/* ShenX family kit — shared tokens and base components for the *.shenx.ch sites.
   Derived from albums.shenx.ch (cyan/lavender, 8 px buttons, mono eyebrows) and link.shenx.ch (teal/pink, 16 px panels),
   aligned with radio.shenx.ch family r3. Copy this file as-is into each site; site-specific rules go in their own sheet. */
:root{
  --bg:#090b10;--bg2:#0f1218;--panel:#12151c;--panel2:#171b23;
  --text:#f0f1ee;--mid:#b9bec8;--muted:#9097a3;
  --line:#ffffff1c;--line2:#ffffff2e;
  --cyan:#baf6e5;--teal:#65e9df;--violet:#c6b9f0;--pink:#dc8bd2;
  --acc:var(--cyan);--acc2:var(--violet);--acc-ink:#0b1a16;
  --r-btn:8px;--r-sm:10px;--r-md:14px;--r-lg:18px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --glow:0 0 0 1px #baf6e522,0 18px 60px -24px #65e9df55;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{background:var(--bg);scroll-behavior:smooth;scroll-padding-top:20px;-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font:15px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
a,button,summary{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
img{display:block;max-width:100%}
svg{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:4px}
::selection{background:var(--acc);color:var(--acc-ink)}
.wrap{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
.skip{position:fixed;inset-inline-start:16px;top:-80px;z-index:100;background:var(--acc);color:var(--acc-ink);padding:10px 18px;border-radius:var(--r-btn);font-weight:600}
.skip:focus{top:16px}

/* Background: tinted dark, two soft radial accents — never pure black, never loud. */
.bg{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(90% 60% at 88% -8%,#65e9df14,transparent 60%),radial-gradient(70% 50% at -10% 30%,#c6b9f010,transparent 60%),
  radial-gradient(60% 40% at 60% 110%,#dc8bd20c,transparent 70%),var(--bg)}

/* Type */
.eyebrow,.k{font:500 10.5px/1.5 var(--mono);letter-spacing:.15em;text-transform:uppercase;color:var(--acc);margin:0}
:lang(ja) .eyebrow,:lang(ko) .eyebrow,:lang(zh) .eyebrow,:lang(ar) .eyebrow,:lang(ja) .k,:lang(ko) .k,:lang(zh) .k,:lang(ar) .k{letter-spacing:.04em}
h1,h2,h3{margin:0;font-weight:560;letter-spacing:-.04em;line-height:1.05}
:lang(ja) :is(h1,h2,h3),:lang(ko) :is(h1,h2,h3),:lang(zh) :is(h1,h2,h3),:lang(ar) :is(h1,h2,h3){letter-spacing:0}
.lead{color:var(--mid);max-width:62ch;margin:12px 0 0}
.note{color:var(--muted);font-size:13px;line-height:1.5}

/* Controls */
.button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:11px 20px;border-radius:var(--r-btn);
  border:1px solid var(--line2);font-size:13px;font-weight:600;line-height:1.3;transition:background .2s,border-color .2s,transform .2s,box-shadow .2s}
.button:hover{transform:translateY(-1px)}
.button.primary{background:var(--acc);color:var(--acc-ink);border-color:var(--acc);box-shadow:0 10px 30px -14px var(--teal)}
.button.primary:hover{background:#d8fff2;border-color:#d8fff2}
.button.ghost{background:#12151c99;color:var(--text)}
.button.ghost:hover{border-color:#ffffff55;background:var(--panel2)}
.chip{min-height:44px;display:inline-flex;align-items:center;gap:8px;padding:0 12px;border-radius:var(--r-btn);border:1px solid transparent;
  background:none;font-size:12.5px;color:#d4d7dc;list-style:none;white-space:nowrap}
.chip:hover{color:var(--acc);border-color:var(--line)}
.chip.small{min-height:40px;min-width:44px;justify-content:center;padding:0 12px;border-color:var(--line);font-size:12px}
.icon-btn{width:46px;height:46px;display:grid;place-items:center;border-radius:var(--r-sm);border:1px solid var(--line2);background:var(--panel)}
.icon-btn:hover{border-color:var(--acc);color:var(--acc)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--acc);font-size:13px;min-height:44px}
.text-link:hover{text-decoration:underline;text-underline-offset:3px}
.text-link small{color:var(--muted);font:11px var(--mono)}
.ext{width:11px;height:11px;stroke-width:1.5;opacity:.75}
[dir=rtl] .ext{transform:scaleX(-1)}

/* Pop menus (details/summary): no JS needed to open; JS closes on outside click / Escape. */
.pop{position:relative}
.pop>summary::-webkit-details-marker{display:none}
.pop>summary{cursor:pointer}
.pop[open]>summary{border-color:var(--line2);color:var(--acc)}
.pop-list{position:absolute;z-index:40;inset-inline-end:0;top:calc(100% + 8px);margin:0;padding:6px;list-style:none;min-width:220px;max-height:min(70vh,520px);overflow:auto;
  background:#12151cf2;border:1px solid var(--line2);border-radius:var(--r-md);box-shadow:0 24px 60px -20px #000c;backdrop-filter:blur(14px)}
.pop-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;padding:0 12px;border-radius:var(--r-sm);font-size:14px}
.pop-list a:hover,.pop-list a[aria-current]{background:#baf6e512;color:var(--acc)}
.pop-list small{color:var(--muted);font:11px var(--mono)}

/* Sheet dialog */
.sheet{width:min(720px,calc(100% - 24px));max-height:min(86vh,820px);padding:0;border:1px solid var(--line2);border-radius:var(--r-lg);background:var(--bg2);color:var(--text);
  box-shadow:0 40px 120px -30px #000e}
.sheet::backdrop{background:#05060acc;backdrop-filter:blur(6px)}
.sheet[open]{display:flex;flex-direction:column}
.sheet-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 16px 8px 22px}
.sheet-head h2{font-size:20px}
.sheet-tabs{display:flex;gap:6px;padding:0 16px 12px;overflow-x:auto;border-bottom:1px solid var(--line);scrollbar-width:none}
.sheet-tabs button{min-height:40px;padding:0 14px;border-radius:var(--r-btn);border:1px solid var(--line);background:none;font-size:13px;white-space:nowrap;color:var(--mid)}
.sheet-tabs button[aria-selected=true]{background:var(--acc);border-color:var(--acc);color:var(--acc-ink);font-weight:600}
.sheet-body{padding:18px 22px 24px;overflow:auto}
.sheet-body h3{font-size:22px;margin-bottom:6px}
.sheet-body h4{margin:18px 0 4px;font-size:14px;color:var(--acc)}
.sheet-body p{margin:0 0 10px;color:var(--mid)}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}