/* Cards.Fast — calm study tool. More Basecamp than Linear. */

:root {
  color-scheme: light;
  --paper: #f4efe6;
  --paper-2: #ebe4d6;
  --raised: #fffaf2;
  --ink: #2b261f;
  --ink-soft: #5e564c;
  --ink-faint: #8a8073;
  --rule: #e4d8c6;
  --rule-strong: #d3c4ac;
  --accent: #c45c26;
  --accent-deep: #9a4318;
  --accent-soft: #f3d6c4;
  --forest: #3d6b4f;
  --forest-soft: #dce8df;
  --clay: #a33b2b;
  --gold: #9a6b24;
  --sky: #3d6473;
  --shadow: 0 18px 50px rgba(60, 42, 20, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --font: "Avenir Next", "Segoe UI", "Helvetica Neue", ui-sans-serif, sans-serif;
  --measure: 42rem;
}

html[data-theme="dark"],
body[data-theme="dark"] {
  color-scheme: dark;
  --paper: #1c1915;
  --paper-2: #15130f;
  --raised: #26211b;
  --ink: #f0e9dc;
  --ink-soft: #cfc4b2;
  --ink-faint: #9a8f7e;
  --rule: #3a332a;
  --rule-strong: #4a4034;
  --accent: #e08a55;
  --accent-deep: #c45c26;
  --accent-soft: #3d2a20;
  --forest: #8fbf9e;
  --forest-soft: #243028;
  --clay: #e07a6c;
  --gold: #e0b25a;
  --sky: #8fb4c0;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.55;
  min-height: 100%;
}

body { -webkit-font-smoothing: antialiased; }

a { color: var(--accent-deep); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--accent); }

h1, h2, h3 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
h1 { font-size: 2.1rem; margin: 0 0 0.6rem; }
h2 { font-size: 1.25rem; }

.shell { min-height: 100vh; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem 1.75rem;
  border-bottom: 1px solid var(--rule);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.wordmark-mark {
  width: 1.85rem;
  height: 1.85rem;
  display: block;
  flex-shrink: 0;
}

.topbar-nav { display: flex; gap: 1.15rem; align-items: center; }
.topbar-nav a { color: var(--ink-soft); text-decoration: none; }
.topbar-nav a:hover, .topbar-nav a.is-current { color: var(--ink); }

.count-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.3rem;
  padding: 0 0.35rem;
  margin-left: 0.2rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.75rem;
  font-weight: 600;
}

.page { width: min(var(--measure), calc(100% - 2.5rem)); margin: 0 auto; padding: 2.5rem 0 5rem; }
.page-head { display: flex; justify-content: space-between; gap: 1.5rem; align-items: flex-start; margin-bottom: 2rem; }
.page-head-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.settings-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.9rem;
  margin: 0.7rem 0 0;
  max-width: 28rem;
}
.settings-jump a {
  color: var(--ink-soft);
  text-decoration: none;
}
.settings-jump a:hover { color: var(--ink); }
.settings-section { scroll-margin-top: 1.2rem; }
.settings-section + .settings-section { margin-top: 0.85rem; }

.today-hero {
  display: block;
  margin: 0 0 2.5rem;
  max-width: 32rem;
}

.today-hero h1 { margin-bottom: 0.45rem; }
.today-hero .lede { margin: 0 0 0.85rem; }
.today-stats { margin: 0; }
.today-forecast { margin: 0.15rem 0 1.25rem; }
.today-hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.today-sessions {
  margin: -0.75rem 0 2.5rem;
  max-width: 36rem;
}

.today-session-list,
.session-review-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.today-session-list li + li .today-session-row,
.session-review-list li + li .session-review-row {
  border-top: 1px solid var(--rule);
}

.today-session-row,
.session-review-row {
  display: flex;
  gap: 0.55rem;
  align-items: baseline;
  flex-wrap: nowrap;
  padding: 0.65rem 0;
  text-decoration: none;
  color: inherit;
  white-space: nowrap;
  overflow: hidden;
}

.today-session-row:hover .today-session-deck,
.session-review-row:hover .session-review-front { color: var(--accent-deep); }

.today-session-duration,
.today-session-deck,
.session-review-front { min-width: 0; }
.today-session-ratings,
.session-review-rating { color: var(--ink-soft); }
.session-review-front { flex: 1 1 10rem; overflow: hidden; text-overflow: ellipsis; }
.session-review-time {
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}

.session-reviews { max-width: 36rem; }
.session-reviews-more { margin: 0.55rem 0 0; }

.today-section { margin-top: 2.75rem; padding-top: 1.75rem; border-top: 1px solid var(--rule); }

.today-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.today-section-head h2 {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--ink-faint);
  margin: 0 0 0.55rem;
  font-weight: 600;
}

.lede { color: var(--ink-soft); font-size: 1.12rem; max-width: 36rem; }
.quiet { color: var(--ink-faint); font-size: 0.95rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--rule-strong);
  background: var(--raised);
  background-clip: padding-box;
  color: var(--ink);
  border-radius: 999px;
  padding: 0.55rem 1.05rem;
  font: inherit;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  box-shadow: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:hover { border-color: var(--ink-faint); color: var(--ink); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fffaf2; }
.btn-primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: #fffaf2; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--ink-soft); box-shadow: none; }
.btn-lg { padding: 0.8rem 1.4rem; font-size: 1.05rem; }
.btn-sm { padding: 0.35rem 0.8rem; font-size: 0.88rem; }

.kbd {
  font-size: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 6px;
  padding: 0.05rem 0.35rem;
  opacity: 0.85;
}

.flashes { width: min(var(--measure), calc(100% - 2.5rem)); margin: 1rem auto 0; }
.flash { padding: 0.75rem 1rem; border-radius: var(--radius-sm); margin: 0; }
.flash-notice { background: var(--forest-soft); color: var(--forest); }
.flash-notice a { color: inherit; font-weight: 600; }
.flash-alert { background: #f3d6cf; color: var(--clay); }

.empty-hero, .empty-block, .agent-card, .reading-card, .inbox-item, .inbox-banner, .upgrade-card {
  background: var(--raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.empty-hero { padding: 2.4rem 2.2rem 2rem; }
.empty-block { padding: 1.6rem; }
.empty-actions { display: flex; gap: 0.7rem; flex-wrap: wrap; margin: 1.4rem 0 1.8rem; }
.first-run-job {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}
.first-run-job h2 { margin: 0 0 0.45rem; font-size: 1.05rem; }
.first-run-job > p { margin: 0; color: var(--ink-soft); }
.first-run-job .quiet { color: var(--ink-faint); }
.first-run-job .stack-form { margin-top: 0.85rem; }
.first-run-job .empty-actions { margin: 0.9rem 0 0.35rem; }
.upgrade-wall .empty-actions { margin-bottom: 0; }
.upgrade-cta { margin: 0 0 1.25rem; }
.upgrade-cta p { margin: 0 0 0.65rem; color: var(--ink-soft); }
.upgrade-cta .form-actions { margin: 0; }
.upgrade-cta form { margin: 0; }
.upgrade-card {
  padding: 1.3rem 1.4rem;
  margin: 0 0 2rem;
  background: var(--accent-soft);
  border-color: var(--accent);
}
.upgrade-card h2 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.upgrade-card p { margin: 0 0 0.4rem; color: var(--ink-soft); }
.upgrade-card .quiet { margin-bottom: 0.95rem; }
.upgrade-card .form-actions { margin: 0; flex-wrap: wrap; }
.upgrade-card form { margin: 0; }
.upgrade-modal {
  width: min(28rem, calc(100% - 2rem));
  padding: 1.4rem 1.5rem 1.25rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--raised);
  color: var(--ink);
  box-shadow: var(--shadow);
}
.upgrade-modal::backdrop { background: rgba(43, 38, 31, 0.35); }
.upgrade-modal h2 { margin: 0 0 0.65rem; font-size: 1.15rem; }
.upgrade-modal p { margin: 0 0 0.4rem; }
.upgrade-modal .quiet { margin-bottom: 0.95rem; }
.upgrade-modal .form-actions { margin: 0 0 1rem; }
.upgrade-modal .form-actions form { margin: 0; }
.upgrade-modal form[method="dialog"] { margin: 0; }
.thank-you .empty-actions { margin-bottom: 0; }
.thank-you .empty-actions form { margin: 0; }

.agent-card { padding: 1.3rem 1.4rem; margin-top: 0.4rem; }
.agent-card h2 { margin-top: 0; }
.agent-card pre, pre {
  background: var(--paper-2);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  overflow: auto;
  font-size: 0.88rem;
  line-height: 1.45;
}

.inbox-banner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.2rem;
}

.inbox-banner-label {
  margin: 0 0 0.15rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.deck-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: 1rem;
}

.deck-tile {
  display: flex;
  flex-direction: column;
  background: var(--raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.2rem 1.2rem 1.3rem;
  min-height: 8.5rem;
  box-shadow: var(--shadow);
}

.deck-tile-body {
  display: block;
  flex: 1;
  text-decoration: none;
  color: inherit;
}

.deck-tile h2 { margin: 0 0 0.35rem; }
.deck-tile p, .deck-tile-meta { margin: 0; color: var(--ink-soft); }
.deck-tile-review { margin-top: 1rem; align-self: flex-start; }

.due-chip {
  display: inline-block;
  margin-top: 0.9rem;
  background: var(--accent-soft);
  color: var(--accent-deep);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
}

.stack-form { display: grid; gap: 1rem; max-width: 36rem; }
.stack-form label { display: grid; gap: 0.35rem; color: var(--ink-soft); font-size: 0.95rem; }
.stack-form .field-upload {
  display: inline-flex;
  align-items: center;
  width: auto;
  color: inherit;
}
.topbar-account { color: var(--ink-faint); font-size: 0.88rem; }
.topbar-nav form { display: inline; margin: 0; }

.device-code {
  font-size: 2rem;
  letter-spacing: 0.12em;
  font-weight: 600;
  margin: 0 0 1.4rem;
}

.stack-form input[type="text"],
.stack-form input[type="email"],
.stack-form input[type="password"],
.stack-form input[type="number"],
.stack-form textarea,
.stack-form select {
  font: inherit;
  color: var(--ink);
  background: var(--raised);
  border: 1px solid var(--rule-strong);
  border-radius: 12px;
  padding: 0.65rem 0.8rem;
  width: 100%;
}

.stack-form textarea { resize: vertical; line-height: 1.45; }
.form-actions { display: flex; gap: 0.7rem; align-items: center; }

.seat-list { list-style: none; padding: 0; margin: 0.75rem 0 1rem; display: grid; gap: 0.55rem; }
.seat-row { display: flex; justify-content: space-between; align-items: center; gap: 0.7rem; flex-wrap: wrap; }
.seat-row-invite { align-items: flex-start; }
.invite-pending { flex: 1; min-width: min(100%, 18rem); display: grid; gap: 0.45rem; }
.invite-pending label { display: grid; gap: 0.3rem; }

.token-reveal {
  background: var(--forest-soft);
  color: var(--forest);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  margin: 0.8rem 0 1rem;
}

.token-reveal p { margin: 0 0 0.6rem; }

.token-row {
  display: flex;
  gap: 0.55rem;
  align-items: center;
}

.token-secret {
  flex: 1;
  font: inherit;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88rem;
  color: var(--ink);
  background: var(--raised);
  border: 1px solid var(--rule-strong);
  border-radius: 12px;
  padding: 0.65rem 0.8rem;
  width: 100%;
}

.oauth-actions { max-width: 36rem; margin: 1.5rem 0 0; }
.oauth-actions .btn { width: 100%; max-width: 20rem; }
.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0 0 1rem;
  color: var(--ink-faint);
  font-size: 0.85rem;
}
.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  max-width: 4rem;
  height: 1px;
  background: var(--rule);
}
.form-errors { color: var(--clay); }
.choice { display: flex !important; flex-direction: row; align-items: center; gap: 0.55rem; }
.choice-row { border: 0; padding: 0; display: grid; gap: 0.4rem; }
.choice-row legend { padding: 0; color: var(--ink-soft); margin-bottom: 0.3rem; }

.switch-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "title switch"
    "hint hint";
  align-items: center;
  column-gap: 1rem;
  row-gap: 0.2rem;
  color: var(--ink);
}

.switch-title {
  grid-area: title;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 600;
}

.switch-hint {
  grid-area: hint;
  color: var(--ink-faint);
  font-size: 0.85rem;
  line-height: 1.35;
}

.switch {
  --switch-pad: 0.16rem;
  --switch-handle-w: 0.62rem;
  grid-area: switch;
  position: relative;
  flex-shrink: 0;
}

.switch-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  margin: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.switch-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-sizing: border-box;
  width: 3.75rem;
  height: 1.55rem;
  border-radius: 999px;
  background: var(--paper-2);
  border: 1px solid var(--rule-strong);
  padding: var(--switch-pad);
  padding-left: calc(var(--switch-handle-w) + var(--switch-pad) + 0.1rem);
  font-size: 0.7rem;
  font-weight: 650;
  line-height: 1;
}

.switch-handle {
  position: absolute;
  top: var(--switch-pad);
  bottom: var(--switch-pad);
  left: var(--switch-pad);
  width: var(--switch-handle-w);
  border-radius: 0.28rem;
  background: var(--ink-soft);
  transition: left 0.16s ease, background 0.16s ease;
}

.switch-off,
.switch-on {
  position: relative;
  z-index: 1;
  width: 100%;
  text-align: center;
}

.switch-off { color: var(--ink-soft); }
.switch-on { display: none; color: var(--forest); }

.switch-input:checked + .switch-pill {
  background: var(--forest-soft);
  border-color: var(--forest);
  padding-left: var(--switch-pad);
  padding-right: calc(var(--switch-handle-w) + var(--switch-pad) + 0.1rem);
}

.switch-input:checked + .switch-pill .switch-handle {
  left: calc(100% - var(--switch-pad) - var(--switch-handle-w));
  background: var(--forest);
}

.switch-input:checked + .switch-pill .switch-off { display: none; }
.switch-input:checked + .switch-pill .switch-on { display: block; }

.switch-input:focus-visible + .switch-pill {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.inbox-list, .card-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.show-more { margin: 1.25rem 0 0; display: flex; justify-content: center; }
.inbox-item { padding: 1.2rem 1.3rem; display: grid; gap: 1rem; }
.inbox-meta { color: var(--ink-faint); font-size: 0.88rem; margin: 0 0 0.4rem; }
.inbox-kicker, .cloze-face-kicker {
  color: var(--ink-faint);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 0.3rem;
}
.cloze-preview-face + .cloze-preview-face { margin-top: 0.85rem; padding-top: 0.75rem; border-top: 1px solid var(--rule); }
.inbox-front { font-size: 1.15rem; }
.inbox-back { color: var(--ink-soft); border-top: 1px solid var(--rule); margin-top: 0.8rem; padding-top: 0.8rem; }
.inbox-extra { color: var(--ink-soft); margin-top: 0.7rem; font-size: 0.95rem; }
.inbox-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.inbox-side + .inbox-side { border-top: 1px solid var(--rule); padding-top: 0.9rem; }

.card-row {
  display: flex;
  gap: 0.9rem;
  align-items: baseline;
  padding: 0.95rem 1.1rem;
  background: var(--raised);
  border: 1px solid var(--rule);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
}

.card-row-status { color: var(--ink-faint); font-size: 0.8rem; min-width: 4.5rem; text-transform: lowercase; }
.card-row-front { flex: 1; }

.tag-list { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0 0 1.2rem; }
.tag-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 0.15rem 0.65rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--raised);
  color: var(--ink-soft);
  font-size: 0.85rem;
  text-decoration: none;
}
.tag-chip:hover { border-color: var(--rule-strong); color: var(--ink); }
.tag-chip[aria-current] { background: var(--accent-soft); border-color: transparent; color: var(--accent-deep); }
.tag-chip-count { color: var(--ink-faint); font-size: 0.78rem; }
.tag-chip[aria-current] .tag-chip-count { color: inherit; }
.meta-list .tag-list { margin: 0.15rem 0 0; }

.reading-card { padding: 1.6rem 1.7rem; display: grid; gap: 1.3rem; }
.reading-card h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-faint); margin: 0 0 0.4rem; }
.meta-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.7rem 1rem; margin: 0; }
.meta-list dt { color: var(--ink-faint); font-size: 0.8rem; }
.meta-list dd { margin: 0.15rem 0 0; }

.search-form { display: flex; gap: 0.6rem; margin-bottom: 1.2rem; }
.search-form input[type="text"] {
  flex: 1;
  font: inherit;
  border: 1px solid var(--rule-strong);
  background: var(--raised);
  border-radius: 12px;
  padding: 0.6rem 0.8rem;
}

.review-body {
  min-height: 100vh;
  min-height: 100dvh;
}

.review-body .flashes { max-width: 40rem; padding: 1.15rem 1.25rem 0; margin-top: 0; box-sizing: border-box; }

.review-shell {
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.15rem 1.25rem calc(1.25rem + env(safe-area-inset-bottom, 0px));
  padding-left: max(1.25rem, env(safe-area-inset-left, 0px));
  padding-right: max(1.25rem, env(safe-area-inset-right, 0px));
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.review-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  color: var(--ink-faint);
  font-size: 0.92rem;
}

.review-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  flex-shrink: 0;
}

.review-close {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.2rem 0;
}

.undo-form { margin: 0; }

.review-undo {
  appearance: none;
  border: 0;
  background: none;
  font: inherit;
  font-size: 0.92rem;
  color: var(--ink-faint);
  cursor: pointer;
  padding: 0.2rem 0;
}

.review-undo:hover { color: var(--ink-soft); }

.read-aloud {
  position: absolute;
  top: 0.7rem;
  right: 0.75rem;
  z-index: 1;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.read-aloud-btn {
  appearance: none;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink-faint);
  font: inherit;
  font-size: 0.68rem;
  line-height: 1;
  letter-spacing: 0.01em;
  padding: 0.2rem 0.42rem;
  border-radius: 999px;
  cursor: pointer;
}

.read-aloud-btn:hover {
  color: var(--ink-soft);
  border-color: var(--rule-strong);
}

.read-aloud.is-muted .read-aloud-btn[data-read-aloud-target="mute"] {
  color: var(--ink-soft);
}

.review-done .undo-form { margin-top: 1.1rem; }
.review-done-actions { display: flex; gap: 0.7rem; flex-wrap: wrap; }
.review-done-ratings {
  color: var(--ink-soft);
  margin: 0.85rem 0 0;
}

.review-meta { text-align: right; min-width: 0; }
.review-deck, .review-progress { margin: 0; }
.review-deck {
  color: var(--ink-soft);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 16rem;
}
.review-progress { margin-top: 0.1rem; font-size: 0.85rem; }

.study-wrap-form { margin: 0; }
.reveal-form { margin: 0; display: flex; justify-content: center; }

.study-wrap {
  appearance: none;
  -webkit-appearance: none;
  color: inherit;
  text-decoration: none;
  display: block;
  width: 100%;
  border: 0;
  background: none;
  font: inherit;
  padding: 0;
  text-align: inherit;
  cursor: default;
}
button.study-wrap { cursor: pointer; }
.study-wrap:hover { color: inherit; }

.study-card {
  position: relative;
  background: var(--raised);
  border: 1px solid var(--rule);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 2.4rem 2.1rem 2.2rem;
  min-height: 16rem;
}

.study-card:has(.read-aloud) {
  padding-top: 2.15rem;
}

.study-card:has(.read-aloud) .study-face:first-of-type .study-kicker {
  padding-right: 6.5rem;
}

.study-kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--ink-faint);
  margin: 0 0 0.8rem;
  font-weight: 600;
}

.study-text { font-size: 1.45rem; line-height: 1.45; overflow-wrap: anywhere; }
.study-text p { margin: 0 0 0.7rem; }
.study-text p:last-child { margin-bottom: 0; }
.study-back { margin-top: 1.6rem; padding-top: 1.4rem; border-top: 1px solid var(--rule); }
.study-extra { margin-top: 1rem; color: var(--ink-soft); font-size: 1rem; }

.study-text img.card-img,
.study-extra img.card-img,
.inbox-front img.card-img,
.inbox-back img.card-img,
.inbox-extra img.card-img,
.reading-card img.card-img,
.field-preview img.card-img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: min(70dvh, 28rem);
  object-fit: contain;
  margin: 0.85rem 0;
  border-radius: 14px;
  background: var(--paper-2);
  box-shadow: 0 10px 28px rgba(60, 42, 20, 0.08);
}

.study-text p:has(> img.card-img:only-child) { margin-bottom: 0.4rem; }

.card-field { display: grid; gap: 0.45rem; }
.field-toolbar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}
.field-toolbar .quiet { font-size: 0.85rem; }
.field-upload { cursor: pointer; margin: 0; }
.field-error { color: var(--clay); font-size: 0.9rem; margin: 0; }
.field-preview {
  background: var(--raised);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 0.95rem 1.05rem;
}
.field-preview .study-kicker { margin-bottom: 0.45rem; }
.field-preview .study-text { font-size: 1.15rem; }

.study-guide-sheet {
  background: var(--raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem 1.3rem 1.15rem;
  margin: 0 0 1.15rem;
}
.study-guide-sheet h2 { margin: 0 0 0.75rem; font-size: 1.15rem; }
.study-guide-ratings {
  list-style: none;
  margin: 0 0 0.85rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}
.study-guide-ratings li {
  display: grid;
  grid-template-columns: 1.6rem 1fr;
  gap: 0.65rem;
  align-items: baseline;
}
.study-guide-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border: 1px solid var(--rule-strong);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
}
.study-guide-line { color: var(--ink); }
.study-guide-point {
  margin: 0 0 0.95rem;
  color: var(--ink-soft);
}
.study-guide-skip { margin: 0; }
.settings-section .study-guide-sheet { margin-top: 1.1rem; }

.reveal-btn { margin: 1.4rem auto 0; }

.ratings {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.rating-form { margin: 0; min-width: 0; display: flex; }

.rating {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--rule-strong);
  background: var(--raised);
  background-clip: padding-box;
  border-radius: 14px;
  padding: 0.85rem 0.4rem 0.75rem;
  font: inherit;
  cursor: pointer;
  display: grid;
  gap: 0.15rem;
  justify-items: center;
  width: 100%;
  min-height: 4.25rem;
  box-shadow: none;
  -webkit-tap-highlight-color: transparent;
}

.rating:active { background: var(--paper-2); }
.rating-name { font-weight: 600; }
.rating-when { color: var(--ink-faint); font-size: 0.85rem; }
.rating-key { color: var(--ink-faint); font-size: 0.75rem; }
.rating-again { color: var(--clay); }
.rating-hard { color: var(--gold); }
.rating-good { color: var(--forest); }
.rating-easy { color: var(--sky); }

.review-done {
  width: min(34rem, calc(100% - 2.5rem));
  margin: 18vh auto 0;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.www-body { background: var(--paper); }

.www-shell { min-height: 100vh; }

.www-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem 1.75rem;
}

.www-account {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.www-sign-in {
  color: var(--ink-soft);
  text-decoration: none;
}

.www-sign-in:hover { color: var(--ink); }

.www-page {
  width: min(72rem, calc(100% - 3rem));
  margin: 0 auto;
  padding: 1.5rem 0 2.5rem;
}

.www-footer {
  width: min(72rem, calc(100% - 3rem));
  margin: 0 auto;
  padding: 0 0 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.4rem;
}

.www-footer a {
  color: var(--ink-faint);
  text-decoration: none;
}

.www-footer a:hover { color: var(--ink); }

.www-footer-legal { color: var(--ink-faint); }

.www-home {
  display: grid;
  grid-template-columns: minmax(16rem, 0.85fr) minmax(20rem, 1.15fr);
  gap: 3rem 4rem;
  align-items: stretch;
  min-height: calc(100vh - 8rem);
}

.www-home-left {
  display: flex;
  flex-direction: column-reverse;
  justify-content: space-between;
  gap: 3.5rem;
  padding: 1.5rem 0 2rem;
}

.www-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.45rem;
}

.www-link { margin: 0; }

.www-link h2 {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.www-link a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.www-link a:hover { color: var(--accent); }

.www-link p {
  margin: 0.2rem 0 0;
  color: var(--ink-soft);
}

.www-hero { max-width: 28rem; }
.www-hero h1 { font-size: 1.85rem; margin-bottom: 0.7rem; }
.www-hero .lede { margin: 0; }
.www-hero .more {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
}

.www-home-right {
  display: flex;
  align-items: flex-start;
}

.www-shot { margin: 0; width: 100%; }

.www-shot-frame {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.www-shot-review.review-shell {
  min-height: 0;
  max-width: none;
  padding: 1.15rem 1.25rem 1.4rem;
}

.www-shot-review .review-close { pointer-events: none; }

.www-prose { max-width: 40rem; }
.www-prose h1 { margin-top: 0; }
.www-prose h2 { margin: 2.2rem 0 0.6rem; }
.www-prose h3 { margin: 1.6rem 0 0.45rem; font-size: 1.05rem; }
.www-prose p, .www-prose li { color: var(--ink); }
.www-prose p { margin: 0 0 1rem; }
.www-prose ul, .www-prose ol { padding-left: 1.2rem; }
.www-prose pre { margin: 1rem 0 1.4rem; }
.www-prompt { margin: 2.2rem 0 0; }
.www-prompt-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}
.www-prompt-head h2 { margin: 0; }
.www-prompts-end {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.4rem;
  margin: 2rem 0 0;
}
.www-prose code {
  font-size: 0.88em;
  background: var(--paper-2);
  border-radius: 6px;
  padding: 0.08rem 0.32rem;
}
.www-prose pre code { background: none; padding: 0; }
.www-prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2rem 0 1.6rem;
  font-size: 0.86rem;
  line-height: 1.4;
}
.www-prose th,
.www-prose td {
  border-bottom: 1px solid var(--rule);
  padding: 0.45rem 0.55rem 0.45rem 0;
  text-align: left;
  vertical-align: top;
}
.www-prose th { color: var(--ink-soft); font-weight: 600; }

.www-pricing { max-width: 52rem; }
.www-pricing-intro { max-width: 40rem; margin-bottom: 2.25rem; }
.www-pricing-intro h1 { margin-top: 0; }
.www-pricing-intro p { color: var(--ink-soft); margin: 0; }

.www-pricing-split {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: 1.75rem 2.5rem;
  align-items: start;
}

.www-pricing-picker {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.www-pricing-tab {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  text-align: left;
  font: inherit;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.9rem;
  cursor: pointer;
}

.www-pricing-tab:hover { color: var(--ink); background: var(--paper-2); }
.www-pricing-tab:has(:checked),
.www-pricing-tab.is-selected {
  color: var(--ink);
  background: var(--raised);
  border-color: var(--rule);
  box-shadow: var(--shadow);
}

.www-pricing-tab:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.www-pricing-panels { display: grid; gap: 1.25rem; }
.www-pricing-split:has([name="pricing-plan"][value="free"]:checked) #plan-paid,
.www-pricing-split:has([name="pricing-plan"][value="free"]:checked) #plan-family,
.www-pricing-split:has([name="pricing-plan"][value="paid"]:checked) #plan-free,
.www-pricing-split:has([name="pricing-plan"][value="paid"]:checked) #plan-family,
.www-pricing-split:has([name="pricing-plan"][value="family"]:checked) #plan-free,
.www-pricing-split:has([name="pricing-plan"][value="family"]:checked) #plan-paid {
  display: none;
}

.www-pricing-panel {
  background: var(--raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.6rem 1.7rem 1.8rem;
  max-width: 32rem;
}

.www-pricing-panel h2 {
  margin: 1.5rem 0 0.55rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.www-pricing-panel ul { margin: 0 0 1.15rem; padding-left: 1.15rem; }
.www-pricing-panel li { margin: 0.35rem 0; }
.www-pricing-panel p { margin: 0 0 1rem; }
.www-pricing-panel code {
  font-size: 0.88em;
  background: var(--paper-2);
  border-radius: 6px;
  padding: 0.08rem 0.32rem;
}

.www-pricing-price {
  font-size: 2.35rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 0 0.35rem;
}

.www-pricing-alt {
  color: var(--ink-soft);
  font-size: 1.12rem;
  margin: 0 0 0.85rem;
}

.www-pricing-lead { color: var(--ink-soft); }
.www-pricing-cta { margin-top: 0.4rem; }
.www-pricing-after { max-width: 40rem; margin: 2rem 0 0; color: var(--ink-soft); }
.www-pricing-after + .www-pricing-after { margin-top: 0.75rem; }

.page:has(.internal) { width: min(64rem, calc(100% - 2.5rem)); }
.internal h2 { margin: 2.2rem 0 0.6rem; }
.internal .lede { margin-top: 0.35rem; }
.internal table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.4rem 0 1.6rem;
  font-size: 0.92rem;
}
.internal th,
.internal td {
  border-bottom: 1px solid var(--rule);
  padding: 0.4rem 0.75rem 0.4rem 0;
  text-align: left;
  vertical-align: top;
}
.internal th { color: var(--ink-soft); font-weight: 600; }
.internal td.num,
.internal th.num { text-align: right; font-variant-numeric: tabular-nums; }
.internal .spark { font-family: ui-monospace, SFMono-Regular, monospace; letter-spacing: 0.08em; }

.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;
}

@media (max-width: 720px) {
  html, body { font-size: 17px; }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.9rem 1.1rem;
    gap: 0.7rem;
  }

  .topbar-nav { flex-wrap: wrap; gap: 0.55rem 1rem; }

  .page { width: min(var(--measure), calc(100% - 1.6rem)); padding: 1.5rem 0 4rem; }
  .page:has(.internal) { width: min(64rem, calc(100% - 1.6rem)); }
  .page-head, .today-section-head { flex-direction: column; align-items: flex-start; }
  .settings-jump { max-width: 100%; }
  h1 { font-size: 1.75rem; }

  .empty-hero { padding: 1.5rem 1.2rem; }
  .inbox-banner, .inbox-item { flex-direction: column; align-items: stretch; }
  .inbox-actions { width: 100%; }
  .inbox-actions .btn { flex: 1; }
  .search-form { flex-direction: column; }
  .meta-list { grid-template-columns: 1fr; }

  .review-shell { padding-top: 0.9rem; }
  .review-top { margin-bottom: 0.9rem; }
  .review-deck { max-width: 12.5rem; }

  .study-card {
    min-height: 0;
    padding: 1.35rem 1.2rem 1.25rem;
    border-radius: 16px;
  }

  .study-kicker { margin-bottom: 0.5rem; }
  .study-text { font-size: 1.2rem; }
  .study-back { margin-top: 1.1rem; padding-top: 1rem; }
  .study-text img.card-img,
  .study-extra img.card-img,
  .inbox-front img.card-img,
  .inbox-back img.card-img,
  .inbox-extra img.card-img,
  .reading-card img.card-img,
  .field-preview img.card-img {
    max-height: min(55dvh, 20rem);
    border-radius: 12px;
  }

  .reveal-btn { width: 100%; margin-top: auto; }
  .kbd { display: none; }

  .ratings {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
    margin-top: auto;
    padding-top: 1rem;
  }

  .rating {
    min-height: 3.6rem;
    padding: 0.7rem 0.4rem 0.6rem;
    border-radius: 12px;
  }

  .rating-key { display: none; }

  .review-done {
    width: min(34rem, calc(100% - 1.6rem));
    margin: 12vh auto 0;
  }

  .www-topbar { padding: 0.9rem 1.1rem; }
  .www-page { width: min(72rem, calc(100% - 1.6rem)); padding: 1rem 0 2rem; }
  .www-footer { width: min(72rem, calc(100% - 1.6rem)); padding-bottom: 2.5rem; }
  .www-home {
    grid-template-columns: 1fr;
    min-height: 0;
    gap: 2.5rem;
  }
  .www-home-left { padding: 0.4rem 0 0; gap: 2.2rem; }
  .www-hero h1 { font-size: 1.55rem; }
  .www-shot-review .rating-key { display: none; }
  .www-shot-review .ratings { margin-top: 1rem; padding-top: 0; }
  .www-pricing-split {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }
  .www-pricing-picker { flex-direction: row; }
  .www-pricing-tab { text-align: center; }
  .www-pricing-panel { max-width: none; padding: 1.3rem 1.2rem 1.45rem; }
  .www-pricing-price { font-size: 2rem; }
}