:root {
  color-scheme: dark;
  --bg: #0b111c;
  --bg-deep: #080e18;
  --surface: #101927;
  --surface-raised: #142033;
  --surface-hover: #17243a;
  --text: #f4f7fb;
  --muted: #99a8bd;
  --muted-strong: #bac5d5;
  --border: #26364b;
  --border-strong: #3b4e67;
  --accent: #2f7df6;
  --accent-hover: #438bfa;
  --danger: #ff5e6d;
  --warning: #f3bd3d;
  --success: #36c98f;
  --radius: 9px;
  --sidebar-width: 232px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #f7f9fc;
  --bg-deep: #ffffff;
  --surface: #ffffff;
  --surface-raised: #f1f5fa;
  --surface-hover: #eaf0f8;
  --text: #152033;
  --muted: #637087;
  --muted-strong: #44526a;
  --border: #d6deea;
  --border-strong: #aebbcf;
  --accent: #1768d7;
  --accent-hover: #0d5fcf;
  --danger: #d9364a;
  --warning: #9b6a00;
  --success: #11835f;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { min-height: 100%; touch-action: manipulation; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button, select { cursor: pointer; }

button { -webkit-tap-highlight-color: transparent; }

svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.auth-screen {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
}

.auth-panel {
  width: min(430px, 100%);
  padding: 36px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: 0 24px 70px rgb(0 0 0 / .28);
}

.auth-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  color: #fff;
  background: var(--accent);
  border-radius: 11px;
}
.auth-mark svg { width: 23px; height: 23px; }
.auth-panel h1 { margin: 0 0 8px; font-size: 28px; letter-spacing: -.03em; }
.auth-lede { margin: 0 0 26px; max-width: 34ch; color: var(--muted); font-size: 15px; }
.auth-form { display: grid; gap: 14px; }
.auth-label { display: grid; gap: 8px; color: var(--muted-strong); font-weight: 600; }
.auth-label input {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  color: var(--text);
  background: var(--bg-deep);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  outline: none;
  font-size: 16px;
}
.auth-label input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 24%, transparent); }
.auth-submit { width: 100%; justify-content: center; min-height: 48px; }
.auth-error { margin: 0; color: var(--danger); font-size: 13px; }
.auth-note { margin: 20px 0 0; color: var(--muted); font-size: 12px; }

.app-shell {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 10;
  width: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  padding: 28px 16px 20px;
  background: var(--bg-deep);
  border-right: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  color: var(--text);
  font-size: 23px;
  font-weight: 720;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.side-nav {
  display: grid;
  gap: 4px;
  margin-top: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}

.nav-item {
  width: 100%;
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 12px;
  border: 0;
  border-left: 2px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted-strong);
  font-size: 14px;
  font-weight: 510;
  text-align: left;
}

.nav-item:hover { color: var(--text); background: var(--surface); }

.nav-item.is-active {
  color: #f6f9ff;
  background: #173461;
  border-left-color: var(--accent);
}

[data-theme="light"] .nav-item.is-active { color: #12386b; background: #dceaff; }

.nav-item .trailing { margin-left: auto; width: 16px; }

.sidebar-settings {
  display: grid;
  gap: 4px;
  margin-top: auto;
}

.switch {
  position: relative;
  width: 38px;
  height: 22px;
  margin-left: auto;
  border-radius: 999px;
  background: var(--accent);
}

.switch::after {
  content: "";
  position: absolute;
  top: 3px;
  right: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  transition: transform 160ms ease;
}

[data-theme="light"] .switch { background: var(--border-strong); }
[data-theme="light"] .switch::after { transform: translateX(-16px); }

.mobile-header, .bottom-nav, .floating-add { display: none; }

.main-content {
  grid-column: 2;
  width: min(1120px, 100%);
  margin-inline: auto;
  padding: 34px 44px 64px;
  transition: margin-right 180ms ease;
}

body:has(.drawer-dialog[open]) .main-content {
  width: min(850px, calc(100% - 380px));
  margin-left: 0;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 3px;
  font-size: clamp(28px, 3vw, 36px);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.current-date {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
}

.primary-button, .secondary-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 650;
}

.primary-button { background: var(--accent); color: #fff; }
.primary-button:hover { background: var(--accent-hover); }
.primary-button:disabled { cursor: wait; opacity: .65; }
.primary-button svg { width: 18px; height: 18px; }

.secondary-button {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}
.secondary-button:hover { background: var(--surface-hover); }

.summary {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 28px 0 30px;
  color: var(--muted-strong);
  font-size: 14px;
}

.summary span {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 0 24px;
  border-right: 1px solid var(--border);
}
.summary span:first-child { padding-left: 0; }
.summary span:last-child { border-right: 0; }
.summary strong { color: var(--accent); font-size: 25px; line-height: 1; }
.summary strong:not(.danger-text)#open-count { color: var(--muted-strong); }
.summary .danger-text { color: var(--danger); }

.mobile-view-tabs { display: none; }

.toolbar {
  display: grid;
  grid-template-columns: minmax(180px, 1.3fr) repeat(3, minmax(105px, .65fr)) minmax(128px, .8fr);
  gap: 10px;
  margin-bottom: 16px;
}

.search-control, .select-control {
  height: 44px;
  display: flex;
  align-items: center;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--muted);
}

.search-control:focus-within, .select-control:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 24%, transparent);
}

.search-control svg { margin-left: 13px; }
.search-control input {
  width: 100%;
  height: 100%;
  padding: 0 12px;
  border: 0;
  outline: 0;
  background: transparent;
}

input::placeholder, textarea::placeholder { color: var(--muted); opacity: 1; }

.select-control select {
  width: 100%;
  height: 100%;
  padding: 0 30px 0 12px;
  border: 0;
  outline: 0;
  background: transparent;
}

.task-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.zetamac-section {
  display: grid;
  gap: 16px;
}

.zetamac-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, var(--surface)) 0%, var(--surface) 62%);
}

.zetamac-hero h2, .zetamac-hero p { margin-bottom: 0; }
.zetamac-hero h2 { margin-top: 3px; font-size: 23px; letter-spacing: -.025em; }
.zetamac-hero p:not(.eyebrow) { max-width: 54ch; margin-top: 8px; color: var(--muted); font-size: 14px; }
.zetamac-hero-actions { display: flex; flex: 0 0 auto; gap: 10px; }
.zetamac-hero-actions button { min-width: 132px; }
.eyebrow { margin: 0; color: var(--accent); font-size: 11px; font-weight: 750; letter-spacing: .11em; text-transform: uppercase; }

.zetamac-grid { display: grid; grid-template-columns: minmax(260px, .8fr) minmax(0, 1.55fr); gap: 16px; }
.zetamac-card { padding: 22px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.card-heading h3 { margin: 3px 0 0; font-size: 18px; letter-spacing: -.02em; }
.zetamac-score-form { display: grid; gap: 15px; margin-top: 22px; }
.zetamac-score-form label { display: grid; gap: 8px; color: var(--muted-strong); font-size: 13px; font-weight: 620; }
.zetamac-score-form input, .zetamac-score-form select, .chart-filter select {
  min-height: 44px; width: 100%; padding: 9px 11px; border: 1px solid var(--border-strong); border-radius: var(--radius); outline: 0; background: var(--bg); color: var(--text); font: inherit;
}
.zetamac-score-form input:focus, .zetamac-score-form select:focus, .chart-filter select:focus { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 24%, transparent); }
.zetamac-score-form .primary-button { margin-top: 3px; }
.form-hint { margin: 14px 0 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.mode-duration { color: var(--accent); font-size: 12px; font-weight: 700; }
.mode-description { min-height: 42px; margin: 18px 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.mode-change-button { width: 100%; }
.text-button { padding: 5px 0; border: 0; background: transparent; color: var(--accent); font-size: 13px; font-weight: 650; }
.text-button:hover { color: var(--accent-hover); }
.zetamac-manual-form { grid-template-columns: 1fr 1fr auto; align-items: end; padding-top: 16px; border-top: 1px solid var(--border); }
.zetamac-manual-form .primary-button { min-height: 44px; }

.zetamac-game { display: grid; gap: 16px; max-width: 680px; margin-inline: auto; }
.game-toolbar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 42px; color: var(--muted); font-size: 14px; }
.game-toolbar > :nth-child(2) { color: var(--text); font-weight: 650; }
.game-toolbar > :last-child { justify-self: end; color: var(--accent); font-size: 26px; font-variant-numeric: tabular-nums; }
.zetamac-game-card { display: grid; gap: 28px; min-height: 390px; align-content: center; padding: 34px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); text-align: center; }
.game-scoreline { display: flex; justify-content: center; gap: 30px; color: var(--muted); font-size: 13px; }
.game-scoreline strong { margin-left: 5px; color: var(--text); font-size: 18px; font-variant-numeric: tabular-nums; }
.game-question { margin: 0; color: var(--text); font-size: clamp(42px, 8vw, 72px); letter-spacing: -.055em; line-height: 1; font-variant-numeric: tabular-nums; }
.game-answer-form { display: grid; justify-items: center; gap: 8px; }
.game-answer-form label { color: var(--muted); font-size: 12px; }
.game-answer-form input { width: min(260px, 100%); min-height: 58px; padding: 6px 14px; border: 1px solid var(--border-strong); border-radius: var(--radius); outline: 0; background: var(--bg); color: var(--text); font-size: 27px; text-align: center; font-variant-numeric: tabular-nums; }
.game-answer-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 24%, transparent); }
.game-feedback { min-height: 18px; margin: 0; color: var(--muted); font-size: 12px; }
.game-feedback.is-correct { color: var(--success, #4bd38b); }
.game-feedback.is-wrong { color: var(--danger); }
.game-help { margin: 0; color: var(--muted); font-size: 13px; text-align: center; }
.zetamac-results { max-width: 560px; margin: 28px auto; text-align: center; }
.zetamac-results h2 { margin: 4px 0 22px; font-size: 30px; }
.results-metrics { display: flex; justify-content: center; gap: 70px; margin-bottom: 28px; }
.results-metrics div { display: grid; gap: 4px; }
.results-metrics strong { color: var(--accent); font-size: 40px; font-variant-numeric: tabular-nums; }
.results-metrics span { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; }
.results-actions { display: flex; justify-content: center; gap: 10px; }
.zetamac-options-dialog .settings-body { display: grid; gap: 16px; }
.zetamac-option-field { display: grid; gap: 8px; color: var(--muted-strong); font-size: 13px; font-weight: 620; }
.zetamac-option-field select, .compact-select { min-height: 42px; padding: 8px 10px; border: 1px solid var(--border-strong); border-radius: var(--radius); background: var(--bg); color: var(--text); font: inherit; }
.operation-options { display: flex; gap: 9px; }
.operation-options label { display: flex; align-items: center; gap: 4px; color: var(--text); font-size: 16px; }
.operation-options input { accent-color: var(--accent); }
.options-save-button { width: 100%; margin-top: 4px; }
.chart-heading { align-items: center; }
.chart-filter { display: block; width: 145px; }
.chart-filter select { min-height: 38px; padding-block: 6px; font-size: 12px; }
.zetamac-chart { min-height: 220px; display: grid; place-items: center; margin-top: 14px; }
.zetamac-chart svg { width: 100%; height: 220px; overflow: visible; }
.zetamac-chart .chart-grid-line { stroke: var(--border); stroke-width: 1; }
.zetamac-chart .chart-line { fill: none; stroke: var(--accent); stroke-linecap: round; stroke-linejoin: round; stroke-width: 3; }
.zetamac-chart .chart-dot { fill: var(--surface); stroke: var(--accent); stroke-width: 2; }
.zetamac-chart text { fill: var(--muted); font-size: 10px; font-family: inherit; }
.zetamac-empty { margin: 20px 0 0; color: var(--muted); font-size: 13px; }
.zetamac-score-list { display: grid; gap: 0; margin-top: 14px; }
.zetamac-score-item { min-height: 54px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 16px; border-top: 1px solid var(--border); }
.zetamac-score-mode { color: var(--muted-strong); font-size: 13px; font-weight: 620; }
.zetamac-score-meta { color: var(--muted); font-size: 12px; }
.zetamac-score-value { color: var(--text); font-size: 17px; font-weight: 720; }
.zetamac-score-delete { width: 34px; height: 34px; }

.task-columns, .task-row {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 130px 100px 140px 72px;
  align-items: center;
  column-gap: 16px;
}

.task-columns {
  min-height: 42px;
  padding: 0 18px 0 60px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: .075em;
  text-transform: uppercase;
}

.task-row {
  position: relative;
  min-height: 78px;
  padding: 12px 12px 12px 60px;
  border-bottom: 1px solid var(--border);
  transition: background-color 120ms ease;
}

.task-row:last-child { border-bottom: 0; }
.task-row:hover { background: var(--surface); }
.task-row.is-completed { opacity: .58; }
.task-row.is-completed .task-title { text-decoration: line-through; }

.task-checkbox {
  position: absolute;
  left: 16px;
  top: 17px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  background: transparent;
  color: white;
}

.check-box {
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--muted-strong);
  border-radius: 5px;
}
.check-box svg { width: 14px; height: 14px; opacity: 0; stroke-width: 2.4; }
.task-checkbox[aria-checked="true"] .check-box { background: var(--accent); border-color: var(--accent); }
.task-checkbox[aria-checked="true"] svg { opacity: 1; }

.task-copy { min-width: 0; }
.task-title {
  margin: 0 0 3px;
  overflow: hidden;
  color: var(--text);
  font-size: 15px;
  font-weight: 630;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.task-description {
  margin: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-category, .task-priority, .task-due {
  color: var(--muted-strong);
  font-size: 13px;
}
.task-category { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.task-category::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--category-color, var(--accent));
}
.task-priority::before { content: "—"; margin-right: 7px; color: var(--muted); }
.task-priority[data-priority="high"]::before { content: "↑"; color: var(--danger); font-size: 17px; }
.task-priority[data-priority="medium"]::before { color: var(--warning); }
.task-due.is-overdue { color: var(--danger); }

.task-actions { display: flex; justify-content: flex-end; }
.icon-button {
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  color: var(--muted-strong);
}
.icon-button:hover { border-color: var(--border); background: var(--surface-hover); color: var(--text); }
.delete-button:hover { color: var(--danger); }
.task-actions .icon-button { width: 34px; height: 34px; border-radius: 6px; }
.task-actions svg { width: 17px; height: 17px; }

.empty-state {
  padding: 80px 24px;
  text-align: center;
  color: var(--muted);
}
.empty-state svg { width: 30px; height: 30px; color: var(--accent); }
.empty-state h2 { margin: 14px 0 5px; color: var(--text); font-size: 17px; }
.empty-state p { margin-bottom: 0; }

dialog {
  max-width: none;
  max-height: none;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
}
dialog::backdrop { background: rgb(3 8 15 / .62); }

.drawer-dialog {
  position: fixed;
  inset: 0 0 0 auto;
  width: 380px;
  height: 100dvh;
  margin: 0;
  background: var(--surface);
  border-left: 1px solid var(--border);
}

.drawer-dialog::backdrop { background: transparent; }

body:has(.drawer-dialog[open]) .task-columns,
body:has(.drawer-dialog[open]) .task-row {
  grid-template-columns: minmax(180px, 1fr) 100px 80px 108px 64px;
  column-gap: 10px;
}

body:has(.drawer-dialog[open]) .toolbar {
  grid-template-columns: minmax(150px, 1fr) 118px 108px 108px 118px;
  gap: 8px;
}

.drawer-dialog form { height: 100%; display: flex; flex-direction: column; }

.dialog-header {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
}
.dialog-header h2 { margin: 0; font-size: 19px; letter-spacing: -.015em; }

.form-body {
  flex: 1;
  overflow-y: auto;
  display: grid;
  align-content: start;
  gap: 20px;
  padding: 20px 22px;
}

.form-body label {
  display: grid;
  gap: 8px;
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 600;
}

.form-body input, .form-body textarea, .form-body select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  outline: 0;
  background: var(--bg);
  color: var(--text);
  font-weight: 430;
}
.form-body textarea { min-height: 96px; resize: vertical; }
.form-body input:focus, .form-body textarea:focus, .form-body select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 24%, transparent);
}
.form-row { display: grid; grid-template-columns: 1.35fr 1fr; gap: 12px; }

.dialog-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 18px 22px max(18px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.settings-dialog {
  width: min(520px, calc(100% - 32px));
  margin: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 20px 70px rgb(0 0 0 / .3);
}
.settings-body { padding: 8px 22px 22px; }
.setting-row {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--border);
}
.setting-row h3 { margin: 0 0 4px; font-size: 14px; }
.setting-row p, .settings-note { margin: 0; color: var(--muted); font-size: 13px; }
.settings-note { padding: 12px 0; border-bottom: 1px solid var(--border); }

.toast {
  position: fixed;
  z-index: 100;
  right: 22px;
  bottom: 22px;
  max-width: min(380px, calc(100% - 32px));
  padding: 12px 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface-raised);
  color: var(--text);
  box-shadow: 0 12px 30px rgb(0 0 0 / .25);
}
.toast.is-error { border-color: color-mix(in srgb, var(--danger) 65%, var(--border)); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (max-width: 1100px) {
  body:has(.drawer-dialog[open]) .main-content { width: min(1120px, 100%); margin-inline: auto; }
  .task-columns, .task-row { grid-template-columns: minmax(220px, 1fr) 105px 90px 116px 72px; }
  .main-content { padding-inline: 28px; }
  body:has(.drawer-dialog[open]) .toolbar {
    grid-template-columns: minmax(180px, 1.3fr) repeat(3, minmax(105px, .65fr)) minmax(128px, .8fr);
    gap: 10px;
  }
}

@media (max-width: 820px) {
  body { padding-bottom: calc(70px + env(safe-area-inset-bottom)); }
  .app-shell { display: block; min-height: auto; }
  .sidebar { display: none; }
  .mobile-header {
    position: sticky;
    top: 0;
    z-index: 8;
    min-height: calc(64px + env(safe-area-inset-top));
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: env(safe-area-inset-top) 16px 8px;
    background: color-mix(in srgb, var(--bg) 94%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
    backdrop-filter: blur(14px);
  }
  .mobile-header .brand { padding-left: 4px; }
  .header-actions { display: flex; }
  .main-content { width: 100%; padding: 20px 16px 40px; }
  .page-header { display: block; }
  .page-header h1 { font-size: 28px; }
  .current-date { font-size: 16px; }
  .desktop-add { display: none; }
  .summary { margin: 12px 0 20px; font-size: 13px; }
  .summary span { gap: 4px; padding: 0 7px; border: 0; }
  .summary span:first-child { padding-left: 0; }
  .summary span:not(:last-child)::after { content: "·"; margin-left: 9px; color: var(--muted); }
  .summary strong { font-size: inherit; font-weight: 500; color: var(--muted-strong); }
  .summary .danger-text { color: var(--danger); }

  .zetamac-hero { display: grid; align-items: start; gap: 18px; padding: 18px; }
  .zetamac-hero h2 { font-size: 21px; }
  .zetamac-hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .zetamac-hero-actions button { min-width: 0; width: 100%; }
  .zetamac-grid { grid-template-columns: 1fr; }
  .zetamac-card { padding: 18px; }
  .chart-filter { width: 124px; }
  .zetamac-score-item { gap: 9px; }
  .zetamac-score-meta { font-size: 11px; }
  .zetamac-manual-form { grid-template-columns: 1fr 1fr; }
  .zetamac-manual-form .primary-button { grid-column: 1 / -1; }
  .zetamac-game-card { min-height: 360px; padding: 24px 16px; }
  .game-question { font-size: 52px; }
  .results-metrics { gap: 48px; }
  .results-actions { display: grid; }
  .results-actions button { width: 100%; }
  .zetamac-options-dialog .setting-row { align-items: flex-start; flex-direction: column; gap: 10px; padding-block: 16px; }
  .zetamac-options-dialog .compact-select { width: 100%; }

  .mobile-view-tabs {
    display: flex;
    overflow-x: auto;
    margin: 0 -2px 14px;
    padding: 3px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    scrollbar-width: none;
  }
  .mobile-view-tabs::-webkit-scrollbar { display: none; }
  .mobile-view-tabs button {
    min-width: max-content;
    min-height: 44px;
    flex: 1;
    padding: 0 12px;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: var(--muted-strong);
    font-size: 13px;
  }
  .mobile-view-tabs button.is-active { background: var(--accent); color: #fff; }

  .toolbar { grid-template-columns: 1fr 1fr; margin-bottom: 14px; }
  .toolbar input, .toolbar select, .form-body input, .form-body select, .form-body textarea { font-size: 16px; }
  body:has(.drawer-dialog[open]) .toolbar { grid-template-columns: 1fr 1fr; gap: 10px; }
  .toolbar .search-control { display: none; grid-column: 1 / -1; }
  .toolbar .search-control.is-mobile-open { display: flex; }
  .status-filter, .toolbar .select-control:nth-of-type(3) { display: none; }
  .sort-control { display: flex; }

  .task-panel { border-width: 1px 0 0; border-radius: 0; }
  .task-columns { display: none; }
  .task-row {
    min-height: 92px;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 8px;
    padding: 14px 0 14px 56px;
  }
  .task-checkbox { left: 0; top: 21px; }
  .task-title { font-size: 15px; }
  .task-description { display: none; }
  .task-category { grid-column: 1; font-size: 12px; color: var(--muted); }
  .task-priority { grid-column: 1; display: inline; position: absolute; left: 128px; bottom: 22px; font-size: 12px; }
  .task-priority::before { content: "·" !important; color: var(--muted) !important; font-size: 13px !important; }
  .task-due { grid-column: 2; grid-row: 1 / span 2; align-self: center; font-size: 12px; white-space: nowrap; }
  .task-actions { grid-column: 3; grid-row: 1 / span 2; align-self: center; }
  .task-actions { gap: 4px; }
  .task-actions .icon-button { width: 44px; height: 44px; }

  .floating-add {
    position: fixed;
    z-index: 15;
    right: 20px;
    bottom: calc(76px + env(safe-area-inset-bottom));
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    box-shadow: 0 10px 26px rgb(0 0 0 / .32);
  }
  .floating-add svg { width: 26px; height: 26px; }

  .bottom-nav {
    position: fixed;
    inset: auto 0 0;
    z-index: 12;
    height: calc(66px + env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 4px 18px env(safe-area-inset-bottom);
    background: var(--bg-deep);
    border-top: 1px solid var(--border);
  }
  .bottom-nav button {
    min-height: 58px;
    display: grid;
    justify-items: center;
    align-content: center;
    gap: 2px;
    border: 0;
    background: transparent;
    color: var(--muted);
    font-size: 11px;
  }
  .bottom-nav button.is-active { color: var(--accent); }
  .bottom-nav svg { width: 21px; height: 21px; }

  .drawer-dialog {
    inset: auto 0 0;
    width: 100%;
    height: min(88dvh, 760px);
    border: 1px solid var(--border);
    border-width: 1px 0 0;
    border-radius: 18px 18px 0 0;
  }
  .drawer-dialog::backdrop { background: rgb(3 8 15 / .62); }
  .drawer-dialog::before {
    content: "";
    position: absolute;
    z-index: 2;
    top: 9px;
    left: 50%;
    width: 38px;
    height: 4px;
    border-radius: 4px;
    background: var(--border-strong);
    transform: translateX(-50%);
  }
  .drawer-dialog .dialog-header { min-height: 66px; padding-top: 20px; }
  .form-body { padding-inline: 18px; }
  .dialog-footer { padding-inline: 18px; }

  .settings-dialog {
    inset: auto 0 0;
    width: 100%;
    margin: 0;
    border-width: 1px 0 0;
    border-radius: 18px 18px 0 0;
    padding-bottom: env(safe-area-inset-bottom);
  }
  .toast { right: 16px; bottom: calc(82px + env(safe-area-inset-bottom)); }
}

@media (max-width: 420px) {
  .auth-screen { padding: 16px; }
  .auth-panel { padding: 28px 22px; }
  .main-content { padding-inline: 14px; }
  .summary span { padding-inline: 4px; }
  .summary span:not(:last-child)::after { margin-left: 6px; }
  .mobile-view-tabs button { padding-inline: 10px; }
  .toolbar { gap: 8px; }
  .form-row { grid-template-columns: 1fr 110px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}