/* ===== Shared nav (also used by Beat Lab) ===== */
.top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.nav { display: flex; gap: 6px; }
.nav a {
  color: var(--muted); text-decoration: none; padding: 8px 16px; border-radius: 999px;
  background: rgba(255, 255, 255, .06); font-weight: 500;
}
.nav a.active, .nav a:hover { color: #fff; background: rgba(255, 255, 255, .14); }
.hidden { display: none !important; }

/* ===== Studio theme ===== */
:root { --c1: #ff5c8a; --c2: #7b5cff; }

body.studio-page {
  font-family: 'Outfit', system-ui, sans-serif;
  background: #0b0912;
  overflow-x: hidden;
  min-height: 100vh;
}
.studio-page .top, .hero, .studio-page .layout { position: relative; z-index: 1; }

.glow {
  position: fixed; width: 60vw; height: 60vw; border-radius: 50%;
  filter: blur(130px); opacity: .3; pointer-events: none; z-index: 0;
  transition: background-color 1.2s ease;
}
.g1 { background-color: var(--c1); top: -28vw; left: -18vw; animation: drift 18s ease-in-out infinite alternate; }
.g2 { background-color: var(--c2); bottom: -32vw; right: -18vw; animation: drift 24s ease-in-out infinite alternate-reverse; }
@keyframes drift { to { transform: translate(9vw, 7vw) scale(1.2); } }

.logo { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.4rem; }

/* ===== Hero ===== */
.hero { text-align: center; padding: 40px 20px 30px; max-width: 820px; margin: 0 auto; }
.hero h1 {
  font-family: 'Syne', sans-serif; font-weight: 800; line-height: 1.05; margin: 0;
  font-size: clamp(2.2rem, 6vw, 4.2rem); letter-spacing: -.02em;
}
.grad {
  background: linear-gradient(90deg, var(--c1), var(--c2), var(--c1));
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine 6s linear infinite;
}
@keyframes shine { to { background-position: 200% center; } }
.hero p { color: #b9b3cc; font-size: 1.1rem; margin: 18px auto 26px; max-width: 620px; line-height: 1.5; }
.hero .sub { font-size: .9rem; margin: 14px 0 0; color: var(--muted); }

.surprise {
  position: relative; overflow: hidden; border: 0; cursor: pointer;
  font: 700 1.35rem 'Outfit', sans-serif; color: #fff;
  padding: 20px 46px; border-radius: 999px;
  background: linear-gradient(120deg, var(--c1), var(--c2));
  box-shadow: 0 18px 50px -12px var(--c1), inset 0 0 0 1px rgba(255, 255, 255, .25);
  transition: transform .2s, box-shadow .2s;
}
.surprise:hover { transform: translateY(-3px) scale(1.04); box-shadow: 0 24px 60px -10px var(--c1), inset 0 0 0 1px rgba(255, 255, 255, .4); }
.surprise:active { transform: scale(.97); }
.surprise::after {
  content: ''; position: absolute; top: 0; left: -60%; width: 40%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .45), transparent);
  transform: skewX(-20deg); animation: sweep 3.2s ease-in-out infinite;
}
@keyframes sweep { 0%, 60% { left: -60%; } 100% { left: 130%; } }
.surprise.spin span { display: inline-block; animation: wobble .5s; }
@keyframes wobble { 30% { transform: rotate(-8deg) scale(1.1); } 60% { transform: rotate(6deg); } }

/* ===== Layout ===== */
.studio-page .layout { grid-template-columns: 1fr 270px; padding-top: 10px; }
.main-col { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.studio-page .library, .picker, .stage {
  background: rgba(22, 18, 34, .72);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 22px;
}
.picker { padding: 22px; }
.studio-page .library { padding: 20px; align-self: start; position: sticky; top: 16px; }

/* ===== Style picker ===== */
.picker-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; margin-bottom: 8px; }
.picker-head h2 { font-family: 'Syne', sans-serif; margin: 0; font-size: 1.4rem; }
.options { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.opt { display: flex; flex-direction: column; gap: 4px; font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
select {
  padding: 10px 12px; border-radius: 12px; border: 1px solid rgba(255, 255, 255, .1);
  background: rgba(0, 0, 0, .35); color: var(--text); font: inherit; font-size: .95rem;
  text-transform: none; letter-spacing: 0;
}
.group-title {
  margin: 22px 0 12px; font-size: .8rem; text-transform: uppercase; letter-spacing: .14em; color: var(--muted);
  display: flex; align-items: center; gap: 10px;
}
.group-title::after { content: ''; flex: 1; height: 1px; background: rgba(255, 255, 255, .08); }
.vibe-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 12px; }

.vibe {
  position: relative; overflow: hidden; text-align: left; cursor: pointer;
  min-height: 118px; padding: 16px; border-radius: 18px; border: 0;
  color: #fff; font: inherit;
  background: linear-gradient(140deg, var(--a), var(--b));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .15);
  display: flex; flex-direction: column; justify-content: flex-end; gap: 2px;
  transition: transform .25s cubic-bezier(.2, .9, .3, 1.4), box-shadow .25s, filter .25s;
  filter: saturate(.85) brightness(.9);
}
.vibe::before { /* readability shade */
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, .55), transparent 70%);
}
.vibe > * { position: relative; }
.vibe .icon {
  position: absolute; top: 10px; right: 10px; font-size: 2.4rem;
  transform: rotate(12deg); transition: transform .35s cubic-bezier(.2, .9, .3, 1.6);
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, .35));
}
.vibe b { font-size: 1.05rem; font-weight: 700; }
.vibe small { opacity: .85; font-size: .8rem; }
.vibe:hover { transform: translateY(-5px) rotate(-1deg); filter: none; }
.vibe:hover .icon { transform: rotate(-10deg) scale(1.2); }
.vibe.selected {
  filter: none; transform: translateY(-3px);
  box-shadow: 0 0 0 3px #fff, 0 16px 40px -12px var(--a);
}
.vibe.selected::after {
  content: '✓'; position: absolute; top: 10px; left: 12px; width: 24px; height: 24px; border-radius: 50%;
  background: #fff; color: #111; font-weight: 800; display: grid; place-items: center; font-size: .8rem;
}

/* ===== Buttons ===== */
.btn { border-radius: 12px; font-family: inherit; font-weight: 500; background: rgba(255, 255, 255, .08); }
.btn.primary { background: linear-gradient(120deg, var(--c1), var(--c2)); box-shadow: 0 8px 24px -10px var(--c1); }
.btn.big { padding: 12px 26px; font-size: 1.05rem; }
.btn:disabled { opacity: .5; cursor: wait; }

/* ===== Stage (the song) ===== */
.stage { padding: 24px; box-shadow: 0 40px 90px -50px var(--c1); animation: rise .5s ease; }
@keyframes rise { from { opacity: 0; transform: translateY(20px); } }
.stage-top { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: flex-start; }
.stage-title { flex: 1; min-width: 220px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .75rem; color: var(--c1); font-weight: 700; }
.song-name {
  width: 100%; font: 800 clamp(1.3rem, 5.5vw, 2rem) 'Syne', sans-serif; padding: 2px 6px; margin: 2px 0 0 -6px;
  background: transparent; border: 1px solid transparent; border-radius: 10px; color: #fff;
}
.song-name:hover, .song-name:focus { border-color: rgba(255, 255, 255, .15); outline: none; }
.meta { color: #b9b3cc; font-size: .92rem; }
.code {
  display: flex; flex-direction: column; gap: 2px; text-align: right;
  color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em;
  background: rgba(0, 0, 0, .3); padding: 10px 14px; border-radius: 12px;
}
.code b { color: #fff; font: 600 1rem ui-monospace, Consolas, monospace; letter-spacing: .06em; text-transform: none; }

.stage-mid { display: grid; grid-template-columns: minmax(220px, 1fr) 1.1fr; gap: 16px; align-items: center; margin: 10px 0 14px; }
@media (max-width: 700px) { .stage-mid { grid-template-columns: 1fr; } }
.viz { width: 100%; height: 280px; display: block; }
.chapter-box { padding: 10px 6px; }
.chapter-no { font-size: .8rem; text-transform: uppercase; letter-spacing: .16em; color: var(--c1); font-weight: 700; }
.chapter-title { font: 800 clamp(1.8rem, 4vw, 2.8rem) 'Syne', sans-serif; line-height: 1.05; margin: 6px 0; }
.chapter-role { color: var(--muted); font-size: .95rem; }
.pop { animation: pop .6s cubic-bezier(.2, .9, .3, 1.3); }
@keyframes pop { from { opacity: 0; transform: translateY(14px) scale(.96); filter: blur(4px); } }

.timeline {
  position: relative; display: flex; height: 54px; border-radius: 14px; overflow: hidden; cursor: pointer;
  background: rgba(255, 255, 255, .05); gap: 3px;
}
.sec {
  display: flex; align-items: flex-end; padding: 6px 8px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
  font-size: .72rem; font-weight: 600; color: #fff; opacity: .45; transition: opacity .3s; min-width: 0;
  border-radius: 6px;
}
.sec span { overflow: hidden; text-overflow: ellipsis; }
.sec.current { opacity: 1; }
.sec.intro, .sec.outro, .sec.tail { background: rgba(255, 255, 255, .14); }
.sec.verse { background: color-mix(in srgb, var(--c2) 75%, #000); }
.sec.build { background: linear-gradient(90deg, color-mix(in srgb, var(--c2) 75%, #000), var(--c1)); }
.sec.chorus { background: var(--c1); }
.sec.break { background: rgba(255, 255, 255, .24); }
.sec.solo { background: repeating-linear-gradient(135deg, var(--c2) 0 8px, color-mix(in srgb, var(--c2) 60%, #000) 8px 16px); }
.playhead {
  position: absolute; top: 0; bottom: 0; width: 3px; left: 0; background: #fff;
  box-shadow: 0 0 14px #fff; pointer-events: none; z-index: 2; border-radius: 2px;
}

.transport { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 16px; }
.time { font-variant-numeric: tabular-nums; color: #b9b3cc; min-width: 92px; }

.tweaks {
  display: flex; flex-wrap: wrap; gap: 18px; align-items: center;
  margin-top: 16px; padding: 14px; background: rgba(0, 0, 0, .28); border-radius: 14px;
}
.tweak { color: var(--muted); font-size: .9rem; display: flex; gap: 8px; align-items: center; }
.tweak input { accent-color: var(--c1); }
.layer-toggles { display: flex; gap: 6px; flex-wrap: wrap; }
.layer-btn {
  border: 1px solid rgba(255, 255, 255, .15); background: rgba(255, 255, 255, .1); color: #fff;
  border-radius: 999px; padding: 6px 13px; cursor: pointer; font: inherit; font-size: .85rem;
}
.layer-btn.off { background: transparent; color: var(--muted); text-decoration: line-through; }

.sec.post { background: linear-gradient(90deg, var(--c1), color-mix(in srgb, var(--c1) 60%, #fff)); }

/* ===== Gear rack + audit ===== */
.gear-rack, .audit-wrap { margin-top: 16px; padding: 16px; background: rgba(0, 0, 0, .28); border-radius: 14px; }
.panel-title { font-weight: 700; margin-bottom: 12px; }
.panel-title small { color: var(--muted); font-weight: 400; margin-left: 8px; }
.gear-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.gear-grid label { display: flex; flex-direction: column; gap: 4px; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.gear-grid select { width: 100%; }
.concepts { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.concept {
  border: 1px solid rgba(255, 255, 255, .15); background: rgba(255, 255, 255, .06); color: #fff;
  border-radius: 12px; padding: 8px 12px; cursor: pointer; font: inherit; font-size: .85rem; text-align: left;
}
.concept b { display: block; font-size: 1.1rem; }
.concept.active { background: linear-gradient(120deg, var(--c1), var(--c2)); border-color: transparent; }
.audit { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 8px 18px; }
.score { font-size: .85rem; }
.score-top { display: flex; justify-content: space-between; gap: 8px; }
.score-top b { font-variant-numeric: tabular-nums; }
.score-bar { height: 6px; border-radius: 3px; background: rgba(255, 255, 255, .1); margin: 4px 0 2px; overflow: hidden; }
.score-bar i { display: block; height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--c2), var(--c1)); }
.score-bar i.low { background: #ff6b6b; }
.score small { color: var(--muted); font-size: .75rem; }

/* ===== Library ===== */
.studio-page .library h2 { font-family: 'Syne', sans-serif; }
#trackList .t-icon { margin-right: 8px; }
#trackList .t-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.studio-page #trackList li:hover, .studio-page #trackList li.active { background: rgba(255, 255, 255, .08); }
.studio-page #trackList li.active { outline-color: var(--c1); }

@media (max-width: 860px) {
  .studio-page .layout { grid-template-columns: 1fr; }
  .studio-page .library { position: static; }
}

/* =====================================================================
   Design system v2 — one look for every page, responsive for every screen
   ===================================================================== */
:root { --radius: 18px; --tap: 44px; --ease: cubic-bezier(.2, .8, .2, 1); }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { overflow-x: hidden; }
img, canvas, svg { max-width: 100%; }

/* ---------- Header + top navigation ---------- */
.top {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px clamp(14px, 3vw, 28px);
  background: rgba(11, 9, 18, .72); backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.top > div:first-child h1 { font-size: 1.4rem; }
.logo-link { color: inherit; text-decoration: none; }
.logo { font-family: 'Syne', 'Outfit', system-ui, sans-serif; font-weight: 800; font-size: 1.3rem; letter-spacing: -.01em; white-space: nowrap; }
.nav { display: flex; gap: 4px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a.navlink {
  position: relative; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  min-height: 38px; padding: 0 14px; border-radius: 999px; font-size: .9rem; font-weight: 500;
  color: var(--muted); background: transparent; text-decoration: none; transition: background .2s, color .2s;
}
.nav a.navlink:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.nav a.navlink.active { color: #fff; background: rgba(255, 255, 255, .14); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12); }
.nav .ni { font-size: 1rem; line-height: 1; }
.nbadge {
  font-style: normal; font-size: .6rem; font-weight: 800; letter-spacing: .06em; padding: 2px 6px; border-radius: 999px;
  color: #111; background: linear-gradient(120deg, #ffbe0b, #ff006e);
}

/* ---------- Phone tab bar ---------- */
.tabbar { display: none; }
@media (max-width: 760px) {
  .nav { display: none; }
  .top { justify-content: center; padding: 10px 14px; }
  .tabbar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    display: grid; grid-template-columns: repeat(7, 1fr);
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
    background: rgba(14, 11, 22, .92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-top: 1px solid rgba(255, 255, 255, .08);
  }
  .tab {
    position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
    min-height: 52px; border-radius: 14px; text-decoration: none; color: var(--muted); font-size: .64rem; font-weight: 600;
  }
  .tab .ni { font-size: 1.25rem; transition: transform .25s var(--ease); }
  .tab.active { color: #fff; background: rgba(255, 255, 255, .08); }
  .tab.active .ni { transform: translateY(-2px) scale(1.12); }
  .tab .nbadge { position: absolute; top: 2px; right: 6px; font-size: .5rem; padding: 1px 4px; }
  body.has-tabbar { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }
}

/* ---------- Typography & hero ---------- */
.hero { padding: clamp(28px, 6vw, 56px) 16px clamp(18px, 4vw, 30px); }
.hero h1 { font-size: clamp(2rem, 7vw, 4.2rem); }
.hero p { font-size: clamp(.98rem, 2.4vw, 1.1rem); }
@media (max-width: 480px) { .hero p { margin: 12px auto 18px; } }

/* ---------- Buttons: one system, big enough to tap ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: var(--tap); padding: 0 16px; border: 1px solid rgba(255, 255, 255, .1); border-radius: 12px;
  color: #fff; background: rgba(255, 255, 255, .07); font: 500 .92rem 'Outfit', system-ui, sans-serif; cursor: pointer;
  text-decoration: none; transition: transform .15s var(--ease), background .2s, box-shadow .2s, filter .2s;
}
.btn:hover { background: rgba(255, 255, 255, .13); }
.btn:active { transform: scale(.97); }
.btn.primary { border-color: transparent; background: linear-gradient(120deg, var(--c1, #ff5c8a), var(--c2, #7b5cff)); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.big { min-height: 52px; padding: 0 26px; font-size: 1.02rem; }
.surprise { min-height: 56px; }
:where(a, button, input, select, [tabindex]):focus-visible { outline: 2px solid #fff; outline-offset: 2px; border-radius: 10px; }

/* ---------- Layout: never overflow a small screen ---------- */
.studio-page .layout { padding-left: clamp(12px, 3vw, 24px); padding-right: clamp(12px, 3vw, 24px); }
.wrap { padding-left: clamp(12px, 3vw, 16px); padding-right: clamp(12px, 3vw, 16px); }
.vibe-grid, .presets, .grid, .dirs, .results, .eg-mine, .moves, .gear-grid, .audit, .shots, .rows, .qc-grid {
  grid-template-columns: repeat(auto-fill, minmax(min(var(--min, 170px), 100%), 1fr)) !important;
}
.grid, .eg-mine { --min: 270px; }
.dirs { --min: 210px; }
.presets { --min: 160px; }
.results:not(.single) { --min: 250px; }
.results.single { grid-template-columns: 1fr !important; }
.audit, .shots, .moves { --min: 230px; }
.rows { --min: 300px; }
@media (max-width: 600px) {
  .vibe-grid, .presets, .dirs { --min: 140px; }
  .dir { min-height: 128px; }
  .dir small { display: none; }
  .vibe { min-height: 104px; }
  .stage, .picker, .panel, .box, .group, .eg { padding: 16px !important; border-radius: 18px !important; }
  .song-name { font-size: 1.4rem; }
  .transport .btn, .eg-btns .btn, .track-btns .btn, .beat-btns .btn { flex: 1 1 auto; }
  .chapter-title { font-size: 1.6rem !important; }
  .viz { height: 220px !important; }
  .picker-head { flex-direction: column; align-items: stretch; }
  .options { flex-direction: column; align-items: stretch; }
  .options .opt, .options select { width: 100%; }
  .bar { flex-direction: column; align-items: stretch !important; }
  .search { min-width: 0 !important; width: 100%; }
}

/* ---------- Beat Lab grid on small screens ---------- */
.layout > * { min-width: 0; }
@media (max-width: 600px) {
  .layout { padding: 12px; gap: 14px; }
  .row { gap: 2px; }
  .label { width: 40px; font-size: .62rem; padding-right: 4px; }
  .cell { flex: 1 1 0; min-width: 0; height: 30px; border-radius: 4px; }
  .cell:nth-of-type(4n+2) { margin-left: 2px; }
  .controls .btn, .save-row .btn { flex: 1 1 auto; }
  .tempo { width: 100%; }
  .tempo input { flex: 1; }
}

/* ---------- Drawers become full-screen sheets on phones ---------- */
@media (max-width: 760px) {
  .drawer { align-items: flex-end; }
  .drawer-panel { width: 100% !important; height: 92vh !important; border-left: 0 !important; border-radius: 22px 22px 0 0; animation: sheet .35s var(--ease); }
  .bp-head { border-radius: 22px 22px 0 0; padding: 20px 18px !important; }
  .bp-head h2 { font-size: 1.35rem !important; padding-right: 40px; }
  .kv { grid-template-columns: 1fr !important; }
}
@keyframes sheet { from { transform: translateY(40px); opacity: 0; } }

/* ---------- Home launcher ---------- */
.launch { position: relative; z-index: 1; max-width: 1240px; margin: 0 auto 8px; padding: 0 clamp(12px, 3vw, 24px); }
.launch h2 { font: 800 1.1rem 'Syne', sans-serif; margin: 0 0 10px; color: #cfc9e0; }
.launch-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(230px, 100%), 1fr)); gap: 12px; }
.tool {
  position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 4px; min-height: 128px; padding: 18px;
  border-radius: var(--radius); text-decoration: none; color: #fff; background: linear-gradient(140deg, var(--a), var(--b));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12); transition: transform .25s var(--ease), box-shadow .25s;
}
.tool::before { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0, 0, 0, .55), rgba(0, 0, 0, .05)); }
.tool > * { position: relative; }
.tool .t-ic { font-size: 2rem; }
.tool b { font: 800 1.1rem 'Syne', sans-serif; }
.tool span { font-size: .85rem; opacity: .9; }
.tool .nbadge { position: absolute; top: 14px; right: 14px; }
.tool:hover { transform: translateY(-4px); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .25), 0 18px 40px -20px var(--a); }

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}