/* Pocket Ender — pocket-ender.org */
:root {
  --bg: #121216; --bg2: #17171d; --panel: #1d1d25; --panel2: #24242e; --line: #2c2c38; --line2: #3a3a48;
  --text: #ececf1; --dim: #b4b4c2; --muted: #8e8e9e;
  --accent: #ff8a3d; --accent2: #ffc56b; --mint: #57e3b3;
  --c-note: #f1f1f5; --c-inst: #6cc6ff; --c-vol: #57e3b3; --c-fx: #ff7ab8; --c-empty: #4a4a58;
  --r: 14px; --shadow: 0 24px 60px rgba(0, 0, 0, .45);
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif; --mono: 'JetBrains Mono', ui-monospace, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--sans); }
a { color: var(--accent2); }
img { max-width: 100%; }
.wrap { width: min(1180px, 100% - 40px); margin: 0 auto; }
.narrow { width: min(760px, 100% - 40px); }
.skip { position: absolute; left: -9999px; top: 0; background: var(--accent); color: #111; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 0; }
:focus-visible { outline: 2px solid var(--accent2); outline-offset: 2px; }

/* header */
.top { position: sticky; top: 0; z-index: 50; background: rgba(18, 18, 22, .86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; letter-spacing: .01em; font-size: 1.08rem; }
.links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.links a { color: var(--dim); text-decoration: none; font-size: .92rem; font-weight: 500; }
.links a:hover { color: var(--text); }
.links .cta { color: #16110b; background: var(--accent); padding: 8px 16px; border-radius: 999px; font-weight: 700; }
.links .cta:hover { color: #16110b; background: var(--accent2); }
.burger { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.burger span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: transform .2s; }

/* language switcher (flags) */
.lang-dd { position: relative; }
.lang-dd summary { list-style: none; display: flex; align-items: center; gap: 7px; height: 36px; padding: 0 10px; border: 1px solid var(--line2); border-radius: 999px; background: var(--panel); color: var(--text); cursor: pointer; font-size: .8rem; font-weight: 700; user-select: none; }
.lang-dd summary::-webkit-details-marker { display: none; }
.lang-dd .chev { width: 14px; height: 14px; color: var(--muted); transition: transform .15s; }
.lang-dd[open] .chev { transform: rotate(180deg); }
.flag { width: 20px; height: 14px; object-fit: cover; border-radius: 2px; box-shadow: 0 0 0 1px var(--line2); flex: none; }
.lang-list { position: absolute; right: 0; top: calc(100% + 8px); min-width: 180px; margin: 0; padding: 6px; list-style: none; background: var(--panel); border: 1px solid var(--line2); border-radius: 12px; box-shadow: var(--shadow); z-index: 60; }
.lang-list a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; color: var(--dim); text-decoration: none; font-size: .9rem; }
.lang-list a:hover, .lang-list a[aria-current] { background: var(--panel2); color: var(--text); }
.lang-list a[aria-current]::after { content: "\2713"; margin-left: auto; color: var(--accent); }

/* buttons, text */
.btn { display: inline-block; background: var(--accent); color: #16110b; font-weight: 700; text-decoration: none; padding: 12px 22px; border-radius: 999px; border: 1px solid var(--accent); cursor: pointer; font: inherit; font-weight: 700; }
.btn:hover { background: var(--accent2); border-color: var(--accent2); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line2); }
.btn.ghost:hover { border-color: var(--accent2); color: var(--accent2); }
.eyebrow { margin: 0 0 10px; color: var(--accent); font: 700 .78rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 16px; }
h1 { font-size: clamp(2.4rem, 5.2vw, 4rem); letter-spacing: -.02em; }
h1 em { font-style: normal; color: var(--accent); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); letter-spacing: -.01em; }
h3 { font-size: 1.08rem; }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: var(--dim); max-width: 56ch; margin: 0 0 28px; }
.lead.dark { color: var(--dim); }
.note { color: var(--muted); font-size: .92rem; }
.center { text-align: center; }
.small { font-size: .85rem; color: var(--muted); }

/* hero */
.hero { position: relative; overflow: hidden; padding: clamp(56px, 9vw, 110px) 0 clamp(48px, 7vw, 90px); background: radial-gradient(ellipse 50% 70% at 78% 40%, rgba(255, 138, 61, .10), transparent 70%), radial-gradient(ellipse 40% 60% at 10% 90%, rgba(108, 198, 255, .07), transparent 70%); }
.hero-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 560px); gap: 56px; align-items: center; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 18px; }

/* tracker mock */
.tracker { background: #101014; border: 1px solid var(--line2); border-radius: var(--r); box-shadow: var(--shadow); overflow: hidden; font: 500 .8rem/1 var(--mono); }
.tracker-bar { display: flex; justify-content: space-between; padding: 10px 14px; background: var(--panel); border-bottom: 1px solid var(--line); color: var(--dim); font: 600 .78rem var(--sans); }
.tracker-pat { color: var(--muted); font-family: var(--mono); }
.prompt-chip { display: flex; gap: 10px; align-items: flex-start; margin: 12px 12px 6px; padding: 10px 12px; border: 1px solid rgba(255, 138, 61, .35); background: rgba(255, 138, 61, .07); border-radius: 10px; font: .82rem/1.45 var(--sans); color: var(--text); }
.chip-label { flex: none; font: 700 .68rem var(--mono); color: var(--accent); text-transform: uppercase; letter-spacing: .08em; padding-top: 2px; }
.tracker-head, .trow { display: grid; grid-template-columns: 30px repeat(4, minmax(0, 1fr)); gap: 0 10px; padding: 0 12px; }
.tracker-head { padding-top: 8px; padding-bottom: 6px; color: var(--muted); font: 600 .7rem var(--sans); text-transform: uppercase; letter-spacing: .06em; border-bottom: 1px solid var(--line); }
.tracker-grid { padding: 4px 0 10px; }
.trow { height: 21px; align-items: center; white-space: nowrap; }
.trow .ln { color: #6d6d7c; }
.trow.beat .ln { color: var(--accent2); }
.trow.beat { background: rgba(255, 255, 255, .025); }
.trow.play { background: rgba(255, 138, 61, .16); box-shadow: inset 2px 0 0 var(--accent); }
.cell { overflow: hidden; }
.cell .n { color: var(--c-note); } .cell .i { color: var(--c-inst); } .cell .v { color: var(--c-vol); } .cell .f { color: var(--c-fx); }
.cell .e { color: var(--c-empty); }
.cell.new { animation: cellIn .35s ease; }
@keyframes cellIn { from { background: rgba(255, 197, 107, .35); } to { background: transparent; } }

/* sections */
.section { padding: clamp(64px, 9vw, 110px) 0; }
.section.alt { background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cards { list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; transition: transform .15s, border-color .15s; }
.card:hover { transform: translateY(-3px); border-color: rgba(255, 138, 61, .45); }
.card h3::before { content: ""; display: block; width: 26px; height: 4px; border-radius: 2px; background: linear-gradient(90deg, var(--accent), var(--accent2)); margin-bottom: 14px; }
.card p { margin: 0; color: var(--dim); font-size: .95rem; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 520px); gap: 56px; align-items: center; }
.steps { padding-left: 1.2em; margin: 24px 0; }
.steps li { margin-bottom: 14px; color: var(--dim); }
.steps strong { color: var(--text); }

/* panel demo */
.panel { background: #1b1b21; border: 1px solid var(--line2); border-radius: var(--r); box-shadow: var(--shadow); padding: 0 0 14px; font-size: .9rem; }
.panel-tabs { display: flex; gap: 2px; padding: 8px 8px 0; background: #15151a; border-bottom: 1px solid var(--line); border-radius: var(--r) var(--r) 0 0; }
.panel-tabs span { padding: 7px 14px; border-radius: 8px 8px 0 0; color: var(--muted); font-size: .8rem; font-weight: 600; }
.panel-tabs .on { background: #1b1b21; color: var(--text); box-shadow: inset 0 2px 0 var(--accent); }
.panel-target { margin: 10px 14px; font: .75rem var(--mono); color: var(--c-inst); }
.panel-msgs { display: flex; flex-direction: column; gap: 8px; padding: 0 14px; min-height: 300px; }
.msg { margin: 0; padding: 9px 12px; border-radius: 10px; line-height: 1.45; }
.msg.user { align-self: flex-end; max-width: 85%; background: var(--accent); color: #16110b; font-weight: 500; border-bottom-right-radius: 3px; }
.msg.bot { background: var(--panel2); color: var(--dim); max-width: 92%; border-top-left-radius: 3px; }
.msg.ok { background: rgba(87, 227, 179, .1); border: 1px solid rgba(87, 227, 179, .35); color: var(--mint); }
.diff { width: 100%; border-collapse: collapse; font-size: .82rem; }
.diff th { text-align: left; color: var(--muted); font-weight: 600; padding: 2px 8px 6px 0; }
.diff td { padding: 4px 8px 4px 0; border-top: 1px solid var(--line); color: var(--text); }
.diff td:nth-child(2) { color: var(--muted); text-decoration: line-through; text-decoration-color: rgba(255, 122, 184, .6); }
.diff td:nth-child(3) { color: var(--mint); }
.js .panel .pstep { display: none; }
.js .panel .pstep.show { display: block; animation: msgIn .35s ease; }
@keyframes msgIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* modes, points, faq */
.modes { list-style: none; padding: 0; margin: 36px 0 24px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.mode { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 26px; }
.mode h3 { color: var(--accent2); }
.mode p { color: var(--dim); margin: 0 0 10px; }
.points { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 32px; }
.points li { color: var(--dim); padding-left: 28px; position: relative; }
.points li::before { content: "\2713"; position: absolute; left: 0; color: var(--mint); font-weight: 800; }
.points strong { color: var(--text); }
.qa { border-bottom: 1px solid var(--line); padding: 4px 0; }
.qa summary { cursor: pointer; padding: 14px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; color: var(--accent); font-weight: 800; }
.qa[open] summary::after { content: "\2212"; }
.qa p { margin: 0 0 16px; color: var(--dim); }

/* form */
.form { margin-top: 28px; }
.row { display: grid; gap: 6px; margin-bottom: 16px; }
.row label { font-size: .88rem; color: var(--dim); font-weight: 600; }
.req { color: var(--accent); }
input, textarea { width: 100%; background: var(--panel); border: 1px solid var(--line2); color: var(--text); border-radius: 10px; padding: 11px 13px; font: inherit; }
input:focus, textarea:focus { border-color: var(--accent); outline: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.privacy { font-size: .82rem; color: var(--muted); line-height: 1.55; }
.form-foot { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 8px; }
.status { font-size: .9rem; }
.status.success { color: var(--mint); }
.status.error { color: #ff8f8f; }

/* footer */
.foot { padding: 36px 0 44px; border-top: 1px solid var(--line); color: var(--muted); }
.foot-in { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.foot p { margin: 0; display: inline-flex; align-items: center; gap: 8px; }

/* reveal */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* 404 */
.nf { min-height: 100vh; display: grid; place-items: center; background: radial-gradient(ellipse 50% 60% at 75% 50%, rgba(255, 138, 61, .08), transparent 70%), var(--bg); }
.nf-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 520px); gap: 56px; align-items: center; padding: 48px 0; }
.nf-copy .brand { margin-bottom: 36px; }
.nf .top-tools { position: absolute; top: 18px; right: 20px; }

@media (max-width: 980px) {
  .hero-in, .split, .nf-in { grid-template-columns: 1fr; gap: 40px; }
  .modes { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .links { position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg2); border-bottom: 1px solid var(--line); padding: 8px 20px 16px; display: none; }
  .links.open { display: flex; }
  .links a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .links .cta { text-align: center; margin-top: 10px; }
  .burger { display: block; }
  .top-in .lang-dd { margin-left: auto; }
  .points { grid-template-columns: 1fr; }
  .tracker { font-size: .68rem; }
  .tracker-head, .trow { gap: 0 6px; padding: 0 8px; grid-template-columns: 22px repeat(4, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .card, .cell.new { transition: none; animation: none; }
}

/* play button in the pattern editor bar (main.js synthesises the sounds) */
.tracker-bar { align-items: center; gap: 12px; }
.tracker-play { display: inline-flex; align-items: center; gap: 7px; margin-left: auto; padding: 5px 12px 5px 10px; border-radius: 999px; border: 1px solid rgba(255, 138, 61, .55); background: rgba(255, 138, 61, .12); color: var(--accent2); font: 700 .75rem var(--sans); cursor: pointer; }
.tracker-play:hover { background: rgba(255, 138, 61, .22); }
.tracker-play[aria-pressed="true"] { background: var(--accent); color: #16110b; border-color: var(--accent); }
.tracker-play .ico { font-size: .7rem; line-height: 1; }
@media (max-width: 520px) { .tracker-pat { display: none; } }

/* style switcher under the pattern editor bar (tracker.js) */
.style-bar { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-bottom: 1px solid var(--line); background: #141419; font: 600 .8rem var(--sans); }
.style-bar button { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; border: 1px solid var(--line2); background: var(--panel); color: var(--accent2); cursor: pointer; font-size: .7rem; }
.style-bar button:hover { border-color: var(--accent); color: var(--accent); }
.style-name { color: var(--text); min-width: 0; }
.style-bpm { color: var(--muted); font-family: var(--mono); font-size: .75rem; }
.style-bar .style-next { order: 0; }

/* "Your song, made better": example requests */
.asks { list-style: none; padding: 0; margin: 28px 0 20px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.ask { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border: 1px solid rgba(255, 138, 61, .35); background: rgba(255, 138, 61, .07); border-radius: 12px; line-height: 1.45; }
.ask .chip-label { padding-top: 3px; }
@media (max-width: 760px) { .asks { grid-template-columns: 1fr; } }