:root {
  --tarsia-ink: #17352d;
  --tarsia-green: #315f4f;
  --tarsia-green-dark: #21483c;
  --tarsia-mint: #eaf3ec;
  --tarsia-cream: #fbf7ea;
  --tarsia-gold: #efbf43;
  --tarsia-line: #cad9cf;
  --tarsia-muted: #65766f;
  --tarsia-white: #fff;
  --tarsia-shadow: 0 18px 48px rgba(30, 65, 53, .12);
}

* { box-sizing: border-box; }

body.tarsia-page {
  margin: 0;
  color: var(--tarsia-ink);
  background:
    radial-gradient(circle at 8% 3%, rgba(239, 191, 67, .16), transparent 22rem),
    linear-gradient(180deg, #f6fbf7 0, #f8f5ea 42rem, #fff 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }

.tarsia-wrap {
  width: min(1480px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 72px;
}

.tarsia-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 44px;
  align-items: center;
  min-height: 310px;
  margin-bottom: 30px;
  padding: 42px clamp(28px, 5vw, 72px);
  overflow: hidden;
  color: #fff;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.06), transparent 42%),
    var(--tarsia-green);
  box-shadow: var(--tarsia-shadow);
}

.tarsia-hero-copy { max-width: 830px; }
.back-link { display: inline-flex; margin-bottom: 22px; color: #fff; font-weight: 750; text-decoration: none; }
.back-link:hover { text-decoration: underline; }
.eyebrow { margin: 0 0 7px; color: #4f7466; font-size: .76rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.tarsia-hero .eyebrow { color: #d9eadf; }
.tarsia-hero h1 { margin: 0; font-size: clamp(2.25rem, 4.3vw, 4.65rem); line-height: .98; letter-spacing: -.045em; }
.tarsia-hero-copy > p:not(.eyebrow) { max-width: 760px; margin: 22px 0 0; color: #edf6f0; font-size: 1.08rem; line-height: 1.7; }

.hero-points { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.hero-points span { padding: 8px 12px; border: 1px solid rgba(255,255,255,.3); border-radius: 999px; color: #fff; font-size: .84rem; font-weight: 760; }

.hero-puzzle { color: #17352d; transform: rotate(2deg); }
.hero-puzzle svg { display: block; width: 100%; filter: drop-shadow(0 18px 24px rgba(0,0,0,.18)); }
.hero-puzzle text { font-weight: 800; font-size: 16px; }

.tarsia-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr); gap: 28px; align-items: start; }
.builder { display: grid; gap: 22px; }
.panel, .preview-panel { border: 1px solid rgba(49, 95, 79, .15); border-radius: 24px; background: rgba(255,255,255,.93); box-shadow: 0 12px 34px rgba(31,65,53,.08); }
.panel { padding: clamp(22px, 3vw, 34px); }

.panel-heading, .preview-heading, .review-heading, .emoji-picker-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}
.panel-heading { margin-bottom: 22px; }
.panel h2, .preview-panel h2, .emoji-picker h2 { margin: 0; font-size: clamp(1.35rem, 2vw, 1.9rem); letter-spacing: -.025em; }
.panel h3 { margin: 0; font-size: 1.12rem; }
.step-number { display: grid; place-items: center; float: left; width: 34px; height: 34px; margin: 0 13px 12px 0; border-radius: 50%; color: var(--tarsia-green-dark); background: var(--tarsia-gold); font-weight: 900; }

.form-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 16px; }
label { color: #39564c; font-size: .83rem; font-weight: 800; }
input, select, textarea {
  width: 100%;
  margin-top: 7px;
  border: 1px solid #b9cbc0;
  border-radius: 11px;
  color: #183b30;
  background: #fff;
  outline: none;
}
input, select { min-height: 46px; padding: 10px 12px; }
textarea { padding: 13px 14px; line-height: 1.55; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--tarsia-green); box-shadow: 0 0 0 3px rgba(49,95,79,.14); }

.mode-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 20px; padding: 6px; border-radius: 14px; background: #edf3ee; }
.mode-switch button, .preview-tabs button { border: 0; border-radius: 10px; color: #526a61; background: transparent; font-weight: 850; }
.mode-switch button { padding: 12px; }
.mode-switch button.active, .preview-tabs button.active { color: #fff; background: var(--tarsia-green); box-shadow: 0 5px 14px rgba(33,72,60,.2); }

.pair-count, .ready-pill { flex: 0 0 auto; padding: 7px 11px; border-radius: 999px; color: var(--tarsia-green-dark); background: #e1f0e5; font-size: .8rem; font-weight: 850; }
.pair-count.incomplete { color: #7d4f0a; background: #fff0c8; }

.word-library-toggle { display: flex; align-items: center; gap: 12px; width: 100%; min-height: 58px; margin: 0 0 18px; padding: 11px 14px; border: 1px solid #b9cbc0; border-radius: 14px; color: var(--tarsia-green-dark); background: #f5faf6; text-align: left; box-shadow: 0 5px 14px rgba(33,72,60,.06); }
.word-library-toggle:hover { border-color: var(--tarsia-green); background: var(--tarsia-mint); }
.word-library-toggle-icon { display: grid; place-items: center; flex: 0 0 auto; width: 34px; height: 34px; border-radius: 10px; background: #fff; font-size: 1.15rem; }
.word-library-toggle-copy { display: grid; gap: 2px; min-width: 0; }
.word-library-toggle-copy small { color: #60786f; font-size: .67rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.word-library-toggle-copy strong { font-size: .91rem; line-height: 1.25; }
.word-library-toggle-arrow { margin-left: auto; color: #6b8178; font-size: 1.3rem; transition: transform .18s ease; }
.word-library-toggle[aria-expanded="true"] .word-library-toggle-arrow { transform: rotate(180deg); }

.word-library-panel[hidden] { display: none; }
.word-library-panel { margin: 0 0 20px; padding: 20px; border: 2px solid #d5e2d2; border-radius: 17px; background: linear-gradient(135deg, #fffef9, #f1f7ed); }
.word-library-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.word-library-heading h3 { font-size: 1.18rem; }
.word-library-heading p:not(.eyebrow) { max-width: 590px; margin: 6px 0 0; color: var(--tarsia-muted); font-size: .84rem; line-height: 1.5; }
.word-list-status { min-height: 20px; margin: 15px 0 10px; color: #607269; font-size: .81rem; font-weight: 750; }
.word-list-choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(155px, 1fr)); gap: 9px; }
.word-list-choice { display: flex; align-items: center; gap: 9px; min-height: 48px; padding: 9px 11px; border: 1px solid #cad9c5; border-radius: 11px; color: #253e35; background: #fff; text-align: left; box-shadow: none; font-size: .83rem; font-weight: 800; line-height: 1.25; }
.word-list-choice:hover { border-color: var(--tarsia-gold); background: #fff9e8; }
.word-list-choice[aria-pressed="true"] { border-color: var(--tarsia-green); color: #fff; background: var(--tarsia-green); }
.word-list-choice-icon { flex: 0 0 auto; font-size: 1.12rem; }
.word-list-choice-copy { min-width: 0; }
.word-list-choice-copy small { display: block; margin-top: 2px; color: #74877f; font-size: .67rem; font-weight: 700; }
.word-list-choice[aria-pressed="true"] small { color: #e1eee5; }
.word-list-empty { grid-column: 1 / -1; margin: 0; color: var(--tarsia-muted); font-size: .82rem; }
.word-list-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 15px; }
.word-list-actions span { color: var(--tarsia-muted); font-size: .79rem; font-weight: 700; }

.library-box { display: grid; grid-template-columns: minmax(220px, .78fr) minmax(300px, 1.22fr); gap: 14px 20px; align-items: end; margin: 20px 0; padding: 18px; border: 1px solid #d5e2d9; border-radius: 16px; background: var(--tarsia-mint); }
.library-actions { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.library-actions select { margin: 0; }
.library-link { flex: 0 0 auto; display: inline-flex; padding: 8px 11px; border: 1px solid var(--tarsia-green-dark); border-radius: 9px; color: var(--tarsia-green-dark); background: #fff; font-size: .76rem; font-weight: 850; text-decoration: none; }
.library-link:hover { background: #fff8e3; }
.status-copy { grid-column: 1 / -1; margin: 0; color: var(--tarsia-muted); font-size: .81rem; }

.bulk-label { display: grid; gap: 4px; }
.bulk-label > span:nth-child(2) { color: var(--tarsia-muted); font-size: .78rem; font-weight: 600; }
.inline-action { margin-top: 11px; }

.side-choice { margin: 24px 0 0; padding: 18px; border: 1px solid #c7d9cd; border-radius: 16px; background: #f6faf7; }
.side-choice legend { padding: 0 7px; color: var(--tarsia-green-dark); font-size: .9rem; font-weight: 900; }
.side-options { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.side-option { position: relative; display: block; cursor: pointer; }
.side-option input { position: absolute; width: 1px; min-height: 0; height: 1px; margin: -1px; padding: 0; overflow: hidden; border: 0; opacity: 0; }
.side-option span { display: grid; place-items: center; min-height: 44px; padding: 9px 10px; border: 1px solid #b9cbc0; border-radius: 11px; color: #45645a; background: #fff; font-size: .84rem; font-weight: 850; transition: .16s ease; }
.side-option input:checked + span { border-color: var(--tarsia-green); color: #fff; background: var(--tarsia-green); box-shadow: 0 6px 14px rgba(33,72,60,.16); }
.side-option input:focus-visible + span { outline: 3px solid rgba(49,95,79,.2); outline-offset: 2px; }
.side-choice p { margin: 11px 0 0; color: var(--tarsia-muted); font-size: .78rem; line-height: 1.45; }
.side-choice p strong { color: var(--tarsia-green-dark); }
.side-choice.needs-choice { border-color: #dfaa38; background: #fffaf0; }

.btn-primary, .btn-secondary, .text-button {
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 11px;
  font-weight: 850;
}
.btn-primary { border: 1px solid var(--tarsia-green); color: #fff; background: var(--tarsia-green); box-shadow: 0 8px 18px rgba(33,72,60,.18); }
.btn-primary:hover { background: var(--tarsia-green-dark); }
.btn-secondary { border: 1px solid #9eb5a7; color: var(--tarsia-green-dark); background: #fff; }
.btn-secondary:hover { background: #f1f6f2; }
.text-button { border: 0; color: var(--tarsia-green); background: transparent; }
.text-button:hover { text-decoration: underline; }

.review-heading { align-items: end; margin: 26px 0 12px; padding-top: 22px; border-top: 1px solid #dce5df; }
.pair-editor { display: grid; gap: 8px; max-height: 560px; overflow: auto; padding-right: 4px; }
.pair-row { display: grid; grid-template-columns: 34px minmax(0, 1fr) 26px minmax(0, 1fr); gap: 8px; align-items: center; padding: 9px; border: 1px solid #d8e3dc; border-radius: 13px; background: #fcfdfc; }
.pair-index { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; color: #fff; background: var(--tarsia-green); font-size: .75rem; font-weight: 900; }
.pair-arrow { color: #82968d; text-align: center; font-weight: 900; }
.pair-row input { min-height: 40px; margin: 0; padding: 8px 10px; }
.emoji-choice { display: flex; align-items: center; justify-content: space-between; min-height: 42px; padding: 5px 11px; border: 1px solid #b9cbc0; border-radius: 10px; color: #274a3e; background: #fff; font-weight: 800; }
.emoji-choice .emoji-preview { display: grid; place-items: center; width: 30px; height: 30px; font-size: 1.45rem; }
.emoji-choice .change-label { color: #678177; font-size: .76rem; }
img.twemoji { width: 1em; height: 1em; vertical-align: -.12em; }
.emoji-choice img.twemoji { width: 27px; height: 27px; }

.validation-message { min-height: 20px; margin: 12px 0 0; color: #795817; font-size: .84rem; font-weight: 700; }
.validation-message.error { color: #a32929; }
.validation-message.success { color: #2d6b4c; }

.generate-panel { display: flex; justify-content: space-between; gap: 28px; align-items: center; }
.generate-panel > div:first-child { max-width: 650px; }
.generate-panel p:last-child { margin: 8px 0 0; color: var(--tarsia-muted); line-height: 1.55; }
.generate-actions { display: grid; gap: 8px; min-width: 180px; }

.preview-panel { position: sticky; top: 18px; padding: 24px; }
.preview-heading { margin-bottom: 16px; }
.preview-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 15px; padding: 5px; border-radius: 12px; background: #edf3ee; }
.preview-tabs button { padding: 10px; }
.page-preview { overflow: hidden; border: 1px solid #c6cfc9; border-radius: 8px; background: #fff; box-shadow: 0 13px 28px rgba(25,55,45,.12); aspect-ratio: 8.5 / 11; }
.page-preview svg { display: block; width: 100%; height: 100%; }
.preview-note, .export-note { color: var(--tarsia-muted); font-size: .8rem; line-height: 1.45; }
.preview-note { margin: 13px 0; }
.download-actions { display: grid; grid-template-columns: 1.25fr 1fr .8fr; gap: 8px; }
.download-actions button { padding-inline: 10px; }
.export-note { margin: 10px 0 0; }

.emoji-picker[hidden] { display: none; }
.emoji-picker { position: fixed; z-index: 1000; inset: 0; display: grid; place-items: center; padding: 22px; background: rgba(11,32,25,.64); }
.emoji-picker-card { width: min(660px, 100%); max-height: min(760px, calc(100vh - 44px)); overflow: auto; padding: 26px; border-radius: 22px; background: #fff; box-shadow: 0 28px 80px rgba(0,0,0,.28); }
.picker-close { width: 40px; height: 40px; border: 0; border-radius: 50%; color: var(--tarsia-green-dark); background: #eaf2ec; font-size: 1.6rem; }
.emoji-picker label { display: block; margin-top: 18px; }
.emoji-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 7px; margin-top: 14px; }
.emoji-grid button { display: grid; place-items: center; aspect-ratio: 1; border: 1px solid #d5dfd8; border-radius: 11px; background: #fff; font-size: 1.6rem; }
@media (hover: hover) and (pointer: fine) {
  .emoji-grid button:hover, .emoji-grid button:focus { border-color: var(--tarsia-green); background: #edf5ef; transform: translateY(-1px); }
}
.emoji-grid img.twemoji { width: 29px; height: 29px; }
.custom-emoji > span { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.twemoji-credit { color: #788a82; font-size: .75rem; }

.toast { position: fixed; z-index: 1200; right: 22px; bottom: 22px; max-width: min(390px, calc(100% - 44px)); padding: 13px 16px; border-radius: 12px; color: #fff; background: #183d32; box-shadow: 0 14px 36px rgba(0,0,0,.22); opacity: 0; transform: translateY(14px); pointer-events: none; transition: .2s ease; }
.toast.show { opacity: 1; transform: translateY(0); }
.print-pages { display: none; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 1120px) {
  .tarsia-grid { grid-template-columns: 1fr; }
  .preview-panel { position: static; }
  .page-preview { width: min(660px, 100%); margin: 0 auto; }
}

@media (max-width: 760px) {
  .tarsia-wrap { width: min(100% - 20px, 1480px); padding-top: 12px; }
  .tarsia-hero { grid-template-columns: 1fr; min-height: 0; padding: 30px 24px; border-radius: 20px; }
  .hero-puzzle { display: none; }
  .form-grid, .library-box { grid-template-columns: 1fr; }
  .library-actions { grid-template-columns: 1fr; }
  .side-options { grid-template-columns: 1fr 1fr; }
  .word-library-heading { flex-direction: column; }
  .word-list-choices { grid-template-columns: 1fr 1fr; }
  .word-list-actions { align-items: stretch; flex-direction: column; }
  .word-list-actions .btn-primary { width: 100%; }
  .pair-row { grid-template-columns: 30px minmax(0,1fr); }
  .pair-arrow { display: none; }
  .pair-row > :last-child { grid-column: 2; }
  .generate-panel { align-items: stretch; flex-direction: column; }
  .generate-actions { min-width: 0; }
  .download-actions { grid-template-columns: 1fr; }
  .emoji-grid { grid-template-columns: repeat(6, 1fr); }
}

@media print {
  @page { size: letter portrait; margin: 0; }
  body * { visibility: hidden !important; }
  html, body { margin: 0 !important; padding: 0 !important; background: #fff !important; }
  #printPages, #printPages * { visibility: visible !important; }
  #printPages { position: absolute; inset: 0; display: block !important; }
  #printPages .print-page { width: 8.5in; height: 11in; margin: 0; break-after: page; page-break-after: always; overflow: hidden; }
  #printPages .print-page:last-child { break-after: auto; page-break-after: auto; }
  #printPages svg { display: block; width: 100%; height: 100%; }
}