid rgba(34,197,94,.3);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-align: center;
  color: var(--success);
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 12px;
  animation: pop .3s cubic-bezier(.34,1.56,.64,1);
}
@keyframes pop { from { transform: scale(.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ── Session complete ── */
.session-complete {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
  text-align: center;
}
.session-complete .trophy { font-size: 4rem; margin-bottom: 16px; animation: bounce .5s cubic-bezier(.34,1.56,.64,1); }
@keyframes bounce { from { transform: scale(0); } to { transform: scale(1); } }
.session-complete h2 { font-size: 1.6rem; font-weight: 900; letter-spacing: -.03em; margin-bottom: 8px; }
.session-complete .sub { color: var(--text2); font-size: .9rem; margin-bottom: 12px; }
.session-complete .motive-banner { margin-bottom: 24px; font-size: .95rem; color: var(--primary); }
.session-complete .btn { align-self: stretch; }

/* ── Quick stat row (home) ── */
.quick-stat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 8px;
}
.quick-stat .qs-label { font-size: .8rem; color: var(--text2); font-weight: 600; }
.quick-stat .qs-val { font-weight: 700; font-size: .95rem; }

/* ── Theme swatches ── */
.theme-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}
.theme-swatch {
  background: var(--surface);
  border: 2px solid var(--border2);
  border-radius: var(--radius);
  padding: 10px 6px 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  transition: border-color .15s, transform .1s;
}
.theme-swatch:active { transform: scale(.94); }
.theme-swatch.active { border-color: var(--primary); }
.swatch-preview {
  width: 36px;
  height: 26px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.swatch-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.swatch-name {
  font-size: .6rem;
  font-weight: 700;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.theme-swatch.active .swatch-name { color: var(--primary); }

/* ── Ready wait (watch) ── */
.ready-wait {
  text-align: center;
  padding: 20px 16px;
  margin-bottom: 12px;
}
.ready-watch {
  font-size: .9rem;
  color: var(--text2);
  line-height: 1.5;
  padding: 14px 16px;
  background: color-mix(in srgb, var(--surface) 90%, var(--primary) 10%);
  border: 1px dashed color-mix(in srgb, var(--primary) 40%, var(--border2));
  border-radius: var(--radius);
}

/* ── Login ── */
#login-screen {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  background: var(--bg);
  padding: 24px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
#login-screen::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 70% at 50% -15%, color-mix(in srgb, var(--primary) 28%, transparent), transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 80%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 55%);
  pointer-events: none;
}
.login-panel,
.login-box {
  position: relative;
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  background: color-mix(in srgb, var(--surface) 96%, var(--bg) 4%);
  border: 1px solid color-mix(in srgb, var(--border2) 90%, transparent);
  border-radius: 24px;
  padding: 32px 24px 28px;
  box-shadow: var(--shadow-lg);
}
.login-logo { width: 72px; height: 72px; margin-bottom: 14px; }
.login-title {
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: -.04em;
  margin-bottom: 6px;
  background: linear-gradient(105deg, var(--text), color-mix(in srgb, var(--primary) 55%, var(--text)));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.login-tagline {
  font-size: .82rem;
  color: var(--text2);
  margin-bottom: 26px;
  text-align: center;
}
.login-panel .form-group,
.login-box .form-group { width: 100%; margin-bottom: 12px; }
.login-panel .btn,
.login-box .btn { width: 100%; margin-top: 6px; }
.login-err {
  color: var(--danger);
  font-size: .85rem;
  margin-top: 12px;
  text-align: center;
  padding: 8px 12px;
  background: rgba(239, 68, 68, .1);
  border-radius: var(--radius-sm);
  width: 100%;
}
.login-pwd-wrap {
  position: relative;
  width: 100%;
}
.login-pwd-wrap input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  min-height: 48px;
  padding: 12px 48px 12px 14px;
  font-size: 16px;
  line-height: 1.25;
  color: var(--text);
  -webkit-text-fill-color: var(--text);
  background: var(--surface2);
  touch-action: manipulation;
}
.login-pwd-wrap input::placeholder {
  color: var(--text3);
  opacity: 1;
}
.login-pwd-toggle {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text2);
  font-size: 1.1rem;
  cursor: pointer;
  touch-action: manipulation;
}
.login-pwd-toggle:active {
  background: var(--surface3);
}
.login-hint {
  margin-top: 8px;
  font-size: .75rem;
  color: var(--text3);
  line-height: 1.35;
}
.login-hint code {
  font-size: .7rem;
  color: var(--text2);
}