html, body, #root { margin: 0; min-height: 100%; }
body { background: var(--ds-page); }
.row { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { min-height: 48px; padding: 0 18px; border-radius: 12px; border: 1px solid var(--ds-hairline); background: transparent; color: var(--ds-ink); font: inherit; cursor: pointer; }
.btn:active { opacity: .7; }
.btn[aria-pressed="true"] { background: var(--ds-ink); color: var(--ds-page); }
.btn.wild { background: linear-gradient(90deg, #7c5cff, #e04f9c, #ff7a59); color: #fff; border: 0; font-weight: 700; flex: 1 1 240px; }
.btn.sq { min-width: 48px; padding: 0; font-size: 22px; }
.btn.play { background: var(--ds-ink); color: var(--ds-page); font-weight: 600; min-width: 130px; }
.stagebtn { width: 100%; margin: 4px 0 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { min-height: 48px; padding: 0 18px; border-radius: 24px; border: 1px solid var(--ds-hairline); background: transparent; color: var(--ds-ink); font: inherit; cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--ds-ink); color: var(--ds-page); border-color: var(--ds-ink); }
.chip.dim { opacity: .4; text-decoration: line-through; }
.chip.dim[aria-pressed="true"] { opacity: .8; text-decoration: none; }
.chips.sm { margin-bottom: 10px; }
.chips.sm .chip { min-height: 44px; padding: 0 14px; }
.hint, .tip { margin: 8px 0 0; color: var(--ds-ink-2); font-size: 14px; }
.pool summary { min-height: 48px; display: flex; align-items: center; cursor: pointer; font-weight: 600; }
.poolrow { margin: 14px 0; }
.poolhead { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.grow { flex: 1; }
.mini { min-height: 40px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--ds-hairline); background: transparent; color: var(--ds-ink); font: inherit; font-size: 14px; }
.picked { margin: 0 0 12px; color: var(--ds-ink-2); }
.tempo { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; color: var(--ds-ink-2); }
.tempo b { color: var(--ds-ink); min-width: 80px; text-align: center; }
.tabopts { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 4px; }
.prog { border: 1px solid var(--ds-hairline); border-left: 8px solid; border-radius: 14px; padding: 14px; margin-bottom: 16px; }
.ptitle { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.num { width: 26px; height: 26px; border-radius: 13px; color: #fff; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; }
.chords { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 8px; }
.chord { border: 1px solid var(--ds-hairline); border-radius: 12px; padding: 12px 6px; text-align: center; display: flex; flex-direction: column; gap: 2px; word-break: break-word; }
.chord.on { background: var(--ds-ink); color: var(--ds-page); }
.cn { font-size: 22px; font-weight: 700; line-height: 1.15; }
.cr { font-size: 13px; opacity: .7; }
.tabwrap { margin-top: 12px; overflow-x: auto; }
.tablabel { font-size: 13px; color: var(--ds-ink-2); margin-bottom: 4px; }
.tab { margin: 0 0 8px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; line-height: 1.25; white-space: pre; }
.prog .row { margin-top: 12px; }
.stagebar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }
.stagetools { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; margin-bottom: 10px; }
.stage { display: grid; grid-template-columns: 1fr; gap: 14px; }
.stage .prog { margin-bottom: 0; background: #0c0c12; color: #fff; border-color: #2a2a38; }
.stage .tip, .stage .tablabel, .stage .cr { color: #b8b8c8; opacity: 1; }
.stage .chord { border-color: #3a3a4c; padding: 16px 6px; }
.stage .chord.on { background: #fff; color: #0c0c12; }
.stage .chord.on .cr { color: #444; }
.stage .cn { font-size: clamp(20px, 2.1vw, 28px); }
.stage .chords { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
.stage .btn { color: #fff; border-color: #4a4a5e; }
.stage .btn.play { background: #fff; color: #0c0c12; min-height: 56px; min-width: 150px; font-size: 18px; }
@media (min-width: 900px) { .stage { grid-template-columns: 1fr 1fr; } .stage .tab { font-size: 12.5px; } }
@media (max-width: 899px) { .stage .tab, .tab { font-size: 14px; } }
.hedz h1 { font-size: 30px; margin: 0 0 6px; font-weight: 600; }
.hedz h2 { font-size: 18px; margin: 22px 0 10px; font-weight: 600; }
.lead { margin: 4px 0 12px; color: var(--ds-ink-2); font-size: 16px; }
.lead i { font-style: normal; font-size: 12px; opacity: .7; margin-right: 6px; }
.foot { margin-top: 24px; color: var(--ds-ink-2); font-size: 13px; }
button.chord { font: inherit; color: inherit; background: transparent; cursor: pointer; }
.keyrow { margin: 0 0 14px; }
.kchords { display: grid; grid-template-columns: repeat(auto-fit, minmax(112px, 1fr)); gap: 8px; }
.kc { font: inherit; color: var(--ds-ink); background: transparent; border: 1px solid var(--ds-hairline); border-radius: 12px; min-height: 56px; padding: 6px; display: flex; flex-direction: column; align-items: center; justify-content: center; cursor: pointer; }
.kc .cn { font-size: 18px; } 
.overlay { color: var(--ds-ink); }
.ovin { max-width: 1000px; margin: 0 auto; padding: 16px; }
.ovbar { position: sticky; top: 0; display: flex; gap: 10px; padding: 8px 0 12px; background: var(--ds-page); }
.btn.back { flex: 1; font-weight: 600; min-height: 56px; font-size: 17px; }
.voicings { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.voicing { border: 1px solid var(--ds-hairline); border-radius: 12px; padding: 8px; text-align: center; }
.dia { width: 100%; max-width: 160px; color: var(--ds-ink); }
.neckwrap { overflow-x: auto; }
.neck { min-width: 640px; width: 100%; color: var(--ds-ink); }
.is-stage .chords { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
.is-stage .prog { margin-bottom: 0; background: #0c0c12; color: #fff; border-color: #2a2a38; }
.is-stage .tip, .is-stage .tablabel, .is-stage .cr { color: #b8b8c8; opacity: 1; }
.is-stage .chord { border-color: #3a3a4c; padding: 16px 6px; }
.is-stage .chord.on { background: #fff; color: #0c0c12; }
.is-stage .chord.on .cr { color: #444; }
.is-stage .cn { font-size: clamp(20px, 2.1vw, 28px); }
.is-stage .btn.play { background: #fff; color: #0c0c12; min-height: 56px; min-width: 150px; font-size: 18px; }
.is-stage .prog .btn { color: #fff; border-color: #4a4a5e; }
.is-stage .prog .btn.play { color: #0c0c12; }
.is-stage .stage { display: grid; grid-template-columns: 1fr; gap: 14px; }
.is-stage .kc .cn { font-size: 20px; }
@media (min-width: 900px) { .is-stage .stage { grid-template-columns: 1fr 1fr; } }
.rel { margin: 4px 0 0; font-size: 13px; color: var(--ds-ink-2); }
.is-stage .rel { color: #b8b8c8; }

.slot { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.lockbtn { min-height: 40px; border-radius: 10px; border: 1px solid var(--ds-hairline); background: transparent; color: var(--ds-ink-2); font: inherit; font-size: 14px; cursor: pointer; }
.lockbtn[aria-pressed="true"] { background: var(--ds-ink); color: var(--ds-page); border-color: var(--ds-ink); font-weight: 700; }
.ktag { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: #e0b341; }
.slot .chord { flex: 1; justify-content: center; }
.kc .cr { font-size: 12px; text-align: center; overflow-wrap: anywhere; }
.kc { min-width: 0; }
.kc .cn { overflow-wrap: anywhere; text-align: center; }
.stage .chord, .is-stage .chord { word-break: normal; overflow-wrap: normal; }
@media (max-width: 899px) { .stage .cn, .is-stage .cn { font-size: clamp(24px, 4.2vw, 36px); } }
@media (max-width: 899px) { .kchords { grid-template-columns: repeat(auto-fit, minmax(118px, 1fr)); } .kc .cn, .is-stage .kc .cn { font-size: 16px; } }
.pagetabs { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.pagetabs .btn { min-width: 120px; font-weight: 600; }
.swipehint { color: var(--ds-ink-2); font-size: 13px; }
.pager { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; height: calc(100vh - 110px); height: calc(100dvh - 110px); min-height: 480px; border-radius: 14px; scrollbar-width: none; }
.pager::-webkit-scrollbar { display: none; }
.pg { flex: 0 0 100%; box-sizing: border-box; scroll-snap-align: start; scroll-snap-stop: always; overflow-y: auto; overflow-x: hidden; padding: 0 6px 60px; -webkit-overflow-scrolling: touch; }
.pg.is-stage { padding: 12px 12px 60px; }
.is-stage.dark { background: #0c0c12; color: #fff; --ds-ink: #f3f0ff; --ds-ink-2: #b4acd0; --ds-hairline: #3a3358; --ds-page: #0c0c12; }
.is-stage.light { background: #fff; color: #111; --ds-ink: #111; --ds-ink-2: #555; --ds-hairline: #bbb; --ds-page: #fff; }
.is-stage.light .prog { background: #fff; color: #111; border-color: #ccc; }
.is-stage.light .tip, .is-stage.light .tablabel, .is-stage.light .cr, .is-stage.light .rel { color: #555; }
.is-stage.light .chord { border-color: #bbb; }
.is-stage.light .chord.on { background: #111; color: #fff; }
.is-stage.light .chord.on .cr { color: #ddd; }
.is-stage.light .prog .btn, .is-stage.light .btn { color: #111; border-color: #999; }
.is-stage.light .btn.wild { color: #fff; border: 0; }
.is-stage.light .btn[aria-pressed="true"], .is-stage.light .chip[aria-pressed="true"] { background: #111; color: #fff; }
.is-stage.light .btn.play, .is-stage.light .prog .btn.play { background: #111; color: #fff; }
.is-stage .cn { font-size: calc(var(--hs, 1) * clamp(20px, 2.1vw, 28px)); }
.is-stage .cr { font-size: calc(var(--hs, 1) * 13px); }
.is-stage .tab { font-size: calc(var(--hs, 1) * 12.5px); overflow-x: auto; }
.is-stage .tablabel, .is-stage .tip { font-size: calc(var(--hs, 1) * 14px); }
.is-stage .stage.one { grid-template-columns: 1fr !important; }
.is-stage .stage.one .cn { font-size: calc(var(--hs, 1) * clamp(34px, 6vw, 64px)); }
.is-stage .stage.one .chord { padding: 24px 6px; }
.is-stage .stage.one .tab { font-size: calc(var(--hs, 1) * 15px); }
.is-stage .stage.cols1 { grid-template-columns: 1fr !important; }
.is-stage .stage.cols2 { grid-template-columns: 1fr 1fr !important; }
@media (max-width: 899px) { .is-stage .cn { font-size: calc(var(--hs, 1) * clamp(24px, 4.2vw, 36px)); } }
.is-stage .prog, .is-stage .stage > * { min-width: 0; }
.is-stage .prog { overflow: hidden; }
.is-stage .chords { grid-template-columns: repeat(auto-fit, minmax(calc(120px * var(--hs, 1)), 1fr)); }
.is-stage .stage.one .chords { grid-template-columns: repeat(auto-fit, minmax(calc(200px * var(--hs, 1)), 1fr)); }
.is-stage .stage.one .cn { font-size: calc(var(--hs, 1) * clamp(30px, 5vw, 48px)); }
.is-stage .kchords { grid-template-columns: repeat(auto-fit, minmax(calc(118px * var(--hs, 1)), 1fr)); }
.is-stage .kc .cn { font-size: calc(var(--hs, 1) * 18px); }
.is-stage .kc .cr { font-size: calc(var(--hs, 1) * 12px); }
.is-stage .keyrow .tablabel { font-size: calc(var(--hs, 1) * 14px); }

.pager { display: block; overflow: hidden; scroll-snap-type: none; touch-action: pan-y; position: relative; }
.track { display: flex; width: 200%; height: 100%; will-change: transform; }
.pg { flex: 0 0 50%; width: 50%; scroll-snap-align: none; scroll-snap-stop: normal; touch-action: pan-y; overscroll-behavior: contain; }
.swipehint { user-select: none; }
.pager { user-select: none; -webkit-user-select: none; }
.pager input, .pager textarea { user-select: text; }

.hedz { border-radius: 14px; }
.hedz.th-dark { background: #0c0c12; color: #f3f0ff; --ds-ink: #f3f0ff; --ds-ink-2: #b4acd0; --ds-hairline: #3a3358; --ds-page: #0c0c12; padding: 10px; }
.hedz.th-light { background: #fff; color: #111; --ds-ink: #111; --ds-ink-2: #555; --ds-hairline: #bbb; --ds-page: #fff; padding: 10px; }
.th-light .chip[aria-pressed="true"], .th-light .btn[aria-pressed="true"] { background: #111; color: #fff; }
.th-light .btn.wild { color: #fff; }
.th-light .btn.play { background: #111; color: #fff; }
.th-dark .btn.play { background: #f3f0ff; color: #0c0c12; }
.th-dark .prog { background: #12101f; }
.th-light .prog { background: #fff; }
.hedz .chip, .hedz .btn, .hedz .lockbtn, .hedz .kc, .hedz .mini { color: inherit; }
.hedz .btn.wild { color: #fff; }
.gear { min-width: 56px; min-height: 56px; font-size: 28px; padding: 0; line-height: 1; }
.grow { flex: 1; }
.sheetback { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 20; }
.sheet { position: fixed; top: 0; right: 0; bottom: 0; width: min(440px, 92vw); overflow-y: auto; z-index: 21; padding: 16px; box-sizing: border-box; background: var(--ds-page); color: var(--ds-ink); border-left: 1px solid var(--ds-hairline); }
.sheethead { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; font-size: 20px; }
.sheet .tablabel { margin: 14px 0 6px; color: var(--ds-ink-2); }
.hedz .chip[aria-pressed="true"], .hedz .btn[aria-pressed="true"], .hedz .lockbtn[aria-pressed="true"] { color: var(--ds-page); }
.hedz .btn.wild, .hedz .btn.wild[aria-pressed="true"] { color: #fff; }
.is-stage .chip[aria-pressed="true"], .is-stage .btn[aria-pressed="true"] { color: var(--ds-page); }
.is-stage.light .chip[aria-pressed="true"], .is-stage.light .btn[aria-pressed="true"] { color: #fff; }
.th-light .chip[aria-pressed="true"], .th-light .btn[aria-pressed="true"], .th-light .lockbtn[aria-pressed="true"] { color: #fff; }

/* Fixed top toolbar: Setup | Stage | gear stay put on scroll and page switch */
.pagetabs { position: sticky; top: 0; z-index: 15; flex-wrap: nowrap; gap: 8px; margin: -10px -10px 8px; padding: calc(env(safe-area-inset-top, 0px) + 8px) 10px 8px; background: var(--ds-page); border-bottom: 1px solid var(--ds-hairline); }
.pagetabs .btn { min-width: 0; flex: 0 0 auto; padding-left: 20px; padding-right: 20px; }
.pagetabs .gear { min-width: 52px; min-height: 52px; font-size: 26px; flex: 0 0 auto; }
@media (max-width: 700px) { .swipehint { display: none; } .pagetabs .btn { flex: 1 1 0; padding-left: 8px; padding-right: 8px; } .pagetabs .grow { display: none; } .pagetabs .gear { flex: 0 0 52px; } }
.pagetabs .stopbtn { flex: 0 0 auto; min-height: 52px; font-weight: 700; padding-left: 14px; padding-right: 14px; }
.pagetabs .stopbtn.live { background: #d3321f; color: #fff; border-color: #d3321f; }
.pagetabs .stopbtn:active { filter: brightness(1.2); }
@media (max-width: 700px) { .pagetabs .stopbtn { flex: 0 0 auto; } .pagetabs .btn[data-act=page] { padding-left: 4px; padding-right: 4px; } }

.pagetabs .rndbtn { flex: 0 0 auto; min-height: 52px; font-weight: 700; color: #fff; border: 0; background: linear-gradient(90deg, #7c5cff, #f062b0 60%, #ff8a65); padding-left: 16px; padding-right: 16px; }
@media (max-width: 700px) { .pagetabs { gap: 5px; } .pagetabs .btn[data-act=page] { font-size: 14px; } .pagetabs .stopbtn, .pagetabs .rndbtn { padding-left: 8px; padding-right: 8px; font-size: 14px; } .pagetabs .gear { flex: 0 0 46px; min-width: 46px; } }
.ico{vertical-align:-1px;margin-right:4px}.gear .ico{margin:0;vertical-align:middle}

/* v12: stronger section separation and locks bar */
.is-stage .stage { gap: 22px; }
.is-stage .prog { border: 2px solid var(--pc, #7c5cff); border-left-width: 14px; border-radius: 16px; padding: 0 12px 14px; background: color-mix(in srgb, var(--pc, #7c5cff) 16%, #0a0a10); box-shadow: 0 8px 22px rgba(0,0,0,.55); }
.is-stage .ptitle { margin: 0 -12px 12px; padding: 10px 14px; color: #fff; font-size: calc(var(--hs, 1) * 20px); letter-spacing: .02em; text-shadow: 0 1px 2px rgba(0,0,0,.45); display: flex; align-items: center; gap: 10px; }
.is-stage .ptitle .num { background: rgba(0,0,0,.35); width: 30px; height: 30px; border-radius: 15px; }
.is-stage .chord { background: rgba(0,0,0,.35); border: 2px solid rgba(255,255,255,.28); }
.is-stage .chord.on { background: #fff; color: #0c0c12; border-color: #fff; }
.is-stage .tab { background: rgba(0,0,0,.45); border-radius: 10px; padding: 8px 10px; }
.is-stage.light .prog { background: color-mix(in srgb, var(--pc, #7c5cff) 14%, #fff); color: #111; box-shadow: 0 4px 12px rgba(0,0,0,.2); }
.is-stage.light .chord { background: #fff; border: 2px solid rgba(0,0,0,.3); color: #111; }
.is-stage.light .chord.on { background: #111; color: #fff; }
.is-stage.light .tab { background: rgba(255,255,255,.8); color: #111; }
.is-stage .keyrow, .is-stage .stagetools, .is-stage .lockbar { background: rgba(255,255,255,.06); border: 1px solid var(--ds-hairline); border-radius: 14px; padding: 10px 12px; margin-bottom: 14px; }
.lockbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.lockbar .lbl { font-weight: 700; margin-right: 4px; }
.lockbar .chip { min-height: 44px; }
.hedz h2 { border-left: 6px solid #f062b0; padding-left: 10px; }
.is-stage .chords { grid-template-columns: repeat(auto-fit, minmax(calc(var(--hs, 1) * 175px), 1fr)) !important; }
.is-stage .cn { overflow-wrap: anywhere; }