/* ATN web-app runtime styles. Scoped to [data-atn-root]. Accent set per app via --atn-accent. */
:root {
  --atn-accent: #0a84ff;
  --atn-accent-rgb: 10 132 255;
  --atn-on-accent: #fff;
  --atn-bg: #f2f2f7;
  --atn-surface: #ffffff;
  --atn-surface-2: #f7f7fa;
  --atn-ink: #0b0b0f;
  --atn-ink-2: #3c3c43;
  --atn-ink-3: #8e8e93;
  --atn-line: rgba(60, 60, 67, 0.12);
  --atn-track: rgba(120, 120, 128, 0.16);
  --atn-positive: #34c759;
  --atn-warning: #ff9f0a;
  --atn-critical: #ff3b30;
  --atn-info: #5ac8fa;
  --atn-radius: 14px;
  --atn-radius-lg: 22px;
  --atn-shadow: 0 1px 2px rgba(0,0,0,.04), 0 10px 30px -12px rgba(0,0,0,.18);
  --atn-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --atn-tabbar-h: 62px;
  --atn-safe-b: env(safe-area-inset-bottom, 0px);
}
[data-theme="dark"] [data-atn-root], [data-theme="dark"][data-atn-root] { --atn-accent-ink: var(--atn-accent-ink-dark, var(--atn-accent)); }
[data-theme="dark"] {
  --atn-bg: #000000;
  --atn-surface: #1c1c1e;
  --atn-surface-2: #2c2c2e;
  --atn-ink: #f5f5f7;
  --atn-ink-2: #d1d1d6;
  --atn-ink-3: #8e8e93;
  --atn-line: rgba(84, 84, 88, 0.55);
  --atn-track: rgba(120, 120, 128, 0.32);
  --atn-positive: #30d158;
  --atn-warning: #ffb340;
  --atn-critical: #ff6961;
  --atn-shadow: 0 1px 2px rgba(0,0,0,.5), 0 10px 30px -12px rgba(0,0,0,.6);
}

[data-atn-root] { --atn-accent-ink: var(--atn-accent-ink-light, var(--atn-accent)); font-family: var(--atn-font); color: var(--atn-ink); background: var(--atn-bg); position: relative; height: 100%; display: flex; flex-direction: column; overflow: hidden; -webkit-font-smoothing: antialiased; font-size: 16px; line-height: 1.35; }
[data-atn-root] * { box-sizing: border-box; }
[data-atn-root] :where(button) { font: inherit; color: inherit; background: none; border: 0; padding: 0; margin: 0; cursor: pointer; -webkit-tap-highlight-color: transparent; }
[data-atn-root] :where(input, select, textarea) { font: inherit; color: inherit; }
[data-atn-root] :where(h1, h2, h3, p, ul) { margin: 0; }
[data-atn-root] :where(ul) { padding-left: 1.1em; }
[data-atn-root] *:focus-visible { outline: 2px solid var(--atn-accent); outline-offset: 2px; border-radius: 6px; }

.atn-screens { flex: 1; overflow-y: auto; overflow-x: hidden; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; padding-bottom: calc(var(--atn-tabbar-h) + var(--atn-safe-b) + 24px); scrollbar-width: thin; }
.atn-tabbar[hidden] ~ .atn-screens, [data-atn-root]:has(.atn-tabbar[hidden]) .atn-screens { padding-bottom: calc(var(--atn-safe-b) + 16px); }
.atn-screen { padding: 0 16px 32px; min-height: 100%; animation: atn-fade .18s ease; }
@keyframes atn-fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .atn-screen { animation: none; } }

/* header */
.atn-header { position: sticky; top: 0; z-index: 5; margin: 0 -16px 12px; padding: 8px 12px 6px; background: color-mix(in srgb, var(--atn-bg) 86%, transparent); backdrop-filter: saturate(180%) blur(18px); -webkit-backdrop-filter: saturate(180%) blur(18px); }
.atn-header__bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 40px; }
.atn-header__left { display: flex; align-items: center; gap: 4px; }
.atn-header__right { display: flex; align-items: center; gap: 2px; justify-content: flex-end; }
.atn-header__title { font-weight: 600; font-size: 17px; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.atn-header--large .atn-header__bar { grid-template-columns: 1fr auto; }
.atn-header__large { font-size: 32px; font-weight: 800; letter-spacing: -0.02em; padding: 4px 4px 0; line-height: 1.1; }
.atn-header__subtitle { color: var(--atn-ink-3); font-size: 15px; padding: 4px 4px 4px; }
.atn-iconbtn { display: inline-flex; align-items: center; gap: 4px; min-width: 36px; height: 36px; padding: 0 6px; border-radius: 10px; color: var(--atn-accent-ink); font-weight: 600; font-size: 15px; }
.atn-iconbtn:hover { background: color-mix(in srgb, var(--atn-accent) 10%, transparent); }
.atn-iconbtn--primary { background: var(--atn-accent); color: var(--atn-on-accent); border-radius: 999px; padding: 0 12px; }
.atn-iconbtn--primary:hover { background: var(--atn-accent); filter: brightness(1.08); }
.atn-linkbtn { color: var(--atn-accent-ink); font-weight: 600; font-size: 14px; }

/* sections & cards */
.atn-section { margin: 0 0 22px; }
.atn-section__head { display: flex; justify-content: space-between; align-items: baseline; padding: 0 4px 8px; }
.atn-section__title { font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--atn-ink-3); }
.atn-section__footer { color: var(--atn-ink-3); font-size: 13px; padding: 8px 4px 0; }
.atn-card { background: var(--atn-surface); border-radius: var(--atn-radius); padding: 14px 16px; box-shadow: var(--atn-shadow); margin-bottom: 12px; }
.atn-card--tappable { cursor: pointer; transition: transform .12s ease; }
.atn-card--tappable:active { transform: scale(.985); }
.atn-card[data-tone="accent"] { background: color-mix(in srgb, var(--atn-accent) 12%, var(--atn-surface)); }
.atn-card[data-tone="positive"] { background: color-mix(in srgb, var(--atn-positive) 12%, var(--atn-surface)); }
.atn-card[data-tone="warning"] { background: color-mix(in srgb, var(--atn-warning) 14%, var(--atn-surface)); }
.atn-card[data-tone="critical"] { background: color-mix(in srgb, var(--atn-critical) 12%, var(--atn-surface)); }
.atn-card__head { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.atn-card__icon { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: color-mix(in srgb, var(--atn-accent) 14%, transparent); color: var(--atn-accent-ink); }
.atn-card__title { font-weight: 700; font-size: 16px; }
.atn-card__subtitle { color: var(--atn-ink-3); font-size: 13px; }
.atn-divider { height: 1px; background: var(--atn-line); margin: 12px 0; }

/* lists */
.atn-list { background: var(--atn-surface); border-radius: var(--atn-radius); overflow: hidden; box-shadow: var(--atn-shadow); margin-bottom: 12px; }
.atn-list--plain { background: none; box-shadow: none; border-radius: 0; }
.atn-row { display: flex; align-items: center; gap: 12px; width: 100%; padding: 11px 14px; text-align: left; min-height: 52px; border-bottom: 1px solid var(--atn-line); position: relative; }
.atn-row:last-child { border-bottom: 0; }
button.atn-row:hover { background: var(--atn-surface-2); }
button.atn-row:active { background: color-mix(in srgb, var(--atn-accent) 8%, var(--atn-surface)); }
.atn-row__lead { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; flex: none; background: color-mix(in srgb, var(--atn-accent) 14%, transparent); color: var(--atn-accent-ink); }
.atn-row__lead[data-tone="positive"] { background: color-mix(in srgb, var(--atn-positive) 16%, transparent); color: var(--atn-positive); }
.atn-row__lead[data-tone="warning"] { background: color-mix(in srgb, var(--atn-warning) 18%, transparent); color: var(--atn-warning); }
.atn-row__lead[data-tone="critical"] { background: color-mix(in srgb, var(--atn-critical) 14%, transparent); color: var(--atn-critical); }
.atn-row__lead[data-tone="neutral"] { background: var(--atn-track); color: var(--atn-ink-2); }
.atn-row__emoji { font-size: 20px; line-height: 1; }
.atn-row__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.atn-row__title { font-size: 16px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.atn-row__subtitle { font-size: 13px; color: var(--atn-ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.atn-row__value { font-size: 15px; color: var(--atn-ink-3); font-variant-numeric: tabular-nums; white-space: nowrap; }
.atn-row__value[data-tone="positive"] { color: var(--atn-positive); font-weight: 600; }
.atn-row__value[data-tone="critical"] { color: var(--atn-critical); font-weight: 600; }
.atn-row__value[data-tone="warning"] { color: var(--atn-warning); font-weight: 600; }
.atn-row__value[data-tone="accent"] { color: var(--atn-accent-ink); font-weight: 600; }
.atn-row__value[data-tone="ink"] { color: var(--atn-ink); font-weight: 600; }
.atn-row__trail { display: flex; align-items: center; gap: 6px; }
.atn-row__chev { color: var(--atn-ink-3); opacity: .6; display: flex; }

/* stats */
.atn-statgrid { display: grid; gap: 10px; margin-bottom: 12px; }
.atn-stat { background: var(--atn-surface); border-radius: var(--atn-radius); padding: 12px 14px; box-shadow: var(--atn-shadow); position: relative; }
.atn-stat[data-tone="accent"] { background: var(--atn-accent); color: var(--atn-on-accent); }
.atn-stat[data-tone="accent"] .atn-stat__label, .atn-stat[data-tone="accent"] .atn-stat__hint { color: color-mix(in srgb, var(--atn-on-accent) 78%, transparent); }
.atn-stat[data-tone="positive"] .atn-stat__value { color: var(--atn-positive); }
.atn-stat[data-tone="warning"] .atn-stat__value { color: var(--atn-warning); }
.atn-stat[data-tone="critical"] .atn-stat__value { color: var(--atn-critical); }
.atn-stat__icon { position: absolute; top: 12px; right: 12px; opacity: .6; }
.atn-stat__label { font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--atn-ink-3); }
/* the icon is absolutely positioned top-right; keep the label clear of it */
.atn-stat:has(.atn-stat__icon) .atn-stat__label { padding-right: 22px; }
.atn-stat__value { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; margin-top: 2px; font-variant-numeric: tabular-nums; line-height: 1.15; }
.atn-stat__hint { font-size: 12px; color: var(--atn-ink-3); margin-top: 2px; }

/* hero */
.atn-hero { border-radius: var(--atn-radius-lg); padding: 22px 20px; margin-bottom: 14px; color: var(--atn-on-accent); background: linear-gradient(135deg, var(--atn-accent), color-mix(in srgb, var(--atn-accent) 65%, #000)); box-shadow: 0 18px 40px -20px rgb(var(--atn-accent-rgb) / .7); }
.atn-hero__eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; opacity: .8; }
.atn-hero__value { font-size: 40px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.05; margin-top: 4px; font-variant-numeric: tabular-nums; }
.atn-hero__label { font-size: 14px; opacity: .85; margin-top: 4px; }

/* buttons */
.atn-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 18px; border-radius: 999px; font-weight: 600; font-size: 16px; line-height: 1; transition: transform .1s ease, filter .1s ease, background .12s ease; white-space: nowrap; }
.atn-btn:active { transform: scale(.97); }
.atn-btn:disabled { opacity: .45; cursor: not-allowed; }
.atn-btn--primary { background: var(--atn-accent); color: var(--atn-on-accent); box-shadow: 0 8px 20px -10px rgb(var(--atn-accent-rgb) / .8); }
.atn-btn--primary:hover { filter: brightness(1.06); }
.atn-btn--secondary { background: color-mix(in srgb, var(--atn-accent) 12%, transparent); color: var(--atn-accent-ink); }
.atn-btn--ghost { background: var(--atn-track); color: var(--atn-ink); }
.atn-btn--outline { box-shadow: inset 0 0 0 1.5px var(--atn-line); color: var(--atn-ink); }
.atn-btn--danger { background: color-mix(in srgb, var(--atn-critical) 12%, transparent); color: var(--atn-critical); }
.atn-btn--full { width: 100%; }
.atn-btn--small { padding: 8px 12px; font-size: 14px; }
.atn-btnrow { display: flex; gap: 10px; margin: 8px 0 14px; }
.atn-btnrow > .atn-btn { flex: 1; }
.atn-fab { position: absolute; right: 18px; bottom: calc(var(--atn-tabbar-h) + var(--atn-safe-b) + 16px); z-index: 6; display: inline-flex; align-items: center; gap: 8px; height: 56px; min-width: 56px; padding: 0 18px; border-radius: 999px; background: var(--atn-accent); color: var(--atn-on-accent); font-weight: 700; box-shadow: 0 12px 28px -8px rgb(var(--atn-accent-rgb) / .8); transition: transform .12s ease; }
.atn-fab:active { transform: scale(.95); }
[data-atn-root]:has(.atn-tabbar[hidden]) .atn-fab { bottom: calc(var(--atn-safe-b) + 20px); }
.atn-pill { display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; background: var(--atn-track); color: var(--atn-ink-2); white-space: nowrap; }
.atn-pill[data-tone="accent"] { background: color-mix(in srgb, var(--atn-accent) 16%, transparent); color: var(--atn-accent-ink); }
.atn-pill[data-tone="positive"] { background: color-mix(in srgb, var(--atn-positive) 18%, transparent); color: var(--atn-positive); }
.atn-pill[data-tone="warning"] { background: color-mix(in srgb, var(--atn-warning) 20%, transparent); color: var(--atn-warning); }
.atn-pill[data-tone="critical"] { background: color-mix(in srgb, var(--atn-critical) 14%, transparent); color: var(--atn-critical); }
.atn-tag { display: inline-flex; padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 600; background: var(--atn-track); color: var(--atn-ink-2); }
.atn-chiprow { display: flex; gap: 8px; overflow-x: auto; padding: 2px 0 10px; margin: 0 -16px; padding-left: 16px; padding-right: 16px; scrollbar-width: none; }
.atn-chiprow::-webkit-scrollbar { display: none; }
.atn-chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 13px; border-radius: 999px; background: var(--atn-surface); box-shadow: inset 0 0 0 1px var(--atn-line); font-size: 14px; font-weight: 500; white-space: nowrap; flex: none; }
.atn-chip--active { background: var(--atn-accent); color: var(--atn-on-accent); box-shadow: none; }

/* segmented + toggle + stepper */
.atn-segmented { display: flex; background: var(--atn-track); border-radius: 10px; padding: 3px; gap: 2px; margin-bottom: 12px; }
.atn-segmented__item { flex: 1; padding: 7px 8px; border-radius: 8px; font-size: 14px; font-weight: 600; color: var(--atn-ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.atn-segmented__item.is-active { background: var(--atn-surface); color: var(--atn-ink); box-shadow: 0 2px 8px rgba(0,0,0,.12); }
.atn-toggle { width: 51px; height: 31px; border-radius: 999px; background: var(--atn-track); position: relative; transition: background .18s ease; flex: none; }
.atn-toggle.is-on { background: var(--atn-positive); }
.atn-toggle__knob { position: absolute; top: 2px; left: 2px; width: 27px; height: 27px; border-radius: 50%; background: #fff; box-shadow: 0 2px 6px rgba(0,0,0,.25); transition: transform .18s ease; }
.atn-toggle.is-on .atn-toggle__knob { transform: translateX(20px); }
.atn-stepper { display: inline-flex; align-items: center; background: var(--atn-track); border-radius: 10px; overflow: hidden; }
.atn-stepper__btn { width: 40px; height: 36px; display: grid; place-items: center; color: var(--atn-ink); }
.atn-stepper__btn:hover { background: rgba(0,0,0,.06); }
.atn-stepper__value { min-width: 48px; text-align: center; font-weight: 700; font-variant-numeric: tabular-nums; }

/* fields & forms */
.atn-form { display: flex; flex-direction: column; gap: 14px; }
.atn-field { display: flex; flex-direction: column; gap: 6px; }
.atn-field--inline { flex-direction: row; align-items: center; justify-content: space-between; gap: 12px; }
.atn-field__label { font-size: 13px; font-weight: 600; color: var(--atn-ink-2); }
.atn-field--inline .atn-field__label { font-size: 16px; font-weight: 500; color: var(--atn-ink); }
.atn-field__hint { font-size: 12px; color: var(--atn-ink-3); }
.atn-field__error { font-size: 12px; color: var(--atn-critical); font-weight: 600; }
.atn-field.has-error .atn-input { box-shadow: inset 0 0 0 2px var(--atn-critical); }
.atn-input { width: 100%; padding: 12px 14px; border-radius: 12px; background: var(--atn-surface); border: 0; box-shadow: inset 0 0 0 1px var(--atn-line); font-size: 16px; color: var(--atn-ink); }
.atn-input:focus { box-shadow: inset 0 0 0 2px var(--atn-accent); outline: none; }
.atn-input::placeholder { color: var(--atn-ink-3); }
select.atn-input { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238e8e93' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
textarea.atn-input { resize: vertical; min-height: 80px; line-height: 1.4; }
.atn-input__affix { display: flex; align-items: center; background: var(--atn-surface); border-radius: 12px; box-shadow: inset 0 0 0 1px var(--atn-line); }
.atn-input__affix .atn-input { box-shadow: none; background: transparent; flex: 1; min-width: 0; }
.atn-input__affix:focus-within { box-shadow: inset 0 0 0 2px var(--atn-accent); }
.atn-input__prefix, .atn-input__suffix { padding: 0 12px; color: var(--atn-ink-3); font-weight: 600; white-space: nowrap; }
.atn-input__prefix + .atn-input { padding-left: 0; }
.atn-slider__wrap { display: flex; align-items: center; gap: 12px; }
.atn-slider { flex: 1; accent-color: var(--atn-accent-ink); height: 28px; }
.atn-slider__value { min-width: 44px; text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.atn-choices { display: flex; flex-wrap: wrap; gap: 8px; }
.atn-choice { display: inline-flex; align-items: center; gap: 6px; padding: 9px 13px; border-radius: 12px; background: var(--atn-surface); box-shadow: inset 0 0 0 1px var(--atn-line); font-size: 14px; font-weight: 500; }
.atn-choice.is-active { background: color-mix(in srgb, var(--atn-accent) 14%, var(--atn-surface)); box-shadow: inset 0 0 0 2px var(--atn-accent); color: var(--atn-accent-ink); font-weight: 600; }
.atn-choice__emoji { font-size: 18px; line-height: 1; }
.atn-form__actions { display: flex; gap: 10px; margin-top: 4px; }
.atn-form__actions > .atn-btn { flex: 1; }
.atn-search { display: flex; align-items: center; gap: 8px; background: var(--atn-track); border-radius: 12px; padding: 0 12px; margin-bottom: 12px; color: var(--atn-ink-3); }
.atn-search__input { flex: 1; background: none; border: 0; padding: 10px 0; font-size: 16px; color: var(--atn-ink); outline: none; min-width: 0; }
.atn-search__input::-webkit-search-cancel-button { -webkit-appearance: none; }

/* empty state */
.atn-empty { text-align: center; padding: 40px 20px; color: var(--atn-ink-3); display: flex; flex-direction: column; align-items: center; gap: 10px; }
.atn-empty__emoji { font-size: 44px; line-height: 1; }
.atn-empty__icon { width: 60px; height: 60px; border-radius: 18px; display: grid; place-items: center; background: color-mix(in srgb, var(--atn-accent) 12%, transparent); color: var(--atn-accent-ink); }
.atn-empty__title { font-size: 18px; font-weight: 700; color: var(--atn-ink); }
.atn-empty__msg { font-size: 14px; max-width: 280px; line-height: 1.45; }
.atn-empty .atn-btn { margin-top: 6px; }

/* ring / bars / charts */
.atn-ring { position: relative; display: inline-grid; place-items: center; }
.atn-ring svg { position: absolute; inset: 0; }
.atn-ring__bar { transition: stroke-dashoffset .5s cubic-bezier(.2,.7,.2,1); }
.atn-ring__label { position: relative; text-align: center; }
.atn-ring__value { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.atn-ring__sub { font-size: 11px; color: var(--atn-ink-3); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.atn-bar { height: 8px; background: var(--atn-track); border-radius: 999px; overflow: hidden; }
.atn-bar__fill { height: 100%; border-radius: 999px; transition: width .4s ease; }
.atn-bar[data-tone="positive"] .atn-bar__fill { background: var(--atn-positive); }
.atn-bar[data-tone="warning"] .atn-bar__fill { background: var(--atn-warning); }
.atn-bar[data-tone="critical"] .atn-bar__fill { background: var(--atn-critical); }
.atn-chart { position: relative; }
.atn-chart--bars { display: flex; align-items: stretch; gap: 6px; padding-top: 4px; }
.atn-chart__col { flex: 1; display: flex; flex-direction: column; align-items: center; min-width: 0; gap: 4px; }
.atn-chart__barwrap { flex: 1; width: 100%; display: flex; align-items: flex-end; }
.atn-chart__bar { width: 100%; border-radius: 6px 6px 3px 3px; min-height: 3px; transition: height .4s ease; opacity: .9; }
.atn-chart__bar.is-active { opacity: 1; box-shadow: 0 0 0 2px var(--atn-surface), 0 0 0 4px var(--atn-accent); }
.atn-chart__label { font-size: 11px; color: var(--atn-ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.atn-chart__val { font-size: 11px; font-weight: 600; color: var(--atn-ink-2); font-variant-numeric: tabular-nums; }
.atn-chart__empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--atn-ink-3); font-size: 14px; }
.atn-chart--line .atn-chart__empty { position: static; padding: 30px 0; }
.atn-chart__axis { display: flex; justify-content: space-between; font-size: 11px; color: var(--atn-ink-3); padding-top: 4px; }
.atn-heatmap { display: grid; gap: 3px; }
.atn-heatmap__week { display: grid; grid-template-rows: repeat(7, 1fr); gap: 3px; }
.atn-heatmap__cell { aspect-ratio: 1; border-radius: 3px; background: var(--atn-track); }
.atn-heatmap__cell.is-future { opacity: .25; }
.atn-heatmap__cell.is-today { box-shadow: 0 0 0 1.5px var(--atn-ink-3); }
.atn-donut { display: flex; align-items: center; gap: 16px; }
.atn-donut__ring { position: relative; display: grid; place-items: center; flex: none; }
.atn-donut__ring svg { display: block; }
.atn-donut__label { position: absolute; text-align: center; }
.atn-donut__value { font-size: 18px; font-weight: 800; }
.atn-donut__sub { font-size: 11px; color: var(--atn-ink-3); }
.atn-donut__legend { flex: 1; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.atn-donut__item { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.atn-donut__swatch { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.atn-donut__name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.atn-donut__pct { color: var(--atn-ink-3); font-variant-numeric: tabular-nums; }

/* calendar */
.atn-cal { background: var(--atn-surface); border-radius: var(--atn-radius); padding: 10px 12px 12px; box-shadow: var(--atn-shadow); margin-bottom: 12px; }
.atn-cal__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.atn-cal__title { font-weight: 700; }
.atn-cal__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.atn-cal__dow { text-align: center; font-size: 11px; font-weight: 700; color: var(--atn-ink-3); padding: 4px 0; }
.atn-cal__cell { aspect-ratio: 1; border-radius: 10px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; font-size: 14px; position: relative; }
.atn-cal__cell:hover:not(.is-empty) { background: var(--atn-track); }
.atn-cal__cell.is-today .atn-cal__day { color: var(--atn-accent-ink); font-weight: 800; }
.atn-cal__cell.is-selected { background: var(--atn-accent); color: var(--atn-on-accent); }
.atn-cal__cell.is-selected .atn-cal__day { color: inherit; }
.atn-cal__dots { display: flex; gap: 2px; height: 5px; }
.atn-cal__dot { width: 5px; height: 5px; border-radius: 50%; }
.atn-cal__cell.is-selected .atn-cal__dot { background: var(--atn-on-accent) !important; }

/* timer */
.atn-timer { font-size: 72px; font-weight: 800; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; line-height: 1; text-align: center; }
.atn-timer--small { font-size: 40px; }

/* misc */
.atn-avatar { display: inline-grid; place-items: center; border-radius: 50%; color: #fff; font-weight: 700; flex: none; }
.atn-kv { display: flex; flex-direction: column; }
.atn-kv__row { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--atn-line); font-size: 15px; }
.atn-kv__row:last-child { border-bottom: 0; }
.atn-kv__k { color: var(--atn-ink-3); }
.atn-kv__v { font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }
.atn-banner { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 12px; background: color-mix(in srgb, var(--atn-accent) 12%, var(--atn-surface)); color: var(--atn-ink); margin-bottom: 12px; font-size: 14px; }
.atn-banner > .atn-icon { color: var(--atn-accent-ink); flex: none; margin-top: 1px; }
.atn-banner--warning { background: color-mix(in srgb, var(--atn-warning) 16%, var(--atn-surface)); }
.atn-banner--warning > .atn-icon { color: var(--atn-warning); }
.atn-banner--critical { background: color-mix(in srgb, var(--atn-critical) 12%, var(--atn-surface)); }
.atn-banner--critical > .atn-icon { color: var(--atn-critical); }
.atn-banner--positive { background: color-mix(in srgb, var(--atn-positive) 14%, var(--atn-surface)); }
.atn-banner--positive > .atn-icon { color: var(--atn-positive); }
.atn-banner__title { font-weight: 700; }
.atn-banner__msg { color: var(--atn-ink-2); margin-top: 2px; }
.atn-banner > div { flex: 1; }
.atn-icon { display: inline-flex; line-height: 0; flex: none; }

/* tab bar */
.atn-tabbar { position: absolute; left: 0; right: 0; bottom: 0; z-index: 7; display: flex; justify-content: space-around; align-items: stretch; height: calc(var(--atn-tabbar-h) + var(--atn-safe-b)); padding: 6px 4px calc(var(--atn-safe-b) + 6px); background: color-mix(in srgb, var(--atn-surface) 88%, transparent); backdrop-filter: saturate(180%) blur(18px); -webkit-backdrop-filter: saturate(180%) blur(18px); border-top: 1px solid var(--atn-line); }
.atn-tab { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; font-size: 10.5px; font-weight: 600; color: var(--atn-ink-3); border-radius: 10px; letter-spacing: .01em; }
.atn-tab.is-active { color: var(--atn-accent-ink); }
.atn-tab:active { transform: scale(.95); }

/* sheets, dialogs, toasts, action sheets */
.atn-sheet__backdrop, .atn-dialog__backdrop { position: absolute; inset: 0; z-index: 20; background: rgba(0,0,0,.35); display: flex; align-items: flex-end; justify-content: center; opacity: 0; transition: opacity .18s ease; }
.atn-dialog__backdrop { align-items: center; padding: 24px; }
.atn-sheet__backdrop.is-open, .atn-dialog__backdrop.is-open { opacity: 1; }
.atn-sheet { width: 100%; max-height: 92%; background: var(--atn-bg); border-radius: 22px 22px 0 0; display: flex; flex-direction: column; transform: translateY(24px); transition: transform .2s cubic-bezier(.2,.8,.2,1); box-shadow: 0 -10px 40px rgba(0,0,0,.2); }
.atn-sheet--full { height: 96%; }
.atn-sheet__backdrop.is-open .atn-sheet { transform: none; }
.atn-sheet__head { padding: 8px 10px 6px 18px; flex: none; }
.atn-sheet__grab { width: 36px; height: 5px; border-radius: 999px; background: var(--atn-track); margin: 0 auto 6px; }
.atn-sheet__bar { display: flex; align-items: center; justify-content: space-between; }
.atn-sheet__title { font-weight: 700; font-size: 18px; }
.atn-sheet__body { padding: 4px 18px calc(18px + var(--atn-safe-b)); overflow-y: auto; }
.atn-dialog { width: 100%; max-width: 300px; background: var(--atn-surface); border-radius: 18px; padding: 20px 18px 14px; text-align: center; transform: scale(.96); transition: transform .16s ease; box-shadow: var(--atn-shadow); }
.atn-dialog__backdrop.is-open .atn-dialog { transform: none; }
.atn-dialog__title { font-weight: 700; font-size: 17px; }
.atn-dialog__msg { color: var(--atn-ink-2); font-size: 14px; margin-top: 6px; line-height: 1.4; }
.atn-dialog__actions { display: flex; gap: 8px; margin-top: 16px; }
.atn-dialog__actions > .atn-btn { flex: 1; }
.atn-actions { display: flex; flex-direction: column; gap: 6px; padding-bottom: 6px; }
.atn-actions__item { display: flex; align-items: center; gap: 12px; padding: 13px 14px; border-radius: 12px; background: var(--atn-surface); font-size: 16px; font-weight: 500; width: 100%; text-align: left; }
.atn-actions__item .atn-icon { color: var(--atn-accent-ink); }
.atn-actions__item.is-danger { color: var(--atn-critical); }
.atn-actions__item.is-danger .atn-icon { color: var(--atn-critical); }
.atn-actions__item:hover { background: var(--atn-surface-2); }
.atn-toasthost { position: absolute; left: 0; right: 0; bottom: calc(var(--atn-tabbar-h) + var(--atn-safe-b) + 14px); z-index: 30; display: flex; justify-content: center; pointer-events: none; }
.atn-toast { background: var(--atn-ink); color: var(--atn-bg); padding: 10px 16px; border-radius: 999px; font-size: 14px; font-weight: 600; box-shadow: var(--atn-shadow); opacity: 0; transform: translateY(8px); transition: opacity .18s ease, transform .18s ease; max-width: 88%; text-align: center; }
.atn-toast.is-in { opacity: 1; transform: none; }
.atn-toast--critical { background: var(--atn-critical); color: #fff; }
.atn-toast--positive { background: var(--atn-positive); color: #fff; }

/* first-run / privacy / about */
.atn-privacy { display: flex; flex-direction: column; gap: 10px; font-size: 14px; color: var(--atn-ink-2); line-height: 1.45; }
.atn-privacy h3 { font-size: 18px; color: var(--atn-ink); }
.atn-privacy__icon { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; background: color-mix(in srgb, var(--atn-accent) 14%, transparent); color: var(--atn-accent-ink); }
.atn-privacy ul { display: flex; flex-direction: column; gap: 4px; }
.atn-firstrun__lead { font-size: 16px; color: var(--atn-ink); margin-bottom: 14px; line-height: 1.4; }
.atn-firstrun__actions { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.atn-about { display: flex; flex-direction: column; gap: 10px; font-size: 14px; color: var(--atn-ink-2); line-height: 1.45; }
.atn-about__tagline { font-size: 17px; font-weight: 700; color: var(--atn-ink); }
.atn-about__caps { display: flex; flex-direction: column; gap: 5px; }
.atn-about__foot { font-size: 12px; color: var(--atn-ink-3); }

/* utility helpers app modules may use */
.atn-muted { color: var(--atn-ink-3); }
.atn-small { font-size: 13px; }
.atn-strong { font-weight: 700; }
.atn-center { text-align: center; }
.atn-flex { display: flex; align-items: center; gap: 8px; }
.atn-flex--between { justify-content: space-between; }
.atn-grow { flex: 1; min-width: 0; }
.atn-num { font-variant-numeric: tabular-nums; }
.atn-mt { margin-top: 12px; }
.atn-mb { margin-bottom: 12px; }
.atn-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.atn-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.atn-accent { color: var(--atn-accent-ink); }
.atn-positive { color: var(--atn-positive); }
.atn-warning { color: var(--atn-warning); }
.atn-critical { color: var(--atn-critical); }
.atn-title { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; }
.atn-subtitle { font-size: 15px; color: var(--atn-ink-3); }
.atn-mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.atn-scroll-x { display: flex; gap: 10px; overflow-x: auto; margin: 0 -16px; padding: 4px 16px 10px; scrollbar-width: none; }
.atn-scroll-x::-webkit-scrollbar { display: none; }
.atn-scroll-x > * { flex: none; }
.atn-tile { background: var(--atn-surface); border-radius: var(--atn-radius); padding: 14px; box-shadow: var(--atn-shadow); display: flex; flex-direction: column; gap: 6px; text-align: left; }
button.atn-tile:active { transform: scale(.98); }
.atn-tile__emoji { font-size: 26px; line-height: 1; }
.atn-tile__title { font-weight: 700; font-size: 15px; }
.atn-tile__sub { font-size: 12px; color: var(--atn-ink-3); }
.atn-fullscreen { position: absolute; inset: 0; z-index: 10; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px; text-align: center; }