:root {
  --bg: #0d1214;
  --card: rgba(19, 28, 30, .78);
  --card2: rgba(255, 255, 255, .045);
  --line: rgba(140, 225, 208, .15);
  --line2: rgba(140, 225, 208, .3);
  --text: #e8f4f2;
  --dim: #8fa6a3;
  --teal: #2fd3b6;
  --teal2: #7cf0da;
  --ink: #03211c;
  --yellow: #f3e17a;
  --pink: #ff8b98;
  --glass: linear-gradient(155deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .015));
  --head: "Gill Sans", "Gill Sans MT", Candara, "Segoe UI", system-ui, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font: 16px/1.5 "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
  font-variant-numeric: lining-nums;
  background:
    radial-gradient(900px 760px at -6% 28%, rgba(30, 122, 113, .45), transparent 66%),
    radial-gradient(760px 520px at 104% -8%, rgba(26, 84, 90, .38), transparent 62%),
    var(--bg);
  background-attachment: fixed;
}
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ic { width: 22px; height: 22px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.ic .k, .sprite .k { fill: #0d1214; }
[hidden] { display: none !important; }

/* ---------- каркас ---------- */
.app { display: grid; grid-template-columns: 250px minmax(0, 1fr) 430px; gap: 22px; max-width: 1640px; margin: 0 auto; padding: 22px; align-items: start; }

.side {
  position: sticky; top: 22px; height: calc(100vh - 44px); overflow: auto;
  display: flex; flex-direction: column; gap: 18px; padding: 20px 14px 16px;
  border: 1px solid var(--line); border-radius: 30px;
  background: linear-gradient(185deg, rgba(40, 132, 122, .38), rgba(20, 34, 36, .62) 48%, rgba(14, 20, 22, .6));
  backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: center; gap: 12px; padding: 0 8px; }
.logo { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: linear-gradient(135deg, var(--teal2), var(--teal) 55%, #1f9c8a); color: var(--ink); font: 800 16px var(--head); }
.brand-t { display: flex; flex-direction: column; line-height: 1.15; }
.brand-t b { font: 600 21px var(--head); letter-spacing: .04em; }
.brand-t small { color: var(--dim); font-size: 12px; letter-spacing: .06em; }

.nav { display: flex; flex-direction: column; gap: 4px; }
.nav button {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  padding: 10px 14px; border: 0; border-radius: 999px; background: none; color: #cfe3e0;
  font: 500 15px var(--head); letter-spacing: .03em; cursor: pointer; white-space: nowrap;
  transition: background .15s, color .15s;
}
.nav button:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.nav button[aria-selected="true"] {
  color: #fff;
  background: linear-gradient(90deg, rgba(47, 211, 182, .6), rgba(47, 211, 182, .07) 92%);
  box-shadow: inset 0 0 0 1px rgba(124, 240, 218, .32), 0 8px 26px rgba(47, 211, 182, .12);
}
.nav button[data-off="1"] { opacity: .5; }
.nl { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.nb { font: 600 11px/1 system-ui, sans-serif; font-style: normal; min-width: 22px; padding: 4px 7px; border-radius: 999px; text-align: center; background: rgba(47, 211, 182, .2); color: var(--teal2); }
.nb:empty { display: none; }
.reset { margin-top: auto; display: flex; align-items: center; gap: 10px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; background: none; color: var(--dim); font: 500 14px var(--head); cursor: pointer; }
.reset:hover { color: var(--text); border-color: var(--line2); }
.reset .ic { width: 18px; height: 18px; }

.stage { min-width: 0; scroll-margin-top: 76px; }
.panel {
  padding: 28px 30px 26px; border: 1px solid var(--line); border-radius: 28px;
  background: var(--glass), var(--card); backdrop-filter: blur(10px);
  animation: rise .25s ease both;
}
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.phead { margin-bottom: 18px; }
h1 { margin: 0 0 6px; font: 300 32px/1.15 var(--head); letter-spacing: .05em; }
h2 { margin: 0; font: 300 24px var(--head); letter-spacing: .05em; }
h3 { margin: 22px 0 10px; font: 600 12px var(--head); color: var(--dim); text-transform: uppercase; letter-spacing: .14em; }
.hint { margin: 0; color: var(--dim); font-size: 14px; max-width: 78ch; }
.hint.small { font-size: 13px; margin: 4px 0 8px; }

.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 4px 28px; }
.cols > div > h3:first-child { margin-top: 8px; }
.group-name { margin: 14px 0 7px; font: 600 12px var(--head); color: var(--dim); text-transform: uppercase; letter-spacing: .14em; }
.group-name:first-child { margin-top: 8px; }

/* ---------- выключенные разделы ---------- */
.offnote { display: none; margin: 0 0 6px; padding: 14px 16px; border: 1px dashed var(--line2); border-radius: 16px; color: var(--dim); font-size: 14px; }
.panel[data-off="1"] .offnote { display: block; }
.panel[data-off="1"] .panel-body { display: none; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--teal2); font: inherit; text-decoration: underline; cursor: pointer; }

/* ---------- элементы управления ---------- */
.chips, .seg { display: flex; flex-wrap: wrap; gap: 8px; }
.chip, .seg button {
  min-height: 36px; padding: 6px 15px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--card2); color: var(--text); font: 500 14px var(--head); letter-spacing: .02em; cursor: pointer;
  transition: border-color .15s, background .15s;
}
.chip:hover, .seg button:hover { border-color: var(--teal); background: rgba(47, 211, 182, .1); }
.chip[aria-pressed="true"], .seg button[aria-checked="true"] {
  background: linear-gradient(135deg, var(--teal2), var(--teal)); border-color: transparent; color: var(--ink); font-weight: 700;
  box-shadow: 0 4px 16px rgba(47, 211, 182, .22);
}
.seg.big { gap: 12px; }
.seg.big button { min-height: 64px; padding: 14px 26px; border-radius: 22px; font-size: 17px; }
.modehelp { margin: 22px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; color: var(--dim); font-size: 14px; }
.modehelp b { color: var(--text); font-weight: 600; }

.field { display: block; margin-top: 18px; font-size: 14px; color: var(--dim); }
.field:first-of-type { margin-top: 0; }
input[type="text"], input[type="number"], select, textarea {
  display: block; width: 100%; margin-top: 7px; padding: 11px 14px;
  border: 1px solid var(--line); border-radius: 16px; background: rgba(0, 0, 0, .28); color: var(--text); font: inherit;
}
input::placeholder, textarea::placeholder { color: #5f7370; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(47, 211, 182, .18); }
select option { background: #131c1e; color: var(--text); }
textarea { resize: vertical; min-height: 96px; line-height: 1.5; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-bottom: 16px; }
.grid3 .field { margin-top: 0; }

.check { display: flex; align-items: center; gap: 10px; margin-top: 18px; font-size: 15px; cursor: pointer; }
.check input { width: 20px; height: 20px; accent-color: var(--teal); }

.slider { margin-top: 24px; }
.slider label { display: flex; justify-content: space-between; font: 500 15px var(--head); letter-spacing: .04em; color: var(--dim); }
.slider output { color: var(--teal2); font-weight: 700; }
input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 6px; margin: 14px 0 4px; border-radius: 999px; cursor: pointer;
  background: linear-gradient(90deg, var(--teal) var(--p, 50%), rgba(255, 255, 255, .12) var(--p, 50%));
}
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: #0d1214; border: 3px solid var(--teal2); box-shadow: 0 0 0 5px rgba(47, 211, 182, .16); }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: #0d1214; border: 3px solid var(--teal2); box-shadow: 0 0 0 5px rgba(47, 211, 182, .16); }
input[type="range"]::-moz-range-track { height: 6px; border-radius: 999px; background: rgba(255, 255, 255, .12); }
input[type="range"]::-moz-range-progress { height: 6px; border-radius: 999px; background: var(--teal); }

:focus-visible { outline: 2px solid var(--teal2); outline-offset: 2px; }

.btn { min-height: 42px; padding: 10px 22px; border: 0; border-radius: 999px; background: linear-gradient(135deg, var(--teal2), var(--teal)); color: var(--ink); font: 700 15px var(--head); letter-spacing: .03em; cursor: pointer; box-shadow: 0 6px 20px rgba(47, 211, 182, .2); }
.btn:hover { filter: brightness(1.07); }
.btn.ghost { background: none; color: var(--text); border: 1px solid var(--line2); font-weight: 500; box-shadow: none; }
.btn.ghost:hover { border-color: var(--teal); }
.btn.small { min-height: 32px; padding: 4px 14px; font-size: 13px; }
.btn.danger { background: var(--pink); color: #2a0a0f; box-shadow: none; }
.btn[disabled] { opacity: .45; cursor: not-allowed; filter: none; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

.pager { display: flex; justify-content: space-between; gap: 10px; margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--line); }
.pager .btn:only-child { margin-left: auto; }

/* ---------- пресеты ---------- */
.presets { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px; }
.preset { text-align: left; padding: 14px 16px; border: 1px solid var(--line); border-radius: 20px; background: var(--glass); color: var(--text); font: inherit; cursor: pointer; transition: border-color .15s, box-shadow .15s, transform .15s; }
.preset:hover { border-color: var(--teal); box-shadow: 0 8px 26px rgba(47, 211, 182, .13); transform: translateY(-2px); }
.preset b { display: block; font: 600 16px var(--head); letter-spacing: .03em; }
.preset span { display: block; margin-top: 4px; color: var(--dim); font-size: 13px; line-height: 1.4; }

/* ---------- избранное ---------- */
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.pill { display: inline-block; padding: 3px 9px; border-radius: 999px; background: rgba(47, 211, 182, .18); color: var(--teal2); font: 600 11px/1 system-ui, sans-serif; font-style: normal; vertical-align: middle; text-transform: none; letter-spacing: 0; }
.pill:empty { display: none; }
.pill.dirty { background: rgba(243, 225, 122, .16); color: var(--yellow); }
.favnew { display: flex; flex-wrap: wrap; gap: 10px; }
.favnew input { flex: 1 1 240px; margin-top: 0; }
.favmsg { min-height: 20px; margin: 10px 0 0; font-size: 13px; color: var(--dim); }
.favmsg.ok { color: var(--teal2); }
.favmsg.warn { color: var(--yellow); }
.favmsg.bad { color: var(--pink); }
.favlist { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 10px; }
.fav { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 20px; background: var(--glass); }
.fav.active { border-color: var(--teal); box-shadow: 0 0 0 1px rgba(47, 211, 182, .25), 0 8px 26px rgba(47, 211, 182, .1); }
.fav-main { flex: 1 1 220px; min-width: 0; text-align: left; padding: 4px 2px; border: 0; background: none; color: var(--text); font: inherit; cursor: pointer; }
.fav-main b { display: block; font: 600 16px var(--head); letter-spacing: .03em; overflow-wrap: anywhere; }
.fav-main span { display: block; margin-top: 2px; color: var(--dim); font-size: 13px; overflow-wrap: anywhere; }
.fav-main:hover b { color: var(--teal2); }
.fav-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.fav-input { flex: 1 1 220px; margin-top: 0; padding: 8px 12px; }
.favtools { margin-top: 16px; }

.favbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-top: 14px; padding: 12px 14px; border: 1px solid var(--teal); border-radius: 18px; background: rgba(47, 211, 182, .08); }
.favbar-name { font-size: 14px; overflow-wrap: anywhere; }
.favbar-btns { display: flex; gap: 6px; }

/* ---------- разбор трека ---------- */
.found { display: grid; gap: 8px; }
.fgroup { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; }
.fname { min-width: 120px; color: var(--dim); font: 500 13px var(--head); letter-spacing: .04em; }
.tagx { padding: 4px 12px; border: 1px solid rgba(47, 211, 182, .4); border-radius: 999px; background: rgba(47, 211, 182, .1); font-size: 13px; overflow-wrap: anywhere; }
.unk { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.unk li { padding: 4px 12px; border: 1px dashed var(--line2); border-radius: 999px; color: var(--dim); font-size: 13px; overflow-wrap: anywhere; }

.timeline { list-style: none; margin: 8px 0 18px; padding: 0; display: grid; gap: 0; }
.tl { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 12px; position: relative; padding-bottom: 14px; }
.tl:not(:last-child)::before { content: ""; position: absolute; left: 16px; top: 34px; bottom: 0; width: 2px; background: linear-gradient(180deg, rgba(47, 211, 182, .5), rgba(47, 211, 182, .08)); }
.tl-n { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--teal); border-radius: 50%; background: rgba(47, 211, 182, .12); color: var(--teal2); font: 700 14px var(--head); }
.tl-b { min-width: 0; padding-top: 4px; }
.tl-h { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.tl-h b { font: 600 16px var(--head); letter-spacing: .03em; }
.tl-h em { color: var(--dim); font-size: 12px; font-style: normal; }
.tl-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tl-note { margin: 6px 0 0; color: var(--dim); font-size: 13px; overflow-wrap: anywhere; }
.skel-head { margin-top: 6px; }
.skel-head h3 { margin: 0; }

/* ---------- результат ---------- */
.result-in {
  position: sticky; top: 22px; max-height: calc(100vh - 44px); overflow: auto; padding: 24px 24px 22px;
  border: 1px solid var(--line); border-radius: 28px; background: var(--glass), var(--card); backdrop-filter: blur(10px);
}
.result-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 10px; }
.opts { display: flex; flex-wrap: wrap; gap: 10px; }
.mini { color: var(--dim); font-size: 12px; }
.mini select { margin-top: 3px; padding: 6px 10px; border-radius: 12px; font-size: 13px; }

.warns { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 6px; }
.warns:empty { display: none; }
.warns li { padding: 9px 12px; border: 1px solid rgba(243, 225, 122, .35); border-radius: 14px; background: rgba(243, 225, 122, .08); color: var(--yellow); font-size: 13px; }
.warns li.bad { border-color: rgba(255, 139, 152, .4); background: rgba(255, 139, 152, .09); color: var(--pink); }
.warns li.info { border-color: rgba(47, 211, 182, .3); background: rgba(47, 211, 182, .08); color: var(--teal2); }
.warns li.ok { border-color: rgba(47, 211, 182, .4); background: rgba(47, 211, 182, .12); color: var(--teal2); }

.block { margin-top: 18px; }
.block-head { display: flex; align-items: center; gap: 10px; }
.block-head h3 { flex: 1; margin: 0; color: var(--text); font: 600 15px var(--head); letter-spacing: .05em; text-transform: none; }
.count { color: var(--dim); font-size: 12px; font-variant-numeric: tabular-nums; }
.count.near { color: var(--yellow); }
.count.over { color: var(--pink); font-weight: 700; }
.out { min-height: 44px; margin: 6px 0 0; padding: 11px 14px; border: 1px solid var(--line); border-radius: 16px; background: rgba(0, 0, 0, .34); color: #dff6f1; white-space: pre-wrap; word-break: break-word; font: 13px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 10px 0 0; font-size: 14px; }
.dl dt { color: var(--dim); }
.dl dd { margin: 0; color: var(--teal2); font-weight: 700; }
.advice { margin: 10px 0 0; color: var(--dim); font-size: 14px; }

.toast { position: fixed; left: 50%; bottom: 24px; z-index: 30; max-width: min(560px, calc(100vw - 32px)); margin: 0; padding: 12px 20px; transform: translateX(-50%); border: 1px solid var(--line2); border-radius: 999px; background: rgba(13, 18, 20, .94); color: var(--teal2); font-size: 14px; box-shadow: 0 10px 34px rgba(0, 0, 0, .5); backdrop-filter: blur(8px); }
.toast:empty { display: none; }
.jump { display: none; position: fixed; right: 14px; bottom: 14px; z-index: 20; padding: 11px 18px; border-radius: 999px; background: linear-gradient(135deg, var(--teal2), var(--teal)); color: var(--ink); font: 700 14px var(--head); text-decoration: none; box-shadow: 0 8px 24px rgba(0, 0, 0, .5); }
.foot { max-width: 1640px; margin: 0 auto; padding: 0 22px 32px; color: var(--dim); font-size: 13px; }
.foot p { margin: 0; }

/* тонкие полосы прокрутки */
* { scrollbar-width: thin; scrollbar-color: rgba(47, 211, 182, .3) transparent; }

/* ---------- планшет: меню уходит наверх ---------- */
@media (max-width: 1260px) {
  .app { grid-template-columns: minmax(0, 1fr) 400px; padding-top: 0; }
  .side {
    grid-column: 1 / -1; position: sticky; top: 0; z-index: 10; height: auto; flex-direction: row; align-items: center; gap: 14px;
    margin: 0 -22px; padding: 10px 22px; border-radius: 0; border-width: 0 0 1px; overflow: visible;
    background: rgba(14, 22, 24, .9);
  }
  .brand-t small, .reset span { display: none; }
  .nav { flex-direction: row; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; gap: 2px; }
  .nav::-webkit-scrollbar { display: none; }
  .nav button { width: auto; padding: 8px 14px; font-size: 14px; }
  .reset { margin: 0; padding: 9px; border-radius: 50%; }
  .stage, .result { margin-top: 0; }
  .result-in { top: 84px; max-height: calc(100vh - 100px); }
}
@media (max-width: 980px) {
  .app { grid-template-columns: minmax(0, 1fr); gap: 16px; padding: 0 14px 14px; }
  .side { margin: 0 -14px; padding: 8px 14px; }
  .brand { padding: 0; }
  .brand-t { display: none; }
  .result-in { position: static; max-height: none; overflow: visible; }
  .panel { padding: 22px 18px 20px; border-radius: 24px; }
  h1 { font-size: 26px; }
  .jump { display: block; }
  .foot { padding: 0 14px 84px; }
  .stage { scroll-margin-top: 64px; }
}
@media (max-width: 560px) {
  .grid3 { grid-template-columns: 1fr; }
  .toast { left: 16px; right: 16px; bottom: 76px; transform: none; max-width: none; border-radius: 22px; }
  .seg.big button { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .panel { animation: none; }
  .preset { transition: none; }
}