/* =============================================================
   Lloyd's Scriptorium - the writing desk
   Sections: 0 tokens, 1 desk, 2 toolbar and tabs, 3 input, 4 sheet,
   5 tab panels (square, cipher, sigil), 6 export row, 7 sealed letter,
   8 page copy, 9 responsive, 10 reduced motion
   ============================================================= */

/* ---- 0. tokens -------------------------------------------------- */
:root {
    --sc-ink: #1A1412;
    --sc-ink-wet: #3b2a1e;
    --sc-vermilion: #A62B2B;
    --sc-gold: #b08a3c;
    --sc-parch: #e6d3a8;
    --sc-parch-dark: #c9b283;
    --sc-wood: #3a2415;
    --sc-wood-light: #5a3a22;
    --sc-wax: #7a1515;
    --sc-font-book: 'IM Fell English', 'EB Garamond', Georgia, serif;
    --sc-font-text: 'EB Garamond', Georgia, serif;
}

/* hidden always wins over the flex/grid display of the fields */
.sc-desk [hidden] { display: none !important; }

/* ---- 1. desk ------------------------------------------------------ */
.sc-desk {
    position: relative;
    margin: 1.2rem 0 2rem;
    padding: 18px 18px 22px;
    background:
        radial-gradient(ellipse at 18% 0%, rgba(255, 196, 110, 0.22), transparent 55%),
        linear-gradient(180deg, #2a1810 0%, #1c0f0a 100%);
    border: 1px solid #5a3a22;
    box-shadow: 0 0 0 1px rgba(255, 180, 90, 0.08), 0 30px 60px rgba(0, 0, 0, 0.6), inset 0 0 120px rgba(0, 0, 0, 0.6);
    clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
    color: #e9dcc2;
    font-family: var(--sc-font-text);
}
.sc-desk::before {
    /* wood grain */
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.55;
    background-image: var(--sc-wood-grain, none);
    background-size: 1024px 1024px;
    mix-blend-mode: multiply;
}
.sc-desk > * { position: relative; }

.sc-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #d9b36a;
    padding: 0 0.2rem 0.6rem;
    border-bottom: 1px solid rgba(217, 179, 106, 0.3);
}
.sc-head .sc-folio { color: #8f7a52; }

/* ---- 2. tabs and toolbar ---------------------------------------- */
.sc-tabs {
    display: flex;
    gap: 0.4rem;
    margin: 0.9rem 0 0.2rem;
    flex-wrap: wrap;
}
.sc-tab {
    font-family: var(--sc-font-book);
    font-size: 1.05rem;
    letter-spacing: 1px;
    color: #cdb98e;
    background: linear-gradient(180deg, #5a3a22, #3d2515);
    border: 1px solid #7a5230;
    padding: 0.45rem 1.1rem 0.4rem;
    cursor: pointer;
    position: relative;
    box-shadow: inset 0 1px 0 rgba(255, 220, 160, 0.15), 0 3px 0 #22140b;
}
.sc-tab:hover { color: #fff1d6; }
.sc-tab[aria-selected="true"] {
    color: #2a1810;
    background: linear-gradient(180deg, #e8d5aa, #cdb283);
    border-color: #e8d5aa;
    box-shadow: 0 3px 0 #8d7247;
}
.sc-tab:focus-visible { outline: 2px solid var(--crt-amber); outline-offset: 2px; }

.sc-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 0.8rem 1.2rem;
    margin: 0.9rem 0 0.6rem;
}
.sc-field { display: flex; flex-direction: column; gap: 0.25rem; min-width: 0; }
.sc-field > span {
    font-family: var(--font-mono);
    font-size: 0.64rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #b89866;
}
.sc-field input[type="text"],
.sc-field select,
.sc-field textarea {
    font-family: var(--sc-font-text);
    font-size: 1.12rem;
    color: #2a1810;
    background: linear-gradient(180deg, #efe1be, #e2cf9f);
    border: 1px solid #8d7247;
    padding: 0.45rem 0.6rem;
    min-height: 42px;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.18);
}
.sc-field textarea { resize: vertical; min-height: 64px; line-height: 1.35; }
.sc-field input:focus-visible, .sc-field select:focus-visible, .sc-field textarea:focus-visible { outline: 2px solid var(--crt-amber); outline-offset: 1px; }
.sc-field--grow { flex: 1 1 320px; }
.sc-field--inline { flex-direction: row; align-items: center; gap: 0.5rem; }
.sc-field--inline input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--sc-vermilion); }
.sc-field input[type="range"] { accent-color: var(--sc-vermilion); min-width: 140px; }
.sc-field input[type="number"] { font-family: var(--sc-font-text); font-size: 1.05rem; width: 5.5rem; color: #2a1810; background: #e9d8b0; border: 1px solid #8d7247; padding: 0.35rem 0.5rem; min-height: 42px; }

.sc-btn {
    font-family: var(--sc-font-book);
    font-size: 1rem;
    letter-spacing: 1px;
    color: #f3e6c8;
    background: linear-gradient(180deg, #8a2a22, #5c1711);
    border: 1px solid #b8463a;
    padding: 0.5rem 1.1rem;
    min-height: 42px;
    cursor: pointer;
    box-shadow: inset 0 1px 0 rgba(255, 200, 180, 0.25), 0 3px 0 #2a0b08;
}
.sc-btn:hover { background: linear-gradient(180deg, #a2362c, #6c1c14); }
.sc-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 #2a0b08; }
.sc-btn:focus-visible { outline: 2px solid var(--crt-amber); outline-offset: 2px; }
.sc-btn--quiet {
    color: #cdb98e;
    background: linear-gradient(180deg, #5a3a22, #3d2515);
    border-color: #7a5230;
    box-shadow: inset 0 1px 0 rgba(255, 220, 160, 0.15), 0 3px 0 #22140b;
}
.sc-btn--quiet:hover { background: linear-gradient(180deg, #6b4629, #4a2d19); color: #fff1d6; }
.sc-btn[disabled] { opacity: 0.5; cursor: default; }

.sc-note {
    font-size: 0.95rem;
    color: #b89866;
    font-style: italic;
    margin: 0.2rem 0 0.6rem;
}

/* ---- 4. the sheet ------------------------------------------------ */
.sc-sheet-wrap {
    position: relative;
    margin: 0.4rem auto 0;
    max-width: 920px;
    filter: drop-shadow(10px 14px 18px rgba(0, 0, 0, 0.55)) drop-shadow(0 2px 2px rgba(0, 0, 0, 0.4));
}
.sc-sheet {
    position: relative;
    background-color: var(--sc-parch);
    background-image: var(--sc-parchment, none);
    background-size: 1024px 1024px;
    min-height: 420px;
    padding: 34px 40px 30px;
    color: var(--sc-ink);
    clip-path: polygon(var(--sc-torn, 0 0, 100% 0, 100% 100%, 0 100%));
}
.sc-sheet::before {
    /* raking light from the top left */
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(115deg, rgba(255, 248, 225, 0.35) 0%, rgba(255, 248, 225, 0) 38%, rgba(70, 40, 10, 0.12) 100%),
        radial-gradient(ellipse at 100% 100%, rgba(80, 50, 20, 0.22), transparent 55%);
}
.sc-sheet::after {
    /* grease spots and veins */
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.45;
    background-image: var(--sc-stains, none);
    background-size: 1024px 1024px;
    mix-blend-mode: multiply;
}
.sc-sheet > * { position: relative; z-index: 1; }

.sc-frame {
    position: absolute;
    inset: 12px;
    pointer-events: none;
    z-index: 1;
}
.sc-frame svg { width: 100%; height: 100%; display: block; overflow: visible; }

.sc-rubric {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    min-height: 92px;
    margin-bottom: 6px;
}
.sc-initial {
    flex: 0 0 auto;
    width: 92px;
    height: 92px;
    position: relative;
}
.sc-initial svg { width: 100%; height: 100%; display: block; overflow: visible; }
.sc-initial .sc-initial-letter {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--sc-font-book);
    font-size: 66px;
    line-height: 1;
    color: var(--sc-vermilion);
    text-shadow: 0 0 1px rgba(120, 20, 20, 0.5);
}
.sc-rubric-text {
    font-family: var(--sc-font-book);
    color: var(--sc-vermilion);
    padding-top: 10px;
}
.sc-rubric-text .sc-rubric-title { font-size: 1.5rem; line-height: 1.1; letter-spacing: 0.5px; }
.sc-rubric-text .sc-rubric-sub { font-size: 0.98rem; font-style: italic; color: #7a2a2a; margin-top: 4px; }

.sc-page {
    min-height: 200px;
    padding: 6px 0 10px;
}
.sc-page svg { width: 100%; height: auto; display: block; overflow: visible; }
.sc-page .sc-empty {
    font-family: var(--sc-font-book);
    font-style: italic;
    color: #7c6a4a;
    font-size: 1.15rem;
    padding: 1.4rem 0.2rem;
}

/* the ink */
.sc-stroke {
    fill: none;
    stroke: var(--sc-ink);
    stroke-linecap: round;
    stroke-linejoin: round;
}
.sc-stroke.is-wet { stroke: var(--sc-ink-wet); }
.sc-stroke.is-dry { stroke: var(--sc-ink); transition: stroke 0.6s ease; }
.sc-corrode { fill: none; stroke: #6a4a2a; stroke-linecap: round; stroke-linejoin: round; opacity: 0.18; }
.sc-ring { fill: none; stroke: var(--sc-ink); }
.sc-red .sc-stroke { stroke: var(--sc-vermilion); }
.sc-red .sc-ring { stroke: var(--sc-vermilion); }
.sc-tilde { fill: none; stroke: var(--sc-vermilion); stroke-linecap: round; }
image.sc-drollery { mix-blend-mode: multiply; }
.sc-latin { font-family: var(--sc-font-book); font-style: italic; fill: #7c6a4a; }
.sc-word-hit { cursor: help; }
.sc-word-hit:hover .sc-stroke { stroke: #d14a3a; }

.sc-provenance {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    margin-top: 18px;
    padding-top: 10px;
    border-top: 1px solid rgba(60, 40, 20, 0.25);
    font-family: var(--sc-font-book);
    font-size: 0.86rem;
    color: #5a4a30;
    font-style: italic;
}
.sc-provenance b { font-style: normal; font-weight: 400; color: #4a3a22; display: block; }
.sc-seal {
    flex: 0 0 auto;
    width: 118px;
    height: 118px;
    margin: -16px -12px -22px 0;
}
.sc-seal svg { width: 100%; height: 100%; display: block; overflow: visible; }
.sc-seal[hidden] { display: none; }
.sc-blot { fill: var(--sc-ink); opacity: 0.85; }

/* Hildegard gloss tooltip */
.sc-gloss {
    position: absolute;
    z-index: 5;
    max-width: 280px;
    background: #f1e4c3;
    color: #2a1810;
    border: 1px solid #8d7247;
    padding: 0.5rem 0.7rem;
    font-family: var(--sc-font-text);
    font-size: 0.95rem;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}
.sc-gloss b { color: var(--sc-vermilion); font-weight: 400; }
.sc-gloss[hidden] { display: none; }

/* ---- 5. tab panels ---------------------------------------------- */
.sc-panel[hidden] { display: none; }

.sc-square-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
    gap: 1.2rem 2rem;
    align-items: start;
}
.sc-square-svg { width: 100%; max-width: 460px; height: auto; display: block; margin: 0 auto; }
.sc-square-legend {
    font-family: var(--sc-font-book);
    font-size: 0.98rem;
    color: #3d2d18;
}
.sc-square-legend h3 { font-family: var(--sc-font-book); font-size: 1.1rem; color: var(--sc-vermilion); margin: 0 0 0.4rem; background: none; -webkit-text-fill-color: initial; filter: none; border: none; padding: 0; letter-spacing: 0; text-transform: none; }
.sc-square-legend table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
.sc-square-legend td { padding: 0.15rem 0.3rem; border-bottom: 1px dotted rgba(60, 40, 20, 0.3); }
.sc-square-legend td:first-child { font-family: var(--sc-font-book); text-transform: uppercase; color: var(--sc-vermilion); }
.sc-square-legend td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.sc-square-legend small { color: #7c6a4a; }
.sc-square-flow { display: flex; flex-wrap: wrap; gap: 0.3rem; margin: 0.5rem 0 0.6rem; }
.sc-square-tile {
    display: inline-flex; flex-direction: column; align-items: center; min-width: 2rem;
    padding: 0.15rem 0.3rem; border: 1px solid rgba(60, 40, 20, 0.28); background: rgba(255, 248, 225, 0.25);
    font-family: var(--sc-font-book); line-height: 1.1;
}
.sc-square-tile b { font-weight: 400; text-transform: uppercase; color: var(--sc-vermilion); font-size: 0.95rem; }
.sc-square-tile i { font-style: normal; font-size: 0.68rem; color: #5a4a30; font-variant-numeric: tabular-nums; }

.sc-cipher-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(240px, 340px);
    gap: 1rem 2rem;
    align-items: start;
}
.sc-cipher-out {
    font-family: var(--sc-font-book);
    font-size: 1.45rem;
    line-height: 1.5;
    letter-spacing: 1.5px;
    color: var(--sc-ink);
    word-break: break-word;
    min-height: 3.2rem;
    padding: 0.4rem 0;
}
.sc-cipher-out .sc-cipher-plain { color: var(--sc-vermilion); font-size: 1rem; letter-spacing: 1px; font-style: italic; display: block; margin-top: 0.6rem; }
.sc-disc svg, .sc-tabula svg { width: 100%; height: auto; display: block; }
.sc-disc-ring { transition: transform 0.45s cubic-bezier(0.2, 0.9, 0.3, 1.2); transform-origin: 50% 50%; }
.sc-tabula { font-family: var(--sc-font-book); }

.sc-sigil-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
    gap: 1rem 2rem;
    align-items: center;
}
.sc-sigil-svg { width: 100%; max-width: 440px; height: auto; display: block; margin: 0 auto; overflow: visible; }
.sc-sigil-svg .sc-wheel text { user-select: none; }
.sc-sigil-steps { font-family: var(--sc-font-book); font-size: 1rem; color: #3d2d18; }
.sc-sigil-steps dt { font-size: 0.78rem; letter-spacing: 2px; text-transform: uppercase; color: var(--sc-vermilion); margin-top: 0.6rem; }
.sc-sigil-steps dd { margin: 0.1rem 0 0; font-size: 1.12rem; letter-spacing: 2px; word-break: break-all; }

/* ---- 6. export row ------------------------------------------------ */
.sc-export {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1rem;
    align-items: center;
    margin-top: 1rem;
    padding-top: 0.8rem;
    border-top: 1px solid rgba(217, 179, 106, 0.25);
}
.sc-export .sc-field--inline { color: #cdb98e; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 1.5px; text-transform: uppercase; }
.sc-export .sc-spacer { flex: 1 1 auto; }
.sc-status {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 1.5px;
    color: #b89866;
    min-height: 1.2em;
    margin-top: 0.5rem;
}

/* ---- 7. the sealed letter --------------------------------------- */
.sc-letter {
    position: absolute;
    inset: 0;
    z-index: 6;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(20, 10, 5, 0.86);
    padding: 1rem;
}
.sc-letter[hidden] { display: none; }
.sc-letter-fold {
    position: relative;
    width: min(520px, 100%);
    aspect-ratio: 1.45 / 1;
    background-color: var(--sc-parch-dark);
    background-image: var(--sc-parchment, none);
    background-size: 1024px 1024px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7), inset 0 0 40px rgba(60, 30, 10, 0.3);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    cursor: pointer;
    transform-origin: 50% 50%;
    transition: transform 0.5s ease;
}
.sc-letter-fold::before {
    /* fold lines */
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, transparent 49.6%, rgba(60, 30, 10, 0.28) 50%, transparent 50.5%),
        linear-gradient(90deg, transparent 32.7%, rgba(60, 30, 10, 0.18) 33.1%, transparent 33.5%, transparent 66.2%, rgba(60, 30, 10, 0.18) 66.6%, transparent 67%);
}
.sc-letter-fold .sc-letter-addr {
    position: absolute;
    left: 8%;
    top: 12%;
    font-family: var(--sc-font-book);
    font-style: italic;
    color: #4a3a22;
    font-size: 1.1rem;
    line-height: 1.3;
}
.sc-letter-fold .sc-letter-addr b { display: block; font-style: normal; color: var(--sc-vermilion); font-weight: 400; font-size: 0.8rem; letter-spacing: 2px; }
.sc-letter-wax {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 150px;
    height: 150px;
    transform: translate(-50%, -50%);
    transition: transform 0.25s ease;
}
.sc-letter-fold:hover .sc-letter-wax { transform: translate(-50%, -50%) scale(1.04); }
.sc-letter-wax svg { width: 100%; height: 100%; display: block; overflow: visible; }
.sc-letter-hint {
    position: absolute;
    left: 0; right: 0; bottom: 6%;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #6a5a3a;
}
.sc-letter.is-breaking .sc-letter-wax { animation: sc-wax-crack 0.5s ease-out forwards; }
.sc-letter.is-breaking .sc-letter-fold { animation: sc-unfold 0.9s ease-in 0.35s forwards; }
@keyframes sc-wax-crack {
    0% { transform: translate(-50%, -50%) scale(1); }
    30% { transform: translate(-50%, -50%) scale(1.08) rotate(-4deg); }
    100% { transform: translate(-50%, -30%) scale(0.6) rotate(18deg); opacity: 0; }
}
@keyframes sc-unfold {
    0% { transform: perspective(900px) rotateX(0deg); }
    60% { transform: perspective(900px) rotateX(70deg); opacity: 1; }
    100% { transform: perspective(900px) rotateX(90deg); opacity: 0; }
}
.sc-decipher {
    font-family: var(--sc-font-book);
    font-size: 1.35rem;
    letter-spacing: 1.5px;
    line-height: 1.5;
    color: var(--sc-ink);
    word-break: break-word;
}
.sc-decipher .sc-dec-char { transition: color 0.3s ease; }
.sc-decipher .sc-dec-char.is-plain { color: var(--sc-vermilion); }

/* ---- 8. page copy ----------------------------------------------- */
.sc-copy h2 small { display: block; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 2px; color: var(--crt-cyan-dim); margin-top: 0.3rem; text-transform: uppercase; }
.sc-scripts-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 0.84rem; }
.sc-scripts-table th, .sc-scripts-table td { text-align: left; padding: 0.5rem 0.5rem; border-bottom: 1px dashed var(--crt-cyan-deep); vertical-align: top; }
.sc-scripts-table th { color: var(--crt-cyan-mid); font-weight: 400; letter-spacing: 1.5px; text-transform: uppercase; font-size: 0.7rem; }
.sc-scripts-table td:first-child { color: var(--crt-cyan-bright); white-space: nowrap; }
.sc-scripts-table td:nth-child(3) { color: var(--crt-cyan-mid); }
.sc-script-article { padding: 1rem 0; border-top: 1px dashed var(--crt-cyan-deep); }
.sc-script-article:first-of-type { border-top: none; }
.sc-script-article h3 { margin: 0 0 0.3rem; font-size: 1rem; letter-spacing: 2px; }
.sc-script-article h3 small { display: block; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 2px; color: var(--crt-amber); margin-top: 0.3rem; text-transform: uppercase; }
.sc-script-article .sc-sample { margin: 0.5rem 0 0.6rem; max-width: 520px; }
.sc-script-article .sc-sample svg { width: 100%; height: auto; display: block; }
.sc-script-article .sc-sample .sc-stroke { stroke: var(--crt-cyan-bright); }
.sc-script-article .sc-sample .sc-ring { stroke: var(--crt-cyan-bright); }
.sc-script-article p { margin: 0.4rem 0; }
.sc-script-article .sc-source { font-family: var(--font-mono); font-size: 0.78rem; color: var(--crt-cyan-dim); letter-spacing: 0.5px; }
.sc-faq details { border-bottom: 1px dashed var(--crt-cyan-deep); padding: 0.6rem 0; }
.sc-faq summary { cursor: pointer; color: var(--crt-cyan-bright); font-family: var(--font-mono); font-size: 0.95rem; letter-spacing: 1px; list-style: none; }
.sc-faq summary::-webkit-details-marker { display: none; }
.sc-faq summary::before { content: '> '; color: var(--crt-amber); }
.sc-faq details[open] summary::before { content: 'v '; }
.sc-faq p { margin: 0.6rem 0 0.2rem; color: var(--crt-cyan-mid); line-height: 1.6; }

/* ---- 9. responsive ---------------------------------------------- */
@media (max-width: 820px) {
    .sc-square-wrap, .sc-cipher-wrap, .sc-sigil-wrap { grid-template-columns: 1fr; }
    .sc-sheet { padding: 24px 20px 22px; }
    .sc-rubric-text .sc-rubric-title { font-size: 1.2rem; }
    .sc-initial { width: 72px; height: 72px; }
    .sc-initial .sc-initial-letter { font-size: 50px; }
}
@media (max-width: 520px) {
    .sc-desk { padding: 12px 10px 16px; }
    .sc-tab { font-size: 0.92rem; padding: 0.4rem 0.7rem; }
    .sc-head { font-size: 0.6rem; }
    .sc-seal { width: 88px; height: 88px; margin: -10px -8px -16px 0; }
    .sc-provenance { flex-direction: column; align-items: flex-start; }
    .sc-letter-wax { width: 110px; height: 110px; }
}

/* ---- 10. reduced motion ------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
    .sc-disc-ring { transition: none; }
    .sc-letter.is-breaking .sc-letter-wax, .sc-letter.is-breaking .sc-letter-fold { animation-duration: 0.01s; }
}

/* lead paragraph above the desk */
.sc-lead { font-size: 1.05rem; line-height: 1.7; color: var(--crt-cyan-bright); }