/* Writers Desk: Progression Studio layout system + BarForge brand red. Self-hosted, no frameworks. */
:root {
  --bg: #FFFFFF;
  --surface: #FFFFFF;
  --surface-2: #F3F4F6;
  --surface-3: #E9EAEE;
  --border: #E4E6EB;
  --border-strong: #D1D5DB;
  --text: #14161A;
  --muted: #6B7280;
  --faint: #9CA3AF;
  --ink: #14161A;
  --ink-contrast: #FFFFFF;
  --accent: #C21E1E;
  --accent-2: #A51818;
  --accent-soft: rgba(194, 30, 30, .09);
  --ok: #0F9D58;
  --warn: #B26A00;
  --danger: #DC2626;
  --radius: 14px;
  --pill: 999px;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 8px 24px rgba(16,24,40,.08);
  --font-display: 'Poppins', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', ui-monospace, Consolas, monospace;
  --maxw: 1240px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E0E0F; --surface: #151517; --surface-2: #1C1C1F; --surface-3: #242428;
    --border: #2A2A2F; --border-strong: #3A3A40; --text: #F1F1F3; --muted: #A1A1AA; --faint: #6B6B74;
    --ink: #F1F1F3; --ink-contrast: #0E0E0F; --accent: #E0403F; --accent-2: #F05A59; --accent-soft: rgba(224, 64, 63, .14);
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0E0E0F; --surface: #151517; --surface-2: #1C1C1F; --surface-3: #242428;
  --border: #2A2A2F; --border-strong: #3A3A40; --text: #F1F1F3; --muted: #A1A1AA; --faint: #6B6B74;
  --ink: #F1F1F3; --ink-contrast: #0E0E0F; --accent: #E0403F; --accent-2: #F05A59; --accent-soft: rgba(224, 64, 63, .14);
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35); color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body { font: 15px/1.55 var(--font-body); background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; min-height: 100dvh; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
img, svg { display: block; flex-shrink: 0; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; letter-spacing: -.015em; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); letter-spacing: -.02em; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.1rem; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
[hidden] { display: none !important; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.row-gap { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.stack > * + * { margin-top: 14px; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.note { color: var(--muted); font-size: .84rem; line-height: 1.5; }
.note.error, .form-error { color: var(--danger); font-size: .86rem; }
.form-error:empty { display: none; }
.accent { color: var(--accent); }
.eyebrow { font-family: var(--font-display); font-size: .75rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 60ch; margin-top: 16px; }
.link { color: var(--accent); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; padding: 0; }

/* buttons (Progression Studio pills) */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 20px; border-radius: var(--pill);
  font-family: var(--font-display); font-weight: 600; font-size: .9rem; border: 1px solid transparent; white-space: nowrap;
  transition: background .15s, border-color .15s, opacity .15s; touch-action: manipulation; }
.btn-primary { background: var(--ink); color: var(--ink-contrast); }
.btn-primary:hover { opacity: .88; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-2); }
.btn-ghost { border-color: var(--border); background: var(--surface); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-sm { padding: 6px 13px; font-size: .82rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.icon-btn { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; color: var(--muted); flex-shrink: 0; }
.icon-btn:hover { background: var(--surface-2); color: var(--text); }

/* forms */
input[type=text], input[type=email], input[type=password], input[type=number], input[type=search], select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
input[type=range] { width: 100%; accent-color: var(--accent); }
.field { display: grid; gap: 5px; font-size: .85rem; font-weight: 500; }
.field > span { color: var(--muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.form-grid .field:last-child { grid-column: span 2; }

/* brand */
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-name { font-family: var(--font-display); font-weight: 800; letter-spacing: .02em; font-size: 1.02rem; }
.brand-name b { font-weight: 500; }

/* library */
.site-header { border-bottom: 1px solid var(--border); background: var(--surface); position: sticky; top: 0; z-index: 5; }
.site-header .wrap { height: 64px; }
.account-chip { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font: 700 .78rem var(--font-display); }
.hero { padding: 56px 0 28px; background: radial-gradient(900px 300px at 85% -10%, var(--accent-soft), transparent 70%); }
.notice { margin-top: 22px; display: flex; gap: 10px; align-items: flex-start; padding: 12px 16px; border-radius: 12px; background: var(--surface-2); color: var(--muted); font-size: .9rem; max-width: 720px; }
.notice svg { margin-top: 3px; color: var(--accent); }
.library-section { padding-bottom: 64px; }
.section-head { margin: 18px 0 18px; }
.song-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.song-card { display: flex; flex-direction: column; gap: 10px; min-height: 168px; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
  transition: box-shadow .15s, transform .15s, border-color .15s; }
.song-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card-top { display: flex; align-items: flex-start; gap: 8px; }
.card-title { font-family: var(--font-display); font-size: 1.02rem; flex: 1; min-width: 0; overflow-wrap: anywhere; }
.card-del { width: 30px; height: 30px; opacity: 0; }
.song-card:hover .card-del, .card-del:focus-visible { opacity: 1; }
.card-preview { flex: 1; color: var(--muted); font-size: .88rem; line-height: 1.5; font-family: var(--font-mono); display: grid; }
.card-foot { display: flex; justify-content: space-between; font-size: .78rem; color: var(--faint); }
.new-card { align-items: center; justify-content: center; text-align: center; border-style: dashed; border-width: 2px; color: var(--text); }
.new-plus { width: 52px; height: 52px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; }

/* editor workspace */
.editor-view { display: flex; flex-direction: column; height: 100dvh; overflow: hidden; }
.topbar { height: 56px; display: flex; align-items: center; gap: 8px; padding: 0 10px; border-bottom: 1px solid var(--border); background: var(--surface); flex-shrink: 0; }
.topbar .logo-mark { margin: 0 2px; }
.title-input { flex: 0 1 380px; min-width: 80px; font: 600 1.02rem var(--font-display); border: 1px solid transparent !important; background: transparent !important; padding: 6px 8px !important; }
.title-input:hover { border-color: var(--border) !important; }
.title-input:focus { border-color: var(--accent) !important; }
.save-state { font-size: .78rem; color: var(--faint); white-space: nowrap; }
.save-state.ok { color: var(--ok); }
.save-state.err { color: var(--danger); }
.workspace { flex: 1; display: flex; min-height: 0; }
.write-area { flex: 1; min-width: 0; overflow-y: auto; background: var(--bg); }
.tools { width: 340px; flex-shrink: 0; border-left: 1px solid var(--border); background: var(--surface); display: flex; min-height: 0; }
.tools > * { flex: 1; min-width: 0; }

.editor { max-width: 860px; margin: 0 auto; padding: 28px 12px 120px; font-family: var(--font-mono); }
.line { display: flex; align-items: flex-start; position: relative; border-radius: 8px; }
.line.active { background: var(--surface-2); }
.line.bar-start { margin-top: 26px; }
.line.bar-start::before { content: attr(data-bar); position: absolute; left: 50px; right: 52px; top: -19px; display: flex; align-items: center;
  font: 700 .64rem var(--font-body); letter-spacing: .12em; text-transform: uppercase; color: var(--faint);
  background: linear-gradient(var(--border), var(--border)) left 50% / 100% 1px no-repeat; }
.line-num { width: 40px; flex-shrink: 0; text-align: right; padding: 9px 10px 0 0; font-size: .74rem; color: var(--faint); font-variant-numeric: tabular-nums; user-select: none; }
.line.active .line-num { color: var(--muted); }
.line-bar { width: 3px; align-self: stretch; margin: 5px 0; border-radius: 2px; flex-shrink: 0; transition: background .2s; }
.line-input { flex: 1; min-width: 0; resize: none; overflow: hidden; border: 0; outline: none; background: transparent; font: 15.5px/1.7 var(--font-mono);
  padding: 5px 10px; min-height: 36px; caret-color: var(--accent); }
.line-input::placeholder { color: var(--faint); font-style: italic; }
.line-meta { width: 52px; flex-shrink: 0; display: flex; justify-content: flex-end; gap: 6px; padding: 10px 6px 0 0; font-size: .72rem; user-select: none; font-variant-numeric: tabular-nums; }
.line-syl { color: var(--muted); }
.line-letter { font-weight: 800; color: var(--faint); min-width: 10px; text-align: center; }
.line[style*="--rhyme"] .line-letter { color: var(--rhyme); }
.line.section { margin-top: 22px; }
.line.section .line-input { font: 700 .82rem/2 var(--font-body); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.line.section .line-bar { background: transparent !important; }

.statusbar { height: 30px; flex-shrink: 0; display: flex; align-items: center; gap: 16px; padding: 0 14px; border-top: 1px solid var(--border); background: var(--surface); font-size: .72rem; color: var(--muted); overflow: hidden; white-space: nowrap; }
.statusbar .st b { font-size: .64rem; letter-spacing: .12em; color: var(--faint); margin-right: 5px; }
.statusbar .hint { color: var(--faint); }

/* forge panel */
.forge { display: flex; flex-direction: column; min-height: 0; }
.forge-head { padding: 12px 12px 0; border-bottom: 1px solid var(--border); }
.forge-search { display: flex; align-items: center; gap: 8px; padding: 0 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2); color: var(--muted); }
.forge-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.forge-search-input { border: 0 !important; background: transparent !important; box-shadow: none !important; padding: 9px 0 !important; font-family: var(--font-mono); color: var(--text); }
.forge-tabs { display: flex; gap: 2px; margin-top: 10px; }
.forge-tab { flex: 1; padding: 9px 4px; font: 600 .82rem var(--font-display); color: var(--muted); border-bottom: 2px solid transparent; }
.forge-tab[aria-selected="true"] { color: var(--text); border-color: var(--accent); }
.forge-body { flex: 1; overflow-y: auto; padding: 14px 14px 32px; }
.forge-word { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.forge-word-text { font: 700 1.3rem var(--font-mono); color: var(--accent); }
.stress { display: inline-flex; align-items: center; gap: 3px; }
.stress i { width: 6px; height: 6px; border-radius: 50%; background: var(--border-strong); }
.stress i.mid { width: 7px; height: 7px; background: var(--muted); }
.stress i.on { width: 9px; height: 9px; background: var(--accent); }
.forge-word .icon-btn { margin-left: auto; width: 32px; height: 32px; }
.pills { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0 4px; }
.pill { padding: 3px 11px; border-radius: var(--pill); border: 1px solid var(--border); font-size: .78rem; color: var(--muted); }
.pill[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.section-label { display: flex; align-items: center; gap: 8px; margin: 16px 0 8px; font: 700 .66rem var(--font-body); letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.section-label::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { padding: 5px 11px; border-radius: 8px; background: var(--surface-2); font: 500 .88rem var(--font-mono); border: 1px solid transparent; text-align: left; }
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.common { background: var(--surface-3); font-weight: 600; }
.chip-removable { display: inline-flex; padding: 0; overflow: hidden; }
.chip-main { padding: 5px 4px 5px 11px; font: inherit; }
.chip-x { padding: 5px 9px; color: var(--faint); }
.chip-x:hover { color: var(--danger); }
.empty { display: grid; gap: 6px; text-align: center; padding: 48px 12px; color: var(--muted); font-size: .88rem; }
.empty strong { color: var(--text); font-size: .95rem; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 14px; }
.stat { padding: 12px 8px; border-radius: 12px; background: var(--surface-2); text-align: center; display: grid; }
.stat b { font: 700 1.25rem var(--font-display); }
.stat span { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.meter-words { display: flex; flex-wrap: wrap; gap: 10px 14px; margin-bottom: 14px; font-family: var(--font-mono); }
.meter-word { display: grid; justify-items: center; gap: 4px; }
.ideas-out { margin-top: 12px; display: grid; gap: 10px; }
.idea-card { border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; }
.idea-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; color: var(--accent); font-size: .82rem; }
.idea-line { display: flex; justify-content: space-between; gap: 8px; font: .86rem/1.6 var(--font-mono); }
.idea-line em { color: var(--faint); font-style: normal; font-weight: 700; }

.idea-summary { display: grid; gap: 10px; padding: 12px; border-radius: 12px; background: var(--surface-2); margin-bottom: 12px; }
.summary-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; }
.fact { display: grid; font-size: .8rem; }
.fact span { color: var(--faint); font-size: .66rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
.fact b { font-family: var(--font-mono); font-weight: 600; }
.idea-card { display: grid; gap: 8px; margin-bottom: 10px; }
.idea-title { font: 600 .9rem var(--font-display); }
.idea-sub { font-size: .74rem; color: var(--muted); font-weight: 600; margin-top: 2px; }
.idea-quote { font: .86rem/1.5 var(--font-mono); color: var(--text); padding-left: 10px; border-left: 3px solid var(--accent); }
.small-chips .chip { padding: 3px 9px; font-size: .8rem; }
.suggestion { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 10px; background: var(--surface-2); }
.suggestion-text { font: .86rem/1.45 var(--font-mono); min-width: 0; overflow-wrap: anywhere; }
.suggestion-meta { font-size: .72rem; font-variant-numeric: tabular-nums; }
.forge-tab.locked::after { content: ''; display: inline-block; width: 6px; height: 6px; margin-left: 5px; border-radius: 50%; background: var(--accent); vertical-align: middle; opacity: .8; }
.unlock { display: grid; gap: 12px; padding: 18px; border: 1px solid var(--border); border-radius: 14px; background: linear-gradient(180deg, var(--accent-soft), transparent 60%); }
.unlock h3 { font-size: 1.05rem; }
.unlock p { color: var(--muted); font-size: .88rem; line-height: 1.5; }
.unlock-badge { display: inline-flex; align-items: center; gap: 6px; width: max-content; padding: 3px 10px; border-radius: 999px; background: var(--accent); color: #fff; font: 700 .68rem var(--font-body); letter-spacing: .06em; text-transform: uppercase; }
.unlock-ways { list-style: none; display: grid; gap: 10px; }
.unlock-ways li { display: grid; gap: 2px; padding: 10px 12px; border-radius: 10px; background: var(--surface-2); font-size: .85rem; }
.unlock-ways li span { color: var(--muted); }
.ideas-loading { display: flex; align-items: center; gap: 10px; padding: 24px 8px; color: var(--muted); font-size: .88rem; }
.spinner { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--border); border-top-color: var(--accent); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.source-tag { display: inline-block; margin-left: 8px; padding: 1px 7px; border-radius: 999px; background: var(--surface-3); color: var(--muted); font: 600 .62rem var(--font-body); letter-spacing: .04em; text-transform: uppercase; vertical-align: middle; }
.fit-ok { color: var(--ok); }
.fit-off { color: var(--warn); }
.suggestion .btn { padding: 4px 10px; }

/* audio */
.audio { overflow-y: auto; padding: 4px 14px 32px; }
.panel-block { padding: 14px 0; border-bottom: 1px solid var(--border); display: grid; gap: 10px; }
.panel-block:last-child { border: 0; }
.block-label { font: 700 .66rem var(--font-body); letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.bpm-row { display: flex; align-items: baseline; gap: 6px; }
.bpm-value { font: 700 2rem var(--font-display); }
.beat-file { display: flex; align-items: center; gap: 8px; justify-content: space-between; }
.rec-row { display: flex; align-items: center; gap: 12px; }
.rec-btn { width: 56px; height: 56px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; box-shadow: 0 0 0 4px var(--accent-soft); flex-shrink: 0; }
.rec-btn.on { animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 10px var(--accent-soft); } }
.rec-time { font: 600 1.1rem var(--font-mono); font-variant-numeric: tabular-nums; }
.take { display: grid; gap: 8px; padding: 12px; border-radius: 12px; background: var(--surface-2); }
.take audio, .take-item audio { width: 100%; height: 36px; }
.take-item { display: grid; grid-template-columns: 1fr auto; gap: 6px 8px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.take-item audio { grid-column: 1 / -1; grid-row: 2; }
.take-meta { display: grid; min-width: 0; }

/* modal + palette + toast */
.modal { margin: auto; width: min(440px, calc(100vw - 32px)); border: 1px solid var(--border); border-radius: 18px; padding: 22px; background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.modal::backdrop { background: rgba(10, 10, 12, .45); backdrop-filter: blur(2px); }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.palette { padding: 8px; width: min(560px, calc(100vw - 32px)); margin-top: 14vh; }
.palette-input { border: 0 !important; box-shadow: none !important; font-size: 1rem !important; padding: 12px !important; }
.palette-list { list-style: none; max-height: 50vh; overflow-y: auto; border-top: 1px solid var(--border); padding-top: 6px; }
.palette-list li { display: flex; justify-content: space-between; align-items: center; padding: 9px 12px; border-radius: 8px; cursor: pointer; font-size: .92rem; }
.palette-list li[aria-selected="true"] { background: var(--accent-soft); color: var(--accent); }
kbd { font: .72rem var(--font-mono); padding: 2px 6px; border: 1px solid var(--border); border-radius: 5px; color: var(--muted); }
#toasts { position: fixed; left: 50%; bottom: 74px; transform: translateX(-50%); display: grid; gap: 8px; z-index: 50; width: min(440px, calc(100vw - 32px)); }
.toast { padding: 11px 16px; border-radius: 12px; background: var(--ink); color: var(--ink-contrast); font-size: .9rem; box-shadow: var(--shadow); transition: opacity .3s, transform .3s; }
.toast.error { background: var(--danger); color: #fff; }
.toast.ok { background: var(--ok); color: #fff; }
.toast.out { opacity: 0; transform: translateY(8px); }

/* inside Progression Studio: the desk is the whole window there, with a link back in the song list */
.in-host .editor-view { height: 100vh; height: 100dvh; }
.in-host .topbar { height: 48px; }
.in-host .site-header { position: static; }
.in-host .hero { padding: 28px 0 16px; }
.in-host .hero .lead, .in-host .hero .notice { display: none; }
.in-host .tools { width: 320px; }

/* mobile */
.mobile-nav { display: none; }
@media (max-width: 860px) {
  .hide-sm { display: none !important; }
  .wrap { padding: 0 16px; }
  .hero { padding: 36px 0 20px; }
  .tools { display: none; }
  .editor-view.tools-open .tools { display: flex; position: fixed; left: 0; right: 0; bottom: calc(58px + env(safe-area-inset-bottom)); height: 62dvh; width: auto;
    border: 1px solid var(--border); border-radius: 18px 18px 0 0; box-shadow: 0 -10px 30px rgba(0,0,0,.15); z-index: 10; }
  .statusbar { display: none; }
  .mobile-nav { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--border); background: var(--surface); padding-bottom: env(safe-area-inset-bottom); flex-shrink: 0; }
  .mobile-nav button { display: grid; justify-items: center; gap: 2px; padding: 8px 0; font-size: .7rem; color: var(--muted); }
  .mobile-nav button.on { color: var(--accent); }
  .editor { padding: 18px 4px 100px; }
  .line-num { width: 28px; padding-right: 6px; }
  .line-meta { width: 44px; }
  .line.bar-start::before { left: 34px; right: 44px; }
  .card-del { opacity: 1; }
  .title-input { flex: 1; }
}