/* CrateMind design tokens and base components (docs/plans/2026-10-29-redesign.md).
   Dark, one accent, hierarchy by size and space instead of borders; calm, short motion.
   Font: Medeo (OFL, licenses/Medeo-1.0.0-rc.4.1-OFL.txt): Sans for everything, Pixel (shape Circle, ELSH 20) for the wordmark and readouts, https://github.com/DNFDEVS/medeo-font v1.0.0-rc.4.1. */

@font-face { font-family: "Medeo Sans"; src: url(../fonts/MedeoSansVariable.woff2) format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Medeo Pixel"; src: url(../fonts/MedeoPixelVariable.woff) format("woff"); font-weight: 400; font-style: normal; font-display: swap; }

:root {
  color-scheme: dark;
  /* surfaces */
  --bg: #0b0b0d; --raised: #151517; --fill: #1d1d20; --fill-strong: #26262a; --hairline: rgba(255, 255, 255, .07);
  /* text */
  --text: #f2f2f4; --text-2: #a3a3ab; --text-3: #85858e; --on-light: #0b0b0d;
  /* one accent: the periwinkle of the logo's label (#7c9cff), a step lighter so small text in it reads (8.2:1 on --bg);
     the glow mixes the logo blue with the violet the accent used to be */
  --accent: #8ea2ff; --accent-soft: rgba(142, 162, 255, .14);
  --glow-blue: 124, 156, 255; --glow-violet: 154, 140, 255;
  --good: #5fd39a; --warn: #f0b45a; --bad: #ff6b6b;
  /* track sections: calm, told apart by place as much as by colour */
  --sec-intro: #56637d; --sec-buildup: #a07c48; --sec-drop: #c8697a; --sec-break: #4a7f7a; --sec-outro: #56637d; --sec-other: #3a3a40;
  /* type */
  --font-ui: "Medeo Sans", -apple-system, "Segoe UI", system-ui, sans-serif;
  --font-display: "Medeo Pixel", var(--font-ui);              /* the wordmark and the big track readouts only */
  --ff-ui: "ss05" 1, "ss07" 1;                                  /* I with serifs (not l), light arrows */
  --ff-num: "tnum" 1, "ss05" 1, "ss07" 1;
  --t-readout: 400 44px/44px var(--font-display);
  --t-display: 600 32px/36px var(--font-ui); --t-title: 600 20px/26px var(--font-ui);
  --t-body: 400 15px/22px var(--font-ui); --t-small: 400 13px/18px var(--font-ui); --t-caption: 500 11px/14px var(--font-ui);
  /* space, radius */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px;
  --r-s: 8px; --r-m: 12px; --r-l: 20px; --r-pill: 999px;
  --shadow-float: 0 16px 48px rgba(0, 0, 0, .5), inset 0 0 0 1px var(--hairline);
  /* motion */
  --ease-out: cubic-bezier(.22, 1, .36, 1); --ease-move: cubic-bezier(.65, 0, .35, 1);
  --ease-sheet: cubic-bezier(.32, .72, 0, 1); --ease-exit: cubic-bezier(.55, 0, 1, .45);
  /* durations: hover / a value changing / a block entering / a thumb or a toast / a sheet */
  --d-1: 120ms; --d-2: 160ms; --d-3: 200ms; --d-4: 240ms; --d-5: 320ms;
  --bar-h: 56px;
  /* widths: a wide page (stick, «Что дальше»), a set, a reading column (account, genres, import); side lists */
  --w-page: 1160px; --w-mid: 960px; --w-read: 720px; --w-side: 280px;
  /* rows: one line, two lines */
  --row-1: 44px; --row-2: 60px;

  /* names the older styles still use, mapped onto the tokens */
  --panel: var(--raised); --panel2: var(--fill); --line: var(--hairline); --muted: var(--text-2);
  --intro: var(--sec-intro); --buildup: var(--sec-buildup); --drop: var(--sec-drop); --breakdown: var(--sec-break); --outro: var(--sec-outro); --other: var(--sec-other);
}

* { box-sizing: border-box; }
html { background: var(--bg); }
html, body { margin: 0; color: var(--text); font: var(--t-body); font-feature-settings: var(--ff-ui); font-optical-sizing: auto; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
/* the glow: one soft light in the logo's colours at the top of the app, fixed and static (the header blurs it);
   the sign-in screen has a stronger one of its own (app.css) */
body::before { content: ""; position: fixed; z-index: -1; inset: 0 0 auto; height: 520px; pointer-events: none;
  background:
    radial-gradient(34vw 280px at 64% -60px, rgba(var(--glow-blue), .17), rgba(var(--glow-blue), .05) 55%, transparent 100%),
    radial-gradient(22vw 210px at 80% -40px, rgba(var(--glow-violet), .10), transparent 100%); }
body:has(> #appHeader[hidden])::before { content: none; }       /* the sign-in screen has its own */
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid color-mix(in srgb, var(--accent) 70%, transparent); outline-offset: 2px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
::selection { background: var(--accent-soft); }
h1, h2, h3, h4 { margin: 0; }
.num, .tnum { font-feature-settings: var(--ff-num); font-variant-numeric: tabular-nums; }
.readout { font: var(--t-readout); font-variation-settings: "ELSH" 20; font-feature-settings: "tnum" 1; font-synthesis: none; letter-spacing: 0; }
.title { font: var(--t-display); letter-spacing: -.02em; }
.sub { color: var(--text-2); margin: var(--s-1) 0 0; }
.muted { color: var(--text-2); }
.faint { color: var(--text-3); }
.small { font: var(--t-small); }
.note { color: var(--text-3); font: var(--t-small); margin: var(--s-1) 0 0; }
.err { color: var(--bad); font: var(--t-small); }
.err:empty { display: none; }
.ok-t { color: var(--good); } .warn-t { color: var(--warn); } .bad-t { color: var(--bad); }
.ic { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ic.fill { fill: currentColor; stroke: none; }
.dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--text-3); flex: none; }
.dot.good { background: var(--good); } .dot.warn { background: var(--warn); } .dot.bad { background: var(--bad); } .dot.accent { background: var(--accent); }

/* ---------- header */
.appbar { position: sticky; top: 0; z-index: 20; height: var(--bar-h); display: flex; align-items: center; gap: var(--s-4); padding: 0 var(--s-5);
  background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(160%) blur(20px); -webkit-backdrop-filter: saturate(160%) blur(20px);
  box-shadow: 0 1px 0 var(--hairline); }
.brand { font: 400 22px/1 var(--font-display); font-variation-settings: "ELSH" 20; font-synthesis: none; color: var(--text); white-space: nowrap; }
.brand:hover { text-decoration: none; }
.appbar-title { color: var(--text-2); }
.appbar-gap { flex: 1 1 auto; }
.stick-ind { display: inline-flex; align-items: center; gap: var(--s-2); color: var(--text-2); font: var(--t-small); white-space: nowrap; }
.stick-ind button { font: var(--t-small); gap: var(--s-2); }
.who { color: var(--text-2); font: var(--t-small); }

/* segmented control: a track with a thumb that slides under the active item */
.seg { position: relative; display: inline-flex; padding: 3px; background: var(--fill); border-radius: var(--r-pill); isolation: isolate; }
.seg > a, .seg > button { position: relative; z-index: 1; border: 0; background: transparent; color: var(--text-2); font: 500 14px/1 var(--font-ui);
  padding: 9px 16px; border-radius: var(--r-pill); cursor: pointer; white-space: nowrap; transition: color 160ms linear; }
.seg > a:hover, .seg > button:hover { color: var(--text); text-decoration: none; background: transparent; }
.seg > .on { color: var(--text); }
.seg-thumb { position: absolute; z-index: 0; top: 3px; bottom: 3px; left: 0; border-radius: var(--r-pill); background: var(--fill-strong);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .3); transition: transform 240ms var(--ease-move), width 240ms var(--ease-move), opacity 120ms linear; opacity: 0; }
.seg.small > a, .seg.small > button { padding: 7px 14px; font-size: 13px; }

/* account menu */
.me { position: relative; }
.me > button { gap: 6px; }
.menu { position: absolute; right: 0; top: calc(100% + 8px); min-width: 220px; padding: 6px; background: var(--raised); border-radius: var(--r-m);
  box-shadow: var(--shadow-float); display: flex; flex-direction: column; animation: pop 160ms var(--ease-out); transform-origin: top right; z-index: 30; }
.menu a, .menu button { display: block; width: 100%; text-align: left; padding: 9px 12px; border-radius: var(--r-s); color: var(--text); background: transparent; font: var(--t-body); border: 0; cursor: pointer; }
.menu a:hover, .menu button:hover { background: var(--fill); text-decoration: none; }
.menu hr { border: 0; height: 1px; background: var(--hairline); margin: 6px 4px; }
@keyframes pop { from { opacity: 0; transform: scale(.97) translateY(-4px); } }

/* ---------- buttons: pills, no borders */
button, .btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 36px; padding: 0 16px; border: 0; border-radius: var(--r-pill);
  background: var(--fill); color: var(--text); font: 500 14px/1 var(--font-ui); cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background-color 120ms linear, color 120ms linear, transform 160ms var(--ease-out), opacity 120ms linear; }
button:hover:not(:disabled), .btn:hover { background: var(--fill-strong); text-decoration: none; }
button:active:not(:disabled), .btn:active { transform: scale(.97); transition-duration: 80ms; }
button.primary, .btn.primary { background: var(--text); color: var(--on-light); font-weight: 600; }
button.primary:hover:not(:disabled), .btn.primary:hover { background: #ffffff; }
button.accent, .btn.accent { background: var(--accent); color: var(--on-light); font-weight: 600; }
button.secondary, .btn.secondary { background: var(--fill); }
button.quiet, .btn.quiet, button.link { background: transparent; color: var(--text-2); padding: 0 10px; }
button.quiet:hover:not(:disabled), .btn.quiet:hover { background: var(--fill); color: var(--text); }
button.link { height: auto; padding: 0; color: var(--accent); }
button.link:hover:not(:disabled) { background: transparent; text-decoration: underline; }
button.danger, .btn.danger { color: var(--bad); }
button.icon { width: 36px; padding: 0; }
button.wide, .btn.wide { width: 100%; height: 44px; font-size: 15px; }
button.on { background: var(--fill-strong); color: var(--text); }
button:disabled, .btn[aria-disabled=true] { background: var(--fill); color: var(--text-3); opacity: 1; cursor: default; }
button.quiet:disabled, button.link:disabled { background: transparent; }
/* play: white and round; 56 in a hero, 40 at a block's head, 32 in a row */
.play-btn { width: 40px; height: 40px; padding: 0; border-radius: 50%; background: var(--text); color: var(--on-light); }
.play-btn:hover:not(:disabled) { background: #fff; }
.play-btn .ic { width: 20px; height: 20px; }
.play-btn.lg { width: 56px; height: 56px; } .play-btn.lg .ic { width: 24px; height: 24px; }
.play-btn.sm { width: 32px; height: 32px; background: transparent; color: var(--text-2); } .play-btn.sm .ic { width: 16px; height: 16px; }
.play-btn.sm:hover:not(:disabled) { background: var(--fill); color: var(--text); }
.play-btn.nostick { opacity: .5; }
/* a verdict: a dot and a word, only when there is something to say (risky); "clean" and "normal" say nothing */
.verdict { display: inline-flex; align-items: center; gap: 6px; font: var(--t-small); color: var(--warn); white-space: nowrap; }
.verdict::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; }
.verdict.bad { color: var(--bad); }
/* one line that says the stick is not there, the same on every screen */
.need-stick { display: flex; align-items: center; gap: var(--s-3); color: var(--text-3); font: var(--t-small); }
kbd { font: 500 11px/1 var(--font-ui); font-feature-settings: var(--ff-num); color: var(--text-3); background: var(--bg); border-radius: 4px; padding: 3px 5px; }

/* ---------- fields */
input[type=text], input[type=password], input[type=search], input[type=number], input:not([type]), select, textarea {
  height: 40px; width: 100%; padding: 0 12px; border: 0; border-radius: var(--r-s); background: var(--fill); color: var(--text); font: var(--t-body);
  transition: box-shadow 120ms linear, background-color 120ms linear; }
textarea { height: auto; padding: 10px 12px; }
select { width: auto; padding-right: 30px; appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 8l4 4 4-4' fill='none' stroke='%23a3a3ab' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center; background-size: 16px; }
input::placeholder, textarea::placeholder { color: var(--text-3); }
input:focus, select:focus, textarea:focus { outline: none; box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 50%, transparent); background: var(--fill-strong); }
input[type=number]::-webkit-inner-spin-button, input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; }
input[type=checkbox] { accent-color: var(--accent); width: 16px; height: 16px; margin: 0; vertical-align: -3px; cursor: pointer; }
input[type=range] { accent-color: var(--accent); }
label.f { display: flex; flex-direction: column; gap: 6px; color: var(--text-2); font: var(--t-small); }
label.check { display: inline-flex; gap: 8px; align-items: center; cursor: pointer; }
/* a checkbox drawn as a switch */
label.switch { display: flex; gap: 12px; align-items: center; cursor: pointer; }
label.switch input { appearance: none; width: 40px; height: 24px; border-radius: 12px; background: var(--fill-strong); position: relative; flex: none; transition: background-color 200ms var(--ease-out); }
label.switch input::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: var(--text); transition: transform 200ms var(--ease-out); }
label.switch input:checked { background: var(--accent); }
label.switch input:checked::after { transform: translateX(16px); }

/* ---------- layout pieces */
.view.enter { animation: enter var(--d-3) var(--ease-out); }
@keyframes enter { from { opacity: 0; transform: translateY(6px); } }
@keyframes fade { from { opacity: 0; } }
/* a value that changed (a track's readouts, a new track's name): a short crossfade with a 3 px settle, never a counter */
@keyframes swap { from { opacity: 0; transform: translateY(3px); } }
/* rows that arrive with data settle in once, 10 ms apart, the whole list within 240 ms (ui.js stagger()) */
.stagger > * { animation: enter var(--d-2) var(--ease-out) both; }
.stagger > :nth-child(2) { animation-delay: 10ms; } .stagger > :nth-child(3) { animation-delay: 20ms; }
.stagger > :nth-child(4) { animation-delay: 30ms; } .stagger > :nth-child(5) { animation-delay: 40ms; }
.stagger > :nth-child(6) { animation-delay: 50ms; } .stagger > :nth-child(7) { animation-delay: 60ms; }
.stagger > :nth-child(8) { animation-delay: 70ms; } .stagger > :nth-child(n+9) { animation-delay: 80ms; }

/* skeletons: the shape of what is loading, so nothing jumps when it arrives. One soft light crosses all the blocks
   together (the gradient is fixed to the viewport); a fast answer never shows them (they fade in after 120 ms). */
.sk { pointer-events: none; animation: fade var(--d-4) linear 120ms both; }
.skel { display: block; height: 14px; border-radius: 6px; background-color: var(--fill); background-clip: content-box;
  background-image: linear-gradient(100deg, transparent 40%, rgba(255, 255, 255, .045) 50%, transparent 60%);
  background-size: 200vw 100%; background-attachment: fixed; background-repeat: no-repeat; animation: skel 1.2s var(--ease-move) infinite; }
@keyframes skel { from { background-position: -140vw 0; } 75%, to { background-position: 40vw 0; } }
.skel.round { border-radius: 50%; } .skel.pill { border-radius: var(--r-pill); }
/* a line of text: the block is the line box (padding, not margins: they never collapse), the grey is the glyphs' height */
.skel.t-display { height: 36px; padding: 4px 0; border-radius: 6px / 10px; } .skel.t-title { height: 26px; padding: 3px 0; border-radius: 6px / 9px; }
.skel.t-body { height: 22px; padding: 4px 0; border-radius: 6px / 10px; } .skel.t-small { height: 18px; padding: 3.5px 0; border-radius: 5px / 8.5px; }
.skel.readout { height: 44px; width: 64px; padding: 4px 0; border-radius: 8px / 12px; }
.skel.w15 { width: 15%; } .skel.w25 { width: 25%; } .skel.w35 { width: 35%; } .skel.w45 { width: 45%; } .skel.w55 { width: 55%; }
.skel.w65 { width: 65%; } .skel.w75 { width: 75%; } .skel.w100 { width: 100%; }
.page { max-width: var(--w-page); margin: 0 auto; padding: var(--s-6) var(--s-5) var(--s-8); }
.page.narrow { max-width: var(--w-read); }
.group { margin-top: var(--s-6); }
.empty { color: var(--text-2); padding: var(--s-6); text-align: center; }
.empty-state { max-width: 440px; margin: 12vh auto; text-align: center; display: grid; gap: var(--s-3); justify-items: center; }
.empty-state h2 { font: var(--t-title); }
.empty-state p { color: var(--text-2); margin: 0 0 var(--s-2); }
/* the logo's record, small and quiet, above an empty state: grooves, the periwinkle label, the light dot */
.empty-state::before, .vinyl::before { content: ""; display: block; width: 64px; height: 64px; margin: 0 auto var(--s-2); border-radius: 50%;
  background:
    radial-gradient(circle, rgba(255, 255, 255, .85) 0 2px, transparent 2.6px),
    radial-gradient(circle, rgb(var(--glow-blue)) 0 11px, transparent 11.6px),
    repeating-radial-gradient(circle, transparent 0 3px, rgba(255, 255, 255, .05) 3px 4px),
    #121216;
  box-shadow: inset 0 0 0 1px var(--hairline), 0 8px 40px rgba(var(--glow-blue), .14); }
.spin { width: 16px; height: 16px; border: 2px solid var(--fill-strong); border-top-color: var(--text-2); border-radius: 50%; animation: spin .8s linear infinite; display: inline-block; vertical-align: -3px; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
details > summary { cursor: pointer; color: var(--text-2); list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details > summary::before { content: ""; display: inline-block; width: 6px; height: 6px; margin: 0 10px 2px 2px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(-45deg); transition: transform 160ms var(--ease-out); }
details[open] > summary::before { transform: rotate(45deg); }
/* folds open smoothly where the browser can (Chrome 131+), instantly elsewhere */
:root { interpolate-size: allow-keywords; }
details::details-content { block-size: 0; overflow: hidden; opacity: 0;
  transition: block-size var(--d-3) var(--ease-out), opacity var(--d-3) linear, content-visibility var(--d-3) allow-discrete; }
details[open]::details-content { block-size: auto; opacity: 1; }
details > summary:hover { color: var(--text); }
.pbar { height: 4px; background: var(--fill); border-radius: 2px; overflow: hidden; margin-top: 6px; }
.pbar i { display: block; height: 100%; background: var(--text-2); border-radius: 2px; transition: width .3s var(--ease-out); }
.pbar.warn i { background: var(--warn); } .pbar.bad i { background: var(--bad); }
.notice { background: color-mix(in srgb, var(--warn) 10%, transparent); color: var(--text); border-radius: var(--r-m); padding: 12px 16px; margin-bottom: var(--s-4); font: var(--t-small); }
.notice.info { background: var(--fill); }
.notice.bad { background: color-mix(in srgb, var(--bad) 12%, transparent); }

/* ---------- sheet (secondary content), scrim, toast */
.scrim { position: fixed; inset: 0; z-index: 40; background: rgba(0, 0, 0, .4); opacity: 0; transition: opacity 200ms linear; }
.scrim.on { opacity: 1; }
.sheet { position: fixed; z-index: 41; top: 8px; right: 8px; bottom: 8px; width: min(440px, calc(100vw - 16px)); display: flex; flex-direction: column;
  background: var(--raised); border-radius: var(--r-l); box-shadow: var(--shadow-float); transform: translateX(calc(100% + 16px));
  transition: transform 220ms var(--ease-exit); }
.sheet.wide { width: min(640px, calc(100vw - 16px)); }
.sheet.on { transform: none; transition: transform 320ms var(--ease-sheet); }
.sheet > header { display: flex; align-items: center; gap: var(--s-3); padding: var(--s-4) var(--s-4) var(--s-2) var(--s-5); }
.sheet > header h2 { font: var(--t-title); flex: 1; }
.sheet-body { overflow-y: auto; padding: var(--s-2) var(--s-5) var(--s-5); flex: 1; }
/* what is in the sheet follows it in, a beat later (only as it opens; a redraw inside does not move) */
.sheet.opening .sheet-body > *, .sheet.opening > header h2 { animation: enter var(--d-4) var(--ease-out) 60ms both; }
.toast { position: fixed; z-index: 50; left: 50%; bottom: 24px; display: flex; align-items: center; gap: var(--s-3); padding: 10px 10px 10px 18px; max-width: calc(100vw - 32px);
  background: var(--raised); color: var(--text); border-radius: var(--r-pill); box-shadow: var(--shadow-float); font: var(--t-body);
  transform: translate(-50%, 12px); opacity: 0; transition: transform 160ms var(--ease-exit), opacity 160ms linear; }
.toast.on { transform: translate(-50%, 0); opacity: 1; transition: transform 240ms var(--ease-out), opacity 240ms var(--ease-out); }
.toast:not(:has(button)) { padding-right: 18px; }

/* non-production environments (js/envbanner.js) */
.env-badge { position: fixed; left: 12px; bottom: 12px; z-index: 60; padding: 4px 10px; border-radius: var(--r-pill); background: var(--warn); color: var(--on-light); font: 600 11px/1.2 var(--font-ui); letter-spacing: .06em; pointer-events: none; }

@media (max-width: 760px) {
  .appbar { gap: var(--s-2); padding: 0 var(--s-3); }
  .seg > a, .seg > button { padding: 8px 10px; }
  .stick-ind span:not(.dot) { display: none; }
  .brand { font-size: 18px; }
  .page { padding: var(--s-5) var(--s-4) var(--s-7); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .skel, .auth::before { animation: none !important; }
}