/* kelybu teacher shell — dark ground so illustrations keep force. */

:root {
  color-scheme: light;
  accent-color: #e45448;
  --cream: #ffffff;
  --paper: #ffffff;
  --paper-2: #f3f0fa;
  --ink: #16151c;
  --text: #3a3944;
  --muted: #6d6a78;
  --coral: #e45448;
  --coral-deep: #c93d34;
  --lilac: #6e5cbc;
  --lilac-wash: #ece7f8;
  --coral-wash: #fde8e5;
  --line: rgba(22, 21, 28, 0.1);
  --ok: #2f6a48;
  --err: #b42318;
  --shadow: 0 16px 40px rgba(22, 21, 28, 0.08);
  --shadow-sm: 0 6px 18px rgba(22, 21, 28, 0.06);
  --radius: 20px;
  --radius-sm: 16px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --focus: 3px solid var(--coral);
  --pad: clamp(1rem, 3.2vw, 1.75rem);
}

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

html {
  background: #ffffff;
  color: var(--text);
  font-family: var(--font);
  line-height: 1.45;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background-color: #ffffff;
  color: var(--text);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--ink);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--coral-deep);
}

:focus {
  outline: none;
}

:focus-visible {
  outline: var(--focus);
  outline-offset: 3px;
}

.empty-art {
  margin: 0 0 0.85rem;
  max-width: 28rem;
}
.empty-art img {
  display: block;
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 100;
  padding: 0.55rem 0.9rem;
  background: var(--ink);
  color: #fff;
  border-radius: 12px;
  text-decoration: none;
  min-height: 44px;
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 12px;
  outline-offset: 2px;
}

.pilot {
  margin: 0;
  padding: 0.55rem var(--pad);
  padding-top: max(0.55rem, env(safe-area-inset-top));
  background: var(--mist, #f3f0fa);
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.app-chrome {
  position: sticky;
  top: 0;
  z-index: 32;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: 0.75rem;
  padding: max(0.7rem, env(safe-area-inset-top, 0px)) var(--pad) 0.7rem;
  background: #fff;
  position: relative;
  z-index: 33;
}
@media (min-width: 861px) {
  .app-chrome {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-right: var(--pad);
  }
  .site-header { flex: 1; border: 0; }
}

.brand {
  display: flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
  flex: 0 1 auto;
}

.brand img {
  display: block;
  height: 50px;
  width: auto;
}
@media (min-width: 880px) {
  .brand img { height: 56px; }
}
.nav-toggle {
  display: none;
  appearance: none;
  border: 1.5px solid var(--line);
  background: #fff;
  min-height: 44px;
  min-width: 44px;
  padding: 0 0.85rem;
  border-radius: 12px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  z-index: 31;
  position: relative;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 0.5rem 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .header-tools {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 6px;
    padding: calc(4.75rem + env(safe-area-inset-top, 0px)) 1.25rem 2rem;
    background: #fff;
    z-index: 29;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate3d(0, -12px, 0);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  }
  .header-tools.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }
  .header-tools a, .header-tools .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }
  body.nav-open { overflow: hidden; }
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.55rem;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--ink);
  border-radius: 12px;
}

.nav-link[aria-current="page"] {
  color: var(--coral-deep);
}

.credits {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  padding: 0 0.7rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--muted);
}

.credits-value {
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.lang-toggle {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper-2);
  color: var(--ink);
  font: inherit;
  font-weight: 650;
  font-size: 0.85rem;
  min-height: 44px;
  min-width: 44px;
  padding: 0 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  touch-action: manipulation;
}

@media (hover: hover) {
  .lang-toggle:hover {
    border-color: var(--coral);
  }
}

main {
  flex: 1 0 auto;
  width: min(100%, 44rem);
  margin: 0 auto;
  padding: 1.25rem var(--pad) 2.5rem;
}

.page-lead {
  margin: 0.35rem 0 1.25rem;
  color: var(--muted);
  font-size: 1.02rem;
}

h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.55rem, 4.6vw, 2rem);
  font-weight: 720;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h2 {
  margin: 0 0 0.65rem;
  color: var(--ink);
  font-size: 1.12rem;
  font-weight: 700;
}

.doors {
  display: grid;
  gap: 0.85rem;
  margin: 0 0 1.35rem;
}

@media (min-width: 640px) {
  .doors {
    grid-template-columns: 1fr 1fr;
  }
}

.door {
  appearance: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.28rem;
  width: 100%;
  min-height: 8.5rem;
  padding: 1.15rem 1.2rem;
  text-align: left;
  font: inherit;
  color: var(--ink);
  background: var(--paper-2);
  border: 2px solid transparent;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: pointer;
  touch-action: manipulation;
}

.door[aria-selected="true"] {
  border-color: var(--coral);
  background: linear-gradient(180deg, var(--paper-2), var(--coral-wash));
}

.door-kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--coral-deep);
}

.door-title {
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.door-desc {
  color: var(--muted);
  font-size: 0.95rem;
}

.panel[hidden] {
  display: none;
}

.stack {
  display: grid;
  gap: 1rem;
}

.card,
.pack,
.recent {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

body[data-page="catalog"] main,
body[data-page="catalog"] .footer-inner {
  width: min(100% - 2rem, 1180px);
  margin-left: auto;
  margin-right: auto;
}
body[data-page="catalog"] main {
  padding-top: 1.5rem;
}

.step {
  padding: 1rem 1.05rem 1.1rem;
}

.step legend {
  padding: 0;
  color: var(--ink);
  font-weight: 720;
  font-size: 1.02rem;
}

.step-index {
  display: inline-block;
  margin-right: 0.35rem;
  color: var(--coral-deep);
  font-weight: 750;
}

.choices {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.7rem;
}

.chip {
  position: relative;
  display: block;
  margin: 0;
  cursor: pointer;
}

.chip input {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  inset: 0;
  opacity: 0;
  margin: 0;
}

.chip span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
}

.chip input:checked + span {
  border-color: var(--coral);
  background: var(--coral-wash);
}

.chip input:focus-visible + span {
  outline: var(--focus);
  outline-offset: 2px;
}

.qualities {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.75rem;
}

@media (min-width: 720px) {
  .qualities {
    grid-template-columns: repeat(2, 1fr);
  }
}

label.quality {
  position: relative;
  display: block;
  margin: 0;
  cursor: pointer;
}

label.quality input {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  inset: 0;
  opacity: 0;
  margin: 0;
}

.quality-ui {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-height: 7.2rem;
  padding: 0.9rem 0.95rem;
  border-radius: var(--radius-sm);
  border: 2px solid var(--line);
  background: var(--paper);
}

label.quality input:checked + .quality-ui {
  border-color: var(--coral);
  background: var(--coral-wash);
}

label.quality input:focus-visible + .quality-ui {
  outline: var(--focus);
  outline-offset: 2px;
}

.quality-name {
  font-weight: 750;
  color: var(--ink);
  font-size: 1.05rem;
}

.quality-credits {
  font-size: 0.85rem;
  font-weight: 650;
  color: var(--coral-deep);
}

.quality-meta {
  color: var(--muted);
  font-size: 0.88rem;
}
.quality-size {
  font-weight: 650;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  font-size: 0.92rem;
}

.formats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(5.6rem, 1fr));
  gap: 0.65rem;
  margin-top: 0.75rem;
}
label.format {
  position: relative;
  display: block;
  margin: 0;
  cursor: pointer;
}
label.format input {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  inset: 0;
  opacity: 0;
  margin: 0;
}
.format-ui {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  min-height: 8.4rem;
  padding: 0.7rem 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 2px solid var(--line);
  background: var(--paper);
}
label.format input:checked + .format-ui {
  border-color: var(--coral);
  background: var(--coral-wash);
}
label.format input:focus-visible + .format-ui {
  outline: var(--focus);
  outline-offset: 2px;
}
.format-preview {
  --stage: 3.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--stage);
  height: var(--stage);
  flex-shrink: 0;
}
.format-box {
  --stage: 3.75rem;
  --aw: 1;
  --ah: 1;
  box-sizing: border-box;
  display: block;
  width: 62%;
  height: 62%;
  width: calc(var(--stage) * var(--aw) / max(var(--aw), var(--ah)));
  height: calc(var(--stage) * var(--ah) / max(var(--aw), var(--ah)));
  min-width: 10px;
  min-height: 10px;
  background: #fff;
  border: 1.5px solid var(--ink);
  border-radius: 3px;
}
.format-box[data-ar="1:1"] { --aw: 1; --ah: 1; }
.format-box[data-ar="16:9"] { --aw: 16; --ah: 9; }
.format-box[data-ar="9:16"] { --aw: 9; --ah: 16; }
.format-box[data-ar="4:3"] { --aw: 4; --ah: 3; }
.format-box[data-ar="3:4"] { --aw: 3; --ah: 4; }
.format-box[data-ar="3:2"] { --aw: 3; --ah: 2; }
.format-box[data-ar="2:3"] { --aw: 2; --ah: 3; }
.format-box[data-ar="2:1"] { --aw: 2; --ah: 1; }
.format-box[data-ar="1:2"] { --aw: 1; --ah: 2; }
.format-box[data-ar="19.5:9"] { --aw: 19.5; --ah: 9; }
.format-box[data-ar="9:19.5"] { --aw: 9; --ah: 19.5; }
.format-box[data-ar="20:9"] { --aw: 20; --ah: 9; }
.format-box[data-ar="9:20"] { --aw: 9; --ah: 20; }
.format-box[data-ar="21:9"] { --aw: 21; --ah: 9; }
.format-box[data-ar="5:2"] { --aw: 5; --ah: 2; }
.format-name {
  font-weight: 750;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  font-size: 0.88rem;
  white-space: nowrap;
}
.format-meta {
  color: var(--muted);
  font-size: 0.75rem;
  text-align: center;
}

.lang-picks {
  margin-top: 0.75rem;
}

button.lang-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}

button.lang-chip.is-on {
  border-color: var(--coral);
  background: var(--coral-wash);
  font-weight: 750;
}

button.lang-chip:focus-visible {
  outline: var(--focus);
  outline-offset: 2px;
}

.lang-more {
  display: grid;
  gap: 0.4rem;
  margin-top: 1rem;
  max-width: 28rem;
  color: var(--ink);
  font-weight: 650;
}

.lang-more select {
  width: 100%;
  min-height: 48px;
  border: 1.5px solid var(--line);
  border-radius: 16px;
  padding: 0.65rem 0.85rem;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  background: #fff;
}

.lang-more select:focus-visible {
  outline: var(--focus);
  outline-offset: 2px;
  border-color: var(--coral);
}

.step-note {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.size-live {
  margin: 0.85rem 0 0;
  color: var(--ink);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
}

.hint {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

label.field {
  display: grid;
  gap: 0.4rem;
  color: var(--ink);
  font-weight: 650;
}

.prompt,
input,
select,
textarea {
  font-size: 16px;
}

.prompt {
  width: 100%;
  min-height: 9.5rem;
  resize: vertical;
  padding: 0.85rem 0.95rem;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  line-height: 1.45;
}

.prompt:focus-visible {
  border-color: var(--coral);
}

.char-count {
  margin: 0.35rem 0 0;
  text-align: right;
  font-size: 0.8rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.filters-title {
  margin: 0.4rem 0 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  min-width: 44px;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  touch-action: manipulation;
}

.btn-primary {
  background: var(--coral);
  color: #fff;
}

.btn-primary:hover {
  color: #fff;
  background: var(--coral-deep);
}

.btn-ghost {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--line);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.25rem;
}

.actions .btn-primary {
  width: 100%;
}

@media (min-width: 520px) {
  .actions .btn-primary {
    width: auto;
    min-width: 12rem;
  }
}

.alert {
  margin: 0;
  padding: 0.8rem 0.95rem;
  border-radius: var(--radius-sm);
  background: rgba(240, 163, 156, 0.16);
  color: var(--err);
  font-weight: 650;
  border: 1px solid rgba(138, 59, 54, 0.18);
}

.alert[hidden] {
  display: none;
}

.recent {
  margin-top: 1.75rem;
  padding: 1.1rem 1.15rem 1.2rem;
}

.recent .empty {
  margin: 0;
  color: var(--muted);
}

.catalog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 0 0 2.5rem;
}
@media (min-width: 520px) {
  .catalog-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

.shot {
  position: relative;
  display: block;
  height: 0;
  padding-bottom: 100%;
  text-decoration: none;
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
@supports (aspect-ratio: 1 / 1) {
  .shot {
    height: auto;
    padding-bottom: 0;
    aspect-ratio: 1 / 1;
  }
}
.shot img {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: ken 16s ease-in-out infinite alternate;
}
@keyframes ken {
  from { transform: scale(1); }
  to { transform: scale(1.06); }
}
@media (prefers-reduced-motion: reduce) {
  .shot img { animation: none; }
}
.shot-sell {
  position: absolute;
  right: 10px;
  bottom: 10px;
  min-height: 40px;
  padding: 0 0.9rem;
  border-radius: 999px;
  background: var(--coral);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.pack {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1rem 1.05rem 1.1rem;
}

.pack h2 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.3;
}

.pack p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  flex: 1 1 auto;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--lilac-wash);
  color: var(--ink);
}

.badge-grade {
  background: var(--coral-wash);
}

.badge-best {
  background: var(--paper);
  border: 1px solid var(--line);
  letter-spacing: 0.02em;
  text-transform: none;
  font-weight: 650;
}

.pack .btn {
  margin-top: 0.35rem;
  width: 100%;
}

.site-footer {
  margin-top: auto;
  padding: 1.25rem var(--pad) calc(1.4rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-inner {
  width: min(100%, 44rem);
  margin: 0 auto;
  display: grid;
  gap: 0.55rem;
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
}

.legal-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}

.legal-nav a:hover {
  text-decoration: underline;
}

.hq {
  margin: 0;
}

dialog {
  width: min(calc(100% - 2rem), 26rem);
  border: 0;
  padding: 1.35rem 1.3rem 1.25rem;
  border-radius: 24px;
  background: var(--paper-2);
  color: var(--ink);
  box-shadow: var(--shadow);
}

dialog::backdrop {
  background: rgba(58, 58, 68, 0.42);
}

dialog h2 {
  font-size: 1.25rem;
}

dialog p {
  margin: 0.45rem 0 1rem;
  color: var(--text);
}

.dialog-actions {
  display: grid;
  gap: 0.5rem;
}

.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: 520px) {
  .formats { grid-template-columns: repeat(3, 1fr); }
  .format-ui { min-height: 7.2rem; padding: 0.5rem 0.25rem; }
  .format-name { font-size: 0.78rem; }
  dialog { width: calc(100% - 1.25rem); margin: auto; }
}

@media (pointer: coarse) and (min-width: 1000px) and (max-height: 1200px) {
  body { font-size: 18px; }
  main, .footer-inner { width: min(100%, 76rem); }
  .brand img { height: 52px; }
  .nav-link, .btn, button.lang-chip, .chip span { min-height: 52px; font-size: 1.05rem; }
  .prompt, input, select, textarea { font-size: 18px; }
  .format-ui { min-height: 9rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}