:root {
  color-scheme: light;
  --canvas: #f5f8f7; --surface: #ffffff; --surface-soft: #edf4f2;
  --ink: #152e2e; --muted: #536765; --border: #dbe5e2;
  --accent: #087d7e; --accent-soft: #cff5f3; --brand: #10c5c5; --on-brand: #103535;
  --month-rail: #e2f0ee; --month-rail-ink: #3f625e;
  --focus: #006b77; --danger: #a52f38; --danger-soft: #fff1ee;
  --check-ink: #008f90;
  --shadow: 0 3px 16px #12352b06; --on-accent: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}
:root[data-appearance="dark"] {
  color-scheme: dark;
  --canvas: #102120; --surface: #192d2b; --surface-soft: #203a36;
  --ink: #e9f3ef; --muted: #a7bdb5; --border: #33504a;
  --accent: #58d9d9; --accent-soft: #164243; --focus: #8bf0ef;
  --month-rail: #183532; --month-rail-ink: #b7ccc5;
  --danger: #ffaba5; --danger-soft: #402b2c; --on-accent: #102a26;
  --check-ink: #27dddd;
  --shadow: none;
}
@media (prefers-color-scheme: dark) {
  :root[data-appearance="system"] {
    color-scheme: dark;
    --canvas: #102120; --surface: #192d2b; --surface-soft: #203a36;
    --ink: #e9f3ef; --muted: #a7bdb5; --border: #33504a;
    --accent: #58d9d9; --accent-soft: #164243; --focus: #8bf0ef;
    --month-rail: #183532; --month-rail-ink: #b7ccc5;
    --danger: #ffaba5; --danger-soft: #402b2c; --on-accent: #102a26;
    --check-ink: #27dddd;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-size: 16px; line-height: 1.5; }
button, select { font: inherit; }
input, textarea { font: inherit; }
button, a, input, select, summary { -webkit-tap-highlight-color: transparent; }
button, select, summary { cursor: pointer; }
button { color: inherit; }
button:disabled { cursor: default; opacity: .38; }
a { color: var(--accent); text-underline-offset: 3px; }
button { touch-action: manipulation; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
h1, h2, h3, p { margin-top: 0; }
.app-shell { width: min(100%, 672px); margin: 0 auto; padding: max(26px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left)); }
.masthead { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 12px 0 32px; border-bottom: 1px solid var(--border); }
.brand-link { display: block; max-width: 270px; width: 65%; }
.brand-logo { display: block; width: 100%; height: auto; }
.logo-dark { display: none; }
:root[data-appearance="dark"] .logo-light { display: none; }
:root[data-appearance="dark"] .logo-dark { display: block; }
@media (prefers-color-scheme: dark) {
  :root[data-appearance="system"] .logo-light { display: none; }
  :root[data-appearance="system"] .logo-dark { display: block; }
}
.icon-button { width: 46px; min-height: 46px; display: grid; place-items: center; flex-shrink: 0; border: 1px solid var(--border); border-radius: 50%; background: var(--surface); }
.icon-button svg { width: 23px; height: 23px; }
.icon-button circle { fill: var(--surface); }
.primary-navigation { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.primary-navigation .context-button[aria-current="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--ink); }
.home-view { padding: 28px 0 8px; }
.home-hero { padding: 8px 0 18px; }
.home-hero .eyebrow { margin-bottom: 9px; }
.home-hero p:last-child { max-width: 560px; color: var(--muted); font-size: 1.02rem; }
.home-card { margin-top: 14px; padding: 20px; border: 1px solid var(--border); border-radius: 15px; background: var(--surface); box-shadow: var(--shadow); }
.home-card h2 { margin-bottom: 8px; font-size: 1.12rem; letter-spacing: -.025em; }
.home-card p { margin-bottom: 15px; color: var(--muted); font-size: .9rem; }
.home-card .primary-button { width: 100%; }
.home-install .secondary-button { display: inline-flex; align-items: center; text-decoration: none; }
.home-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px 22px; padding: 18px 3px 0; text-align: center; }
.home-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: .84rem; }
.plan-options { display: grid; gap: 8px; margin: 14px 0 0; padding: 0; border: 0; }
.plan-options label { display: flex; align-items: center; gap: 12px; min-height: 58px; padding: 9px 12px; border: 1px solid var(--border); border-radius: 10px; cursor: pointer; }
.plan-options input { width: 21px; height: 21px; flex: 0 0 auto; accent-color: var(--accent); }
.week-heading { padding: 18px 0 10px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .68rem; font-weight: 750; color: var(--muted); margin: 0; }
.week-heading > .eyebrow { margin-bottom: 8px; }
h1 { font-size: clamp(1.95rem, 6.75vw, 3.075rem); line-height: 1.08; letter-spacing: -.055em; font-weight: 760; margin-bottom: 6px; }
.date-range { font-size: 1.15rem; letter-spacing: -.025em; margin-bottom: 0; }
.test-mode-banner { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 12px; padding: 12px 14px; border: 2px solid var(--accent); border-radius: 10px; background: var(--accent-soft); color: var(--ink); }
.test-mode-banner[hidden] { display: none; }
.test-mode-banner strong { font-size: .86rem; }
.test-mode-actions { display: flex; flex-shrink: 0; gap: 8px; }
.test-mode-actions .secondary-button { min-height: 40px; padding: 8px 11px; }
.week-navigation { display: grid; gap: 3px; padding: 8px 0 10px; position: sticky; top: 0; z-index: 2; background: var(--canvas); border-bottom: 1px solid var(--border); }
.adjacent-navigation { display: flex; align-items: center; justify-content: space-between; }
.nav-button, .context-button { border: 0; border-radius: 9px; background: transparent; min-height: 44px; font-weight: 650; font-size: .84rem; padding: 8px 12px; white-space: nowrap; }
.nav-button:first-child { text-align: left; padding-left: 0; }
.nav-button:last-child { text-align: right; padding-right: 0; }
.nav-button span { margin: 0 6px; font-size: 1.13rem; }
.context-button { border: 1px solid var(--border); background: var(--surface); color: var(--accent); }
.week-progress { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 14px; padding: 22px 0 14px; }
.week-progress p { font-size: .79rem; font-weight: 600; color: var(--muted); margin: 0; }
.week-progress-copy { display: grid; gap: 6px; }
.week-progress .week-complete-status { justify-self: start; padding: 4px 9px; border: 1px solid var(--check-ink); border-radius: 999px; background: var(--accent-soft); color: var(--ink); font-size: .72rem; font-weight: 750; }
.progress-marks { display: flex; gap: 3px; }
.progress-mark { display: block; width: 27px; height: 30px; }
.progress-mark .checklist-mark { width: 100%; height: 100%; }
.progress-mark .mark-ink { fill: none; stroke: var(--check-ink); stroke-width: 3.4; stroke-linecap: round; stroke-linejoin: round; shape-rendering: geometricPrecision; transform: scale(.9); }
.progress-mark:nth-child(2) .mark-ink { transform: rotate(3deg) scale(.9); }
.progress-mark:nth-child(3) .mark-ink { transform: rotate(-4deg) scale(.9); }
.progress-mark:nth-child(4) .mark-ink { transform: rotate(2deg) scale(.9); }
.progress-mark:nth-child(5) .mark-ink { transform: rotate(-2deg) scale(.9); }
.readings { display: grid; gap: 16px; }
.reading-card { overflow: hidden; border: 1px solid var(--border); border-radius: 15px; background: var(--surface); box-shadow: var(--shadow); }
.reading-card.is-complete { border-color: var(--check-ink); }
.reading-header { display: flex; align-items: center; gap: 8px; padding: 11px 16px 11px 10px; border-bottom: 1px solid var(--border); background: var(--surface-soft); }
.reading-card.is-complete .reading-header { background: var(--accent-soft); }
.check-wrap, .passage-check-wrap { position: relative; display: grid; place-items: center; width: 46px; min-height: 46px; flex-shrink: 0; }
.check-wrap input, .passage-check-wrap input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.check-wrap:has(input:focus-visible), .passage-check-wrap:has(input:focus-visible) { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 3px; }
.checklist-mark { display: block; width: 40px; height: 40px; overflow: visible; pointer-events: none; }
.mark-brackets { fill: none; stroke: var(--muted); stroke-width: 1.5; stroke-linejoin: miter; }
.mark-ink { fill: var(--check-ink); opacity: 0; transform-origin: 22px 22px; }
.check-wrap input:checked + .checklist-mark .mark-ink,
.passage-check-wrap input:checked + .checklist-mark .mark-ink,
.progress-mark.is-complete .mark-ink { opacity: 1; }
.reading-card:nth-child(even) .reading-mark .mark-ink { transform: rotate(3deg); }
.reading-card:nth-child(3) .reading-mark .mark-ink { transform: rotate(-2deg); }
.reading-header h2 { margin: 0; font-size: 1.01rem; letter-spacing: -.01em; font-weight: 700; flex: 1; }
.reading-header h2 label { display: flex; align-items: center; min-height: 46px; cursor: pointer; }
.reading-count { color: var(--muted); font-size: .72rem; font-weight: 650; white-space: nowrap; }
.passage-list { list-style: none; padding: 4px 12px 6px 8px; margin: 0; }
.passage-list li + li { border-top: 1px solid var(--border); }
.passage-row { display: flex; align-items: stretch; min-width: 0; }
.passage-check-wrap .checklist-mark { width: 35px; height: 35px; }
.passage-link { display: flex; flex: 1; min-width: 0; justify-content: space-between; align-items: center; gap: 12px; min-height: 47px; padding: 9px 2px 9px 6px; text-decoration: none; color: var(--ink); font-size: .94rem; }
.passage-link span:last-child { color: var(--muted); font-size: 1rem; }
.passage-link:hover { color: var(--accent); }
.year-view { padding-top: 18px; }
.year-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; position: sticky; top: env(safe-area-inset-top); z-index: 2; padding: 8px 0 12px; background: var(--canvas); border-bottom: 1px solid var(--border); }
.year-heading .eyebrow { margin-bottom: 5px; }
.year-heading h1 { font-size: clamp(1.9rem, 7vw, 2.65rem); margin: 0; }
.year-close-button { min-height: 44px; flex-shrink: 0; margin-left: auto; border: 0; border-radius: 9px; background: transparent; color: var(--accent); padding: 8px 0 8px 12px; font-size: .82rem; font-weight: 650; }
.year-close-button span { margin-right: 5px; }
.year-weeks { padding: 0; margin: 0; }
.month-band { display: grid; grid-template-columns: 38px minmax(0, 1fr); align-items: stretch; }
.month-band + .month-band { border-top: 1px solid var(--border); }
.month-band-label { display: grid; place-items: center; min-width: 0; margin: 0; border-right: 1px solid var(--border); background: var(--month-rail); color: var(--month-rail-ink); font-size: .58rem; font-weight: 750; letter-spacing: .11em; line-height: 1; text-transform: uppercase; writing-mode: vertical-rl; transform: rotate(180deg); }
.month-week-list { min-width: 0; margin: 0; padding: 0; list-style: none; }
.year-week-button { width: 100%; min-width: 0; min-height: 48px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 7px; text-align: left; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; background: transparent; padding: 5px 5px 5px 10px; }
.month-band:last-child .year-week:last-child .year-week-button { border-bottom: 0; }
.year-week-button:hover { background: var(--surface-soft); }
.year-week-button.is-current { background: var(--accent-soft); box-shadow: inset 3px 0 var(--brand); }
.year-week-identity { min-width: 0; display: flex; align-items: baseline; gap: 6px; }
.year-week-primary { min-width: 0; display: flex; flex: 1 1 auto; align-items: baseline; gap: 7px; white-space: nowrap; }
.year-week-primary strong { flex: 0 0 auto; font-size: .86rem; letter-spacing: -.01em; }
.current-week-label { color: var(--accent); font-size: .61rem; font-weight: 750; letter-spacing: .07em; text-transform: uppercase; }
.year-week-dates { min-width: 0; overflow: hidden; color: var(--muted); font-size: .69rem; text-overflow: ellipsis; white-space: nowrap; }
.year-week-status { min-width: 74px; display: flex; align-items: center; justify-content: flex-end; gap: 2px; color: var(--muted); }
.year-status-mark { display: block; width: 27px; height: 30px; flex-shrink: 0; }
.year-status-mark .checklist-mark { width: 100%; height: 100%; }
.year-status-mark .mark-ink { fill: none; stroke: var(--check-ink); stroke-width: 3.4; stroke-linecap: round; stroke-linejoin: round; shape-rendering: geometricPrecision; transform: scale(.9); }
.year-status-mark.is-complete .mark-ink { opacity: 1; }
.year-week-status.partial .mark-brackets { stroke: var(--check-ink); }
.help-more { margin: 16px 0 0; }
.year-status-label { font-size: .66rem; font-weight: 650; white-space: nowrap; }
.app-footer { text-align: center; padding: 8px 0 0; border-top: 1px solid var(--border); margin-top: 16px; }
.app-footer p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; column-gap: 16px; }
.footer-site { font-size: .85rem; }
.footer-credit { color: var(--muted); font-size: .72rem; letter-spacing: .01em; }
.footer-site a, .footer-credit a { display: inline-flex; align-items: center; min-height: 44px; text-decoration-thickness: 1px; }
.footer-credit a { color: inherit; }
.text-button { border: 0; background: transparent; color: var(--accent); min-height: 44px; padding: 9px 0; font-size: .85rem; font-weight: 650; }
.loading-panel, .message-panel { padding: 64px 8px; }
.loading-panel { display: flex; align-items: center; gap: 12px; color: var(--muted); }
.loading-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
.message-panel h1 { font-size: 2.2rem; }
.warning { border: 1px solid var(--danger); color: var(--danger); background: var(--danger-soft); border-radius: 10px; font-size: .84rem; padding: 14px; margin: 16px 0 0; }
.annual-complete { margin: 18px 0 4px; padding: 20px; border: 1px solid var(--check-ink); border-left-width: 4px; border-radius: 12px; background: var(--accent-soft); }
.annual-complete h2 { margin: 0 0 7px; font-size: 1.12rem; line-height: 1.25; letter-spacing: -.02em; }
.annual-complete p { margin: 0; color: var(--ink); font-size: .86rem; }
.annual-complete .annual-next-plan { margin-top: 10px; color: var(--muted); }
.intermission-panel { text-align: center; padding: 34px 24px; margin: 24px 0; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; }
.intermission-panel p { color: var(--muted); }
dialog { color: var(--ink); background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 0; width: min(580px, calc(100% - 28px)); max-height: calc(100dvh - 36px); box-shadow: 0 18px 100px #0003; }
dialog::backdrop { background: #0c2928a6; backdrop-filter: blur(3px); }
.dialog-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 18px 24px; position: sticky; top: 0; z-index: 3; background: var(--surface); border-bottom: 1px solid var(--border); }
.dialog-header h2 { flex: 1; margin: 0; font-size: 1.7rem; letter-spacing: -.035em; }
.dialog-header-actions { display: flex; align-items: center; gap: 14px; }
.dialog-back { flex-shrink: 0; padding-right: 4px; }
.dialog-back:not([hidden]) + h2 { font-size: 1.35rem; }
.close-button { font-size: 1.7rem; line-height: 1; }
.dialog-content { padding: 0 24px 26px; }
.settings-section { padding: 24px 0; border-bottom: 1px solid var(--border); }
.settings-section h3, .about-note h3 { font-size: 1rem; letter-spacing: -.01em; margin-bottom: 12px; }
.settings-section p, .about-note p { font-size: .86rem; color: var(--muted); }
.settings-plan-options { display: grid; gap: 8px; margin: 0 0 18px; padding: 0 0 18px; border: 0; border-bottom: 1px solid var(--border); }
.settings-plan-options legend { margin-bottom: 8px; font-size: .79rem; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.settings-plan-options label { display: flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; font-size: .9rem; }
.settings-plan-options input { width: 20px; height: 20px; accent-color: var(--accent); }
.preference-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label:has(select) { display: block; font-size: .79rem; font-weight: 650; }
select { display: block; margin-top: 8px; width: 100%; min-height: 46px; border: 1px solid var(--border); background: var(--canvas); color: var(--ink); border-radius: 8px; padding: 9px 28px 9px 12px; font-size: 1rem; }
.quiet { font-size: .77rem !important; color: var(--muted); margin: 12px 0 0; }
details { border-bottom: 1px solid var(--border); }
details:last-child { border-bottom: 0; }
summary { font-size: .87rem; font-weight: 650; min-height: 48px; padding: 14px 0; }
details p { margin: 0 0 14px; }
details[open] summary { color: var(--accent); }
form label { margin-bottom: 16px; }
form > p:first-child { font-size: .81rem; }
form .quiet { margin: 0 0 16px; }
.primary-button, .secondary-button, .danger-solid { border: 1px solid transparent; border-radius: 9px; min-height: 46px; padding: 11px 16px; font-size: .86rem; font-weight: 650; background: var(--accent); color: var(--on-accent); }
.secondary-button { background: var(--surface); border-color: var(--border); color: var(--ink); }
.danger-button { color: var(--danger); margin-top: 13px; }
.danger-solid { color: var(--surface); background: var(--danger); }
.reset-confirmation { padding: 16px; border: 1px solid var(--danger); border-radius: 10px; margin-top: 12px; }
.confirmation-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.inline-status { font-size: .8rem !important; margin: 12px 0 0; }
.inline-status:empty { display: none; }
.annual-celebration { position: fixed; top: max(18px, env(safe-area-inset-top)); left: 50%; transform: translateX(-50%); z-index: 8; width: min(430px, calc(100% - 32px)); overflow: hidden; display: grid; gap: 2px; padding: 17px 20px; border: 1px solid var(--check-ink); border-radius: 13px; background: var(--surface); color: var(--ink); box-shadow: 0 12px 48px #0004; pointer-events: none; }
.annual-celebration strong, .annual-celebration span { position: relative; z-index: 1; }
.annual-celebration strong { font-size: .96rem; }
.annual-celebration span { color: var(--muted); font-size: .79rem; }
.celebration-confetti { position: absolute; inset: 0; overflow: hidden; }
.confetti-piece { position: absolute; top: -12px; left: var(--x); width: 5px; height: 13px; border-radius: 2px; background: var(--confetti-color); opacity: 0; transform: rotate(var(--rotate)); }
#install-section { scroll-margin-top: 100px; }
.install-steps { padding-left: 22px; margin: 0 0 16px; font-size: .87rem; }
.install-steps li + li { margin-top: 10px; }
.install-steps p { margin-bottom: 0; }
.resource-link { display: flex; justify-content: space-between; gap: 12px; align-items: center; min-height: 46px; font-size: .86rem; text-decoration: none; }
.about-note { padding-top: 24px; }
.about-note > a { font-size: .85rem; }
.version-label { font-size: .68rem !important; padding-top: 12px; margin: 0; }
.skip-link { position: fixed; top: -100px; left: 12px; background: var(--surface); padding: 12px; z-index: 9; }
.skip-link:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.noscript { padding: 20px; }
.support-page .app-shell { min-height: 100dvh; display: flex; flex-direction: column; }
.support-page .masthead { padding-bottom: 24px; }
.support-main { flex: 1; padding: 28px 0 18px; }
.support-main h1 { margin-bottom: 12px; }
.support-intro { color: var(--muted); }
.support-card { margin-top: 24px; padding: 22px; border: 1px solid var(--border); border-radius: 15px; background: var(--surface); box-shadow: var(--shadow); }
.support-card h2 { margin-bottom: 8px; font-size: 1.15rem; }
.support-field { display: grid; gap: 7px; margin-top: 18px; }
.support-field label { margin: 0; font-size: .82rem; font-weight: 700; }
.support-field input, .support-field textarea, .support-field select { width: 100%; margin: 0; border: 1px solid var(--border); border-radius: 8px; background: var(--canvas); color: var(--ink); padding: 11px 12px; font-size: 1rem; }
.support-field input, .support-field select { min-height: 46px; }
.support-field textarea { min-height: 132px; resize: vertical; }
.support-field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.support-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 24px; }
.support-actions .primary-button { margin: 0; }
.support-note { margin: 20px 0 0; color: var(--muted); font-size: .8rem; }
.support-return { display: inline-flex; align-items: center; min-height: 44px; font-weight: 650; }
.support-page .app-footer { margin-top: auto; }
.install-shell { width: min(100%, 960px); }
.install-masthead { padding-bottom: 24px; }
.install-main { display: grid; gap: 18px; padding: 28px 0 22px; }
.install-hero, .install-benefit, .install-step, .install-faq { border: 1px solid var(--border); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); }
.install-hero { padding: clamp(24px, 5vw, 42px); border-top: 4px solid var(--brand); }
.install-hero .eyebrow { display: inline-flex; padding: 5px 10px; margin-bottom: 14px; border-radius: 999px; background: var(--surface-soft); color: var(--accent); }
.install-hero h1 { max-width: 760px; margin-bottom: 14px; font-size: clamp(2rem, 5.5vw, 3.5rem); }
.install-intro { max-width: 760px; margin-bottom: 0; color: var(--muted); font-size: 1.05rem; }
.install-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.install-actions a { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.install-benefit { padding: 22px 24px; border-left: 4px solid var(--brand); background: var(--accent-soft); }
.install-benefit h2 { margin-bottom: 5px; font-size: 1.05rem; }
.install-benefit p, .install-step p, .install-faq p { margin-bottom: 0; }
.install-tabs, .install-steps-panel { display: grid; gap: 14px; }
.install-tabs { scroll-margin-top: 16px; }
.install-tab-list { display: inline-grid; grid-template-columns: repeat(2, minmax(0, 170px)); gap: 10px; justify-self: start; }
.install-tab-button { min-height: 48px; padding: 10px 22px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--muted); font-size: .95rem; font-weight: 700; }
.install-tab-button.is-selected { border-color: var(--accent); background: var(--accent); color: var(--on-accent); }
.install-tab-panel:focus-visible { border-radius: 16px; }
.install-step { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 18px; padding: clamp(20px, 4vw, 28px); }
.install-step-num { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; border: 1px solid var(--border); border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: .82rem; font-weight: 800; letter-spacing: .04em; }
.install-step h3 { margin-bottom: 8px; font-size: 1.1rem; letter-spacing: -.015em; }
.install-step a, .install-faq a { overflow-wrap: anywhere; font-weight: 700; }
.install-shots { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.install-shots-android { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.install-shot { display: grid; align-content: start; gap: 8px; margin: 0; }
.install-shot a { display: block; overflow: hidden; border: 1px solid var(--border); border-radius: 10px; background: var(--canvas); }
.install-shot img { display: block; width: 100%; aspect-ratio: 9 / 16; object-fit: contain; object-position: top center; }
.install-shot figcaption { color: var(--muted); font-size: .82rem; line-height: 1.35; }
.install-qualification { margin-top: 16px !important; color: var(--muted); font-size: .8rem; }
.install-faq { padding: clamp(22px, 4vw, 30px); }
.install-faq > h2 { margin-bottom: 18px; font-size: 1.55rem; }
.install-question-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.install-question-grid article { padding: 18px; border: 1px solid var(--border); border-radius: 11px; background: var(--surface-soft); }
.install-question-grid h3 { margin-bottom: 7px; font-size: .95rem; }
.install-question-grid p { color: var(--muted); font-size: .88rem; }
.install-footer { margin-top: 0; }
.image-lightbox { width: min(420px, calc(100% - 28px)); max-height: calc(100dvh - 28px); padding: 50px 16px 16px; overflow: auto; }
.image-lightbox::backdrop { background: #071817d9; backdrop-filter: blur(3px); }
.image-lightbox img { display: block; width: 100%; max-height: calc(100dvh - 130px); object-fit: contain; }
.image-lightbox p { margin: 10px 0 0; text-align: center; color: var(--muted); font-size: .86rem; }
.image-lightbox-close { position: absolute; top: 8px; right: 10px; width: 40px; min-height: 40px; border: 0; background: transparent; font-size: 1.8rem; line-height: 1; }
@media (max-width: 700px) {
  .install-question-grid { grid-template-columns: 1fr; }
  .install-shots, .install-shots-android { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 420px) {
  .install-main { padding-top: 20px; }
  .install-hero, .install-benefit, .install-step, .install-faq { border-radius: 13px; }
  .install-actions { align-items: stretch; flex-direction: column; }
  .install-actions a { width: 100%; }
  .install-tab-list { grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; }
  .install-step { grid-template-columns: 1fr; gap: 12px; }
  .install-step-num { width: 42px; height: 42px; }
}
@media (max-width: 380px) {
  .app-shell { padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); }
  .masthead { padding-bottom: 24px; }
  .eyebrow { font-size: .6rem; }
  .nav-button, .context-button { padding-left: 8px; padding-right: 8px; font-size: .8rem; }
  .nav-button span { margin: 0 2px; }
  .month-band { grid-template-columns: 32px minmax(0, 1fr); }
  .year-week-button { padding-left: 8px; }
  .year-week-status { min-width: 68px; }
  .dialog-header, .dialog-content { padding-left: 18px; padding-right: 18px; }
  .preference-fields { gap: 10px; }
  .test-mode-banner { align-items: flex-start; flex-direction: column; }
  .support-card { padding: 18px; }
  .support-field-grid { grid-template-columns: 1fr; gap: 0; }
}
@media (prefers-reduced-motion: no-preference) {
  button, .passage-link { transition: background-color 140ms, color 140ms; }
  .week-complete-status:not([hidden]) { animation: week-complete-in 260ms ease-out; }
  .annual-celebration:not([hidden]) { animation: celebration-in 260ms ease-out; }
  .annual-celebration:not([hidden]) .confetti-piece { animation: confetti-fall 1350ms var(--delay) ease-out forwards; }
}
@media (prefers-reduced-motion: reduce) { .celebration-confetti { display: none; } }
@keyframes week-complete-in { from { opacity: 0; transform: translateY(3px); } }
@keyframes celebration-in { from { opacity: 0; transform: translate(-50%, -8px); } }
@keyframes confetti-fall {
  0% { opacity: 0; transform: translateY(-8px) rotate(var(--rotate)); }
  12% { opacity: .9; }
  100% { opacity: 0; transform: translateY(96px) rotate(calc(var(--rotate) + 220deg)); }
}
@media (forced-colors: active) {
  .check-wrap input, .passage-check-wrap input { position: static; width: 26px; height: 26px; opacity: 1; }
  .check-wrap .checklist-mark, .passage-check-wrap .checklist-mark { display: none; }
  .mark-brackets { stroke: CanvasText; }
  .mark-ink { fill: Highlight; }
  .progress-mark .mark-ink { stroke: Highlight; }
}