/* WWII Chronos v7 — one stylesheet, no overlays/backdrop-filter */
:root{color-scheme:dark;--bg:#1d211f;--paper:#30332b;--panel:#282c28;--ink:#e6deca;--muted:#bab39e;--line:#777566;--accent:#dda18a;--olive:#b6c3a2;--highlight:#464939;--shadow:rgba(0,0,0,.22)}
:root[data-theme="dark"]{color-scheme:dark;--bg:#1d211f;--paper:#30332b;--panel:#282c28;--ink:#e6deca;--muted:#bab39e;--line:#777566;--accent:#dda18a;--olive:#b6c3a2;--highlight:#464939;--shadow:rgba(0,0,0,.22)}
*{box-sizing:border-box}html{scroll-behavior:auto}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.7 'Courier New',Courier,monospace}body:before{content:'';position:fixed;inset:0;pointer-events:none;z-index:-1;background:repeating-linear-gradient(0deg,transparent 0 47px,rgba(105,90,58,.035) 48px)}a{color:var(--accent)}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.shell{width:min(1280px,calc(100% - 36px));margin:auto}header{border-bottom:3px double var(--line);background:var(--paper)}.top{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:18px 0}.brand{color:var(--ink);text-decoration:none;font:bold 22px/1.2 'Courier New',monospace;letter-spacing:-1px}.eyebrow,.kicker{font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted)}.top-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.btn,.input,.select{border:1px solid var(--line);border-radius:0;color:var(--ink);background:var(--paper);padding:10px 13px;min-height:42px}.btn:hover,.btn.active{background:var(--highlight)}.btn.primary{background:var(--olive);color:var(--paper);border-color:var(--olive)}:root[data-theme='dark'] .btn.primary{color:#171c17}.hero{padding:35px 0 25px;display:grid;grid-template-columns:1fr auto;align-items:end;gap:25px;border-bottom:1px solid var(--line)}h1{font-size:clamp(29px,5vw,57px);line-height:1.13;letter-spacing:-2px;margin:8px 0;font-weight:900;text-transform:uppercase}h2{font-size:23px;line-height:1.3}p{margin:0 0 16px}.hero p{max-width:670px;color:var(--muted)}.stamp{border:3px double var(--accent);color:var(--accent);padding:14px;transform:rotate(-3deg);font-weight:bold;text-align:center;line-height:1.3;font-size:12px}.section{margin:22px 0;background:var(--paper);border:1px solid var(--line);box-shadow:2px 3px 0 var(--shadow)}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:17px 20px;border-bottom:1px dashed var(--line)}.section-head h2{margin:0}.controls{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.weekbar{padding:20px;display:grid;grid-template-columns:auto auto 1fr auto auto;gap:10px;align-items:center}.weekbar strong{font-size:19px}.weekbar input{accent-color:var(--accent);width:100%}.years{display:flex;gap:8px;flex-wrap:wrap;padding:0 20px 20px}.year{font-size:12px;min-height:36px;padding:6px 10px}.grid{display:grid;grid-template-columns:250px minmax(0,1fr);gap:24px;margin:22px 0 55px}.aside{align-self:start;background:var(--paper);border:1px solid var(--line);padding:18px}.aside h2{font-size:17px;margin:0 0 12px}.filter{display:flex;align-items:center;gap:8px;margin:8px 0;cursor:pointer;font-size:13px}.filter input{accent-color:var(--accent)}.hint{color:var(--muted);font-size:12px}.feed{min-width:0}.feedhead{display:flex;justify-content:space-between;gap:10px;align-items:center;border-bottom:3px double var(--line);margin-bottom:16px}.feedhead h2{margin:0 0 14px}.card{background:var(--paper);border:1px solid var(--line);padding:23px 25px;margin-bottom:16px;box-shadow:3px 3px 0 var(--shadow)}.card.major{border-left:5px solid var(--accent)}.meta{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}.card h3{font-size:21px;line-height:1.35;margin:10px 0 13px}.card p{font-size:14px}.tag{display:inline-block;border:1px solid var(--line);padding:2px 6px;margin-left:7px;font-size:11px}.important{color:var(--accent);font-weight:bold}.read{display:inline-block;border-bottom:1px solid var(--accent);margin-top:5px;text-decoration:none;font-weight:bold}.empty{padding:30px;border:1px dashed var(--line);color:var(--muted);background:var(--paper)}.adslot{padding:19px;margin:18px 0;border:1px dashed var(--line);font-size:11px;color:var(--muted);text-align:center}.article{max-width:840px;margin:34px auto 70px;background:var(--paper);border:1px solid var(--line);padding:clamp(22px,5vw,64px)}.article h1{font-size:clamp(27px,4vw,47px)}.article p{font-size:15px;line-height:1.9;margin:18px 0}.article .lead{font-weight:bold}.article-nav{margin-top:30px;border-top:1px solid var(--line);padding-top:15px}.listlink{display:block;padding:13px 0;border-bottom:1px dashed var(--line)}footer{padding:30px 0;border-top:3px double var(--line);font-size:12px;color:var(--muted)}@media(max-width:760px){.shell{width:calc(100% - 24px)}.hero{grid-template-columns:1fr}.stamp{display:none}.grid{grid-template-columns:1fr}.aside{position:static}.weekbar{grid-template-columns:auto 1fr auto}.weekbar strong{grid-column:1/-1;text-align:center}.weekbar input{grid-column:1/-1;grid-row:2}.weekbar .step{grid-row:3}.weekbar .prev{grid-column:1}.weekbar .next{grid-column:3}.weekbar .prevyear,.weekbar .nextyear{display:none}.card{padding:18px}.section-head{padding:14px}.years{padding:0 14px 15px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* v8: Scoped radio-panel design; no blur filters or animations */
:root{--radio-wood:#5d3a2d;--radio-brass:#ac8451;--radio-ink:#30251a;--radio-surface:#e2d3ad;--radio-glass:#f4e7c4;--radio-marker:#8b3028}
:root[data-theme="dark"]{--radio-wood:#2b201b;--radio-brass:#c6a16a;--radio-ink:#ecd6aa;--radio-surface:#282923;--radio-glass:#31362f;--radio-marker:#e36d56}
.radio-unit{border:2px solid var(--radio-brass);box-shadow:0 4px 0 var(--shadow);overflow:hidden}
.radio-unit .section-head{background:var(--radio-wood);color:#f4deb7;border-bottom:2px solid var(--radio-brass)}
.radio-unit .section-head .kicker{color:#dfbe87}.radio-unit .section-head h2{font-size:clamp(17px,2.4vw,26px);letter-spacing:.08em}
.radio-body{background:linear-gradient(135deg,var(--radio-wood),#37271e 65%,var(--radio-wood));padding:clamp(13px,2.5vw,28px)}
.radio-topline{font-size:11px;color:#ead9b7;letter-spacing:.14em;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:11px}.signal{color:#ecc38f}
.radio-glass{background:var(--radio-glass);border:5px solid var(--radio-brass);outline:2px solid #2a211b;outline-offset:-10px;color:var(--radio-ink);padding:14px;box-shadow:inset 0 0 0 2px rgba(0,0,0,.11)}
.radio-tuner-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;font-size:11px;letter-spacing:.04em;font-weight:bold}.radio-zoom{display:flex;gap:7px;align-items:center}.radio-zoom select{background:var(--radio-surface);border:1px solid var(--radio-brass);color:var(--radio-ink);padding:7px}
.radio-scroll{width:100%;overflow-x:auto;overscroll-behavior-inline:contain;margin-top:8px;scrollbar-color:var(--radio-brass) transparent}.radio-scroll svg{display:block;max-width:none;height:315px;touch-action:pan-x;user-select:none}
.radio-legend{font-size:11px;margin:7px 0 0;color:var(--radio-ink)}
.radio-controls{display:flex;align-items:stretch;gap:9px;justify-content:space-between;margin-top:15px}.radio-knob{flex:0 1 130px;min-width:66px;min-height:54px;border-radius:12px;border:3px ridge var(--radio-brass);background:linear-gradient(140deg,#7b6050,#342c25);color:#f6deb0;letter-spacing:.03em;font-size:12px;font-weight:800;padding:8px}.radio-knob:active{background:#aa8451}
.radio-readout{min-width:0;flex:1;text-align:center;background:var(--radio-glass);padding:6px 10px;border:2px inset var(--radio-brass);color:var(--radio-ink)}.radio-readout span{display:block;font-size:10px}.radio-readout strong{display:block;font-size:clamp(12px,1.5vw,18px);line-height:1.5}.radio-readout input{display:block;width:100%;accent-color:var(--radio-marker)}
.radio-unit .years{padding:13px 0 0;justify-content:center}.radio-unit .year{background:var(--radio-surface);color:var(--radio-ink);border-color:var(--radio-brass)}.radio-unit .year.active{background:var(--radio-brass);color:#201b14}
.radio-event{cursor:pointer}.radio-event:focus{outline:none}.radio-event:focus circle{stroke:#eace76;stroke-width:3}.radio-event circle{transition:none}.radio-event:hover circle{stroke:#f5d887;stroke-width:2}
@media(max-width:760px){.radio-controls{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.radio-knob{min-width:0;min-height:50px;font-size:10px;padding:4px}.radio-readout{grid-column:1/-1;grid-row:1}.radio-scroll svg{height:300px}.radio-glass{padding:9px}}

/* v8.1 — tactile tuning glass and legible tick labels; cheap static gradients */
.radio-body{background:repeating-linear-gradient(120deg,rgba(250,217,152,.035) 0 2px,transparent 2px 13px),linear-gradient(160deg,var(--radio-wood),#2b1d17 52%,var(--radio-wood));border-top:5px solid #866439}
.radio-glass{border:6px ridge var(--radio-brass);border-radius:6px;box-shadow:inset 0 2px 1px rgba(255,255,255,.25),inset 0 -3px 7px rgba(0,0,0,.15),0 2px 0 #17130f;background:linear-gradient(170deg,rgba(255,255,255,.15),transparent 40%),var(--radio-glass)}
.radio-scroll{border:2px solid var(--radio-brass);border-radius:3px;background:repeating-linear-gradient(0deg,rgba(88,67,41,.035) 0 1px,transparent 1px 6px);cursor:crosshair}
.radio-scroll svg{height:348px;touch-action:pan-y;cursor:crosshair}
.radio-scroll svg:focus-visible{outline:3px solid var(--radio-marker);outline-offset:-3px}
.radio-number,.radio-front-label{fill:var(--radio-ink);font-family:'Courier New',monospace;font-weight:700;pointer-events:none}
.radio-year-number{fill:var(--radio-marker);font-family:'Courier New',monospace;font-weight:700;pointer-events:none}
.radio-knob{box-shadow:inset 2px 2px 2px rgba(255,255,255,.22),inset -3px -4px 4px rgba(0,0,0,.35),0 3px 0 #17130e;cursor:pointer}
.radio-tuner-head{padding-bottom:9px;border-bottom:1px double var(--radio-brass)}
@media(max-width:760px){.radio-scroll svg{height:348px}}

/* 8.2: Only radio sound control and shared preview; no global theme changes. */
.radio-sound{font:inherit;letter-spacing:.04em;border:1px solid var(--radio-brass);color:var(--radio-ink);background:var(--radio-glass);border-radius:3px;padding:8px 13px;cursor:pointer;min-height:44px}
.radio-sound[aria-pressed="true"]{border-color:var(--radio-marker);box-shadow:inset 0 0 0 1px var(--radio-marker)}
.radio-preview{position:fixed;z-index:2000;box-sizing:border-box;width:min(370px,calc(100vw - 24px));max-height:min(70vh,500px);overflow:auto;background:#e7d4ad;color:#352c21;border:2px solid #887148;border-left:5px solid #9e503c;box-shadow:0 8px 26px rgba(0,0,0,.26);padding:16px 18px;font-family:"Courier New",monospace;font-size:13px;line-height:1.55;pointer-events:auto}
.radio-preview[hidden]{display:none}
.radio-preview .rp-meta{font-size:11px;color:#675336;margin-bottom:8px;text-transform:uppercase}
.radio-preview .rp-title{font-family:Georgia,serif;font-weight:bold;font-size:19px;line-height:1.2;margin:0 0 10px}
.radio-preview .rp-text{margin:0 0 9px}
.radio-preview .rp-link{color:#703e2e;font-weight:bold}
.radio-preview .rp-major{display:inline-block;border:1px solid #a44c38;color:#a44c38;padding:1px 5px;margin-left:5px}
.radio-event circle{pointer-events:visiblePainted}
@media(max-width:760px){.radio-sound{grid-column:1/-1}.radio-preview{font-size:13px}}

/* v8.3: compact sound control in the top right, no page-wide restyling. */
.radio-sound-header{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;flex:0 0 44px;color:var(--ink);background:var(--paper);border-color:var(--line);font-size:24px;line-height:1;white-space:nowrap}
.radio-sound-header[aria-pressed="true"]{color:var(--accent);border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.radio-sound-header .sound-icon{font-family:Arial,sans-serif;letter-spacing:-3px;padding-right:3px}
@media(max-width:760px){.radio-sound-header{grid-column:auto}}

/* DISPLAY-001 — scoped three-position importance selector */
.display-modes{display:flex;align-items:center;gap:4px;min-width:0;flex-wrap:wrap;border:1px solid var(--radio-brass);padding:4px 6px;margin:0;color:var(--radio-ink)}
.display-modes legend{font-size:10px;padding:0 5px;letter-spacing:.08em}
.display-modes label{cursor:pointer;display:inline-flex;align-items:center;gap:5px;padding:5px 8px;font-size:11px;white-space:nowrap}
.display-modes label:has(input:checked){background:var(--radio-brass);color:var(--radio-surface)}
.display-modes input{accent-color:var(--radio-marker)}
.radio-event:focus polygon,.radio-event:hover polygon{stroke:#f5d887;stroke-width:2.4}
.radio-event polygon{pointer-events:visiblePainted}
@media(max-width:700px){.display-modes label{font-size:10px;padding:6px 5px}}

/* v8.7: only radio event badges and documentary participant preview */
.radio-cluster {cursor:pointer}
.rp-countries{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.rp-country{display:inline-flex;align-items:center;gap:5px;font-size:12px;border:1px solid #927b57;padding:2px 5px}
.rp-country img{width:24px;height:16px;object-fit:cover;border:1px solid #a39378}
.rp-cluster-list{max-height:185px;overflow-y:auto;display:grid;gap:9px;margin-top:10px}
.rp-cluster-list a{color:inherit;text-decoration:underline;font-size:13px}

/* FLAGS-001: fixed size archival flag vectors */
.historical-flag{width:24px;height:16px;object-fit:contain;vertical-align:middle;border:1px solid rgba(80,69,49,.35)}

/* v9.2: fixed front labels and readable flags */
/* BUG-001: two physical columns, no absolute overlay on the plot */
.radio-stage{display:grid;grid-template-columns:133px minmax(0,1fr);align-items:start;min-width:0;margin-top:8px}
.radio-fixed-labels{position:relative;z-index:1;width:133px;height:390px;min-height:390px;overflow:hidden;pointer-events:none;background:var(--radio-glass);border:2px solid var(--radio-brass);border-right:0;border-radius:3px 0 0 3px}
.radio-fixed-item{position:absolute;left:10px;right:5px;white-space:nowrap;font:700 12px 'Courier New',monospace;color:var(--radio-ink);transform:translateY(-50%)}
.radio-stage .radio-scroll{min-width:0;width:100%;height:390px;margin:0;overflow-x:auto;overflow-y:hidden;border-radius:0 3px 3px 0}
.radio-stage .radio-scroll svg{height:386px;display:block;max-width:none}
.radio-legend{display:block;max-width:100%;overflow-wrap:anywhere;white-space:normal;line-height:1.6;margin-top:10px}
@media(max-width:600px){.radio-stage{grid-template-columns:105px minmax(0,1fr)}.radio-fixed-labels{width:105px}.radio-fixed-item{left:5px;font-size:10px}}
.radio-fixed-item{left:5px;font-size:10px}}

/* BUG-011: only expanded archival text within the existing card */
.chronos-expanded:not([hidden]){display:block;margin-top:22px;padding-top:20px;border-top:1px solid var(--radio-brass,#917b55)}
.chronos-expanded h1{font-size:1.4em;line-height:1.25;margin:12px 0}
.chronos-expanded p{margin:12px 0;line-height:1.75}
.chronos-expanded a{overflow-wrap:anywhere}

/* UI-016 — scrolling only inside grouped-event previews. */
.radio-preview:has(.rp-cluster-list){display:flex;flex-direction:column;max-height:min(70dvh,500px);overflow:hidden;overscroll-behavior:contain}
.radio-preview:has(.rp-cluster-list)[hidden]{display:none}
.radio-preview .rp-cluster-list{min-height:0;max-height:none;flex:1 1 auto;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y;scrollbar-width:thin;scrollbar-color:#a88753 transparent;padding-right:7px}
.radio-preview .rp-cluster-list::-webkit-scrollbar{width:7px}
.radio-preview .rp-cluster-list::-webkit-scrollbar-thumb{background:#a88753;border-radius:6px}

/* UI-017: scale buttons replace visible select; radio scale calculations unchanged */
.scale-buttons{display:flex;gap:4px;flex-wrap:wrap}
.scale-button{min-height:35px;padding:6px 10px;border:1px solid var(--radio-brass);background:var(--radio-surface);color:var(--radio-ink);font-size:11px;font-weight:bold}
.scale-button:hover,.scale-button.active{background:var(--radio-brass);color:#201b14}
.scale-button:focus-visible{outline:3px solid var(--radio-marker);outline-offset:2px}


/* UI-018: subtle archival paper surface only for full event articles below the timeline. */
:root[data-theme="dark"] .feed > .card{
  background-color:#3b3e34;
  background-image:
    radial-gradient(ellipse at center,transparent 54%,rgba(17,20,15,.13) 100%),
    repeating-linear-gradient(41deg,rgba(236,222,185,.018) 0px,rgba(236,222,185,.018) 1px,transparent 1px,transparent 6px),
    linear-gradient(115deg,rgba(220,202,157,.025),transparent 47%,rgba(20,22,16,.02));
}
:root:not([data-theme="dark"]) .feed > .card{
  background-image:
    radial-gradient(ellipse at center,transparent 58%,rgba(89,71,42,.075) 100%),
    repeating-linear-gradient(41deg,rgba(89,71,42,.017) 0px,rgba(89,71,42,.017) 1px,transparent 1px,transparent 7px);
}

/* MAP-001: authentic monochrome coast silhouettes, scoped to radio dial and event content. */
.radio-stage{position:relative;isolation:isolate}
.radio-stage::before{content:"";position:absolute;inset:0;background:url("maps/world.webp") center / 100% 100% no-repeat;opacity:.10;pointer-events:none;z-index:0}
.radio-fixed-labels,.radio-scroll{position:relative;z-index:1}
.chronos-region-map{margin:14px 0 20px;border:1px solid var(--line);background:rgba(135,125,96,.055);padding:8px;max-width:440px}
.chronos-region-map img{display:block;width:100%;height:155px;object-fit:contain;opacity:.64}
.chronos-region-map figcaption{color:var(--muted);font:11px/1.5 "Courier New",monospace;letter-spacing:.06em;padding:4px 2px 0}
.radio-preview .chronos-region-map-small{max-width:240px;margin:8px 0 10px;padding:5px;border-color:#a79770}
.radio-preview .chronos-region-map-small img{height:70px;opacity:.65}
.radio-preview .chronos-region-map-small figcaption{font-size:9px;color:#675336}

.lang-switch{display:inline-flex;gap:4px}.lang-switch .btn{padding-left:8px;padding-right:8px}.lang-current{opacity:.58;pointer-events:none}

/* =========================================================
   WWII CHRONOS 1.3.0 REDESIGN — Modern Glass / Vintage Radio
   Visual-only override. No data, timeline or navigation logic changed.
   ========================================================= */
:root{
  --glass-surface:rgba(241,232,210,.76);
  --glass-surface-strong:rgba(241,232,210,.90);
  --glass-border:rgba(111,96,67,.34);
  --glass-shadow:0 14px 40px rgba(48,38,25,.12),0 2px 8px rgba(48,38,25,.08);
  --glass-shadow-soft:0 8px 24px rgba(48,38,25,.09);
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:13px;
  --radius-sm:10px;
}
:root[data-theme="dark"]{
  --glass-surface:rgba(48,51,43,.76);
  --glass-surface-strong:rgba(48,51,43,.90);
  --glass-border:rgba(230,222,202,.14);
  --glass-shadow:0 16px 46px rgba(0,0,0,.28),0 2px 10px rgba(0,0,0,.20);
  --glass-shadow-soft:0 9px 26px rgba(0,0,0,.20);
}

body{
  background:
    radial-gradient(circle at 12% 8%,rgba(255,255,255,.30),transparent 28%),
    radial-gradient(circle at 88% 2%,rgba(119,47,44,.07),transparent 27%),
    linear-gradient(180deg,var(--bg),color-mix(in srgb,var(--bg) 92%,#8c7655 8%));
}
body:before{opacity:.55}

header{
  border-bottom:1px solid var(--glass-border);
  background:color-mix(in srgb,var(--paper) 72%,transparent);
  -webkit-backdrop-filter:blur(16px) saturate(115%);
  backdrop-filter:blur(16px) saturate(115%);
  box-shadow:0 6px 24px rgba(48,38,25,.06);
}
.top{padding:15px 0}
.brand{letter-spacing:-.7px}

.btn,.input,.select{
  border-color:var(--glass-border);
  border-radius:var(--radius-sm);
  background:color-mix(in srgb,var(--paper) 78%,transparent);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
  transition:background-color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.btn:hover,.btn.active{
  background:color-mix(in srgb,var(--highlight) 78%,transparent);
  box-shadow:0 5px 16px rgba(48,38,25,.08),inset 0 1px 0 rgba(255,255,255,.20);
}
.btn:active{transform:translateY(1px)}
.btn.primary{border-radius:var(--radius-sm)}
.lang-switch{padding:3px;border:1px solid var(--glass-border);border-radius:13px;background:rgba(255,255,255,.08)}
.lang-switch .btn{border:0;min-height:36px;border-radius:9px}

.section{
  border-color:var(--glass-border);
  border-radius:var(--radius-xl);
  overflow:hidden;
  background:var(--glass-surface);
  -webkit-backdrop-filter:blur(14px) saturate(108%);
  backdrop-filter:blur(14px) saturate(108%);
  box-shadow:var(--glass-shadow);
}
.section-head{
  border-bottom:1px solid var(--glass-border);
  background:linear-gradient(180deg,rgba(255,255,255,.11),rgba(255,255,255,.025));
}

.aside{
  border-color:var(--glass-border);
  border-radius:var(--radius-lg);
  background:var(--glass-surface);
  -webkit-backdrop-filter:blur(13px) saturate(108%);
  backdrop-filter:blur(13px) saturate(108%);
  box-shadow:var(--glass-shadow-soft);
}
.aside .input{background:var(--glass-surface-strong)}
.filter{padding:5px 7px;border-radius:8px;transition:background-color .14s ease}
.filter:hover{background:rgba(255,255,255,.10)}

.card{
  border-color:var(--glass-border);
  border-radius:var(--radius-lg);
  background:var(--glass-surface-strong);
  -webkit-backdrop-filter:blur(12px) saturate(106%);
  backdrop-filter:blur(12px) saturate(106%);
  box-shadow:var(--glass-shadow-soft);
  overflow:hidden;
}
.card.major{border-left:5px solid var(--accent)}
.tag{border-color:var(--glass-border);border-radius:999px;padding:3px 8px;background:rgba(255,255,255,.08)}
.empty,.adslot{border-radius:var(--radius-md);border-color:var(--glass-border);background:rgba(255,255,255,.045)}

.article{
  border-color:var(--glass-border);
  border-radius:var(--radius-xl);
  background:var(--glass-surface-strong);
  -webkit-backdrop-filter:blur(15px) saturate(108%);
  backdrop-filter:blur(15px) saturate(108%);
  box-shadow:var(--glass-shadow);
}

/* Radio remains the visual anchor: vintage materials, softer modern shell. */
.radio-unit{
  border:1px solid color-mix(in srgb,var(--radio-brass) 76%,transparent);
  border-radius:28px;
  box-shadow:0 20px 54px rgba(48,32,18,.20),0 4px 12px rgba(48,32,18,.12);
  overflow:hidden;
}
.radio-unit .section-head{
  background:
    linear-gradient(180deg,rgba(255,255,255,.08),transparent 55%),
    var(--radio-wood);
  border-bottom:1px solid color-mix(in srgb,var(--radio-brass) 70%,transparent);
}
.radio-body{
  background:
    radial-gradient(circle at 50% -20%,rgba(232,190,120,.16),transparent 45%),
    repeating-linear-gradient(120deg,rgba(250,217,152,.024) 0 2px,transparent 2px 13px),
    linear-gradient(160deg,var(--radio-wood),#2b1d17 52%,var(--radio-wood));
  border-top:0;
}
.radio-glass{
  border:1px solid color-mix(in srgb,var(--radio-brass) 80%,transparent);
  outline:0;
  border-radius:18px;
  background:
    linear-gradient(155deg,rgba(255,255,255,.25),rgba(255,255,255,.05) 38%,rgba(90,63,32,.05)),
    color-mix(in srgb,var(--radio-glass) 90%,transparent);
  -webkit-backdrop-filter:blur(8px) saturate(105%);
  backdrop-filter:blur(8px) saturate(105%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.38),inset 0 -1px 0 rgba(78,52,28,.10),0 10px 28px rgba(23,15,10,.18);
}
.radio-scroll{
  border:1px solid color-mix(in srgb,var(--radio-brass) 72%,transparent);
  border-radius:12px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.09),transparent 22%),
    repeating-linear-gradient(0deg,rgba(88,67,41,.026) 0 1px,transparent 1px 6px);
  box-shadow:inset 0 1px 8px rgba(50,35,22,.08);
}
.radio-stage .radio-scroll{border-radius:0 12px 12px 0}
.radio-fixed-labels{
  border-radius:12px 0 0 12px;
  overflow:hidden;
}
.radio-knob{
  border:1px solid color-mix(in srgb,var(--radio-brass) 82%,transparent);
  border-radius:15px;
  background:linear-gradient(145deg,#806858,#3a3029);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 6px 16px rgba(20,13,9,.20);
  transition:transform .15s ease,box-shadow .15s ease,filter .15s ease;
}
.radio-knob:hover{filter:brightness(1.08);box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 9px 20px rgba(20,13,9,.25)}
.radio-knob:active{transform:translateY(1px)}
.radio-readout{
  border:1px solid color-mix(in srgb,var(--radio-brass) 75%,transparent);
  border-radius:14px;
  background:color-mix(in srgb,var(--radio-glass) 90%,transparent);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25);
}
.scale-buttons{padding:3px;border:1px solid color-mix(in srgb,var(--radio-brass) 60%,transparent);border-radius:11px;background:rgba(70,48,29,.06)}
.scale-button{
  border:0;
  border-radius:8px;
  min-height:34px;
  background:transparent;
  transition:background-color .14s ease,box-shadow .14s ease;
}
.scale-button:hover,.scale-button.active{
  background:var(--radio-brass);
  box-shadow:0 3px 10px rgba(48,32,18,.16);
}
.radio-unit .year{border-radius:999px;border-color:color-mix(in srgb,var(--radio-brass) 66%,transparent)}

.radio-preview{
  border-radius:18px!important;
  border-color:var(--glass-border)!important;
  box-shadow:0 18px 48px rgba(38,28,18,.24)!important;
  -webkit-backdrop-filter:blur(14px) saturate(108%);
  backdrop-filter:blur(14px) saturate(108%);
}
.chronos-region-map{
  border-color:var(--glass-border);
  border-radius:14px;
  background:rgba(255,255,255,.055);
  overflow:hidden;
}
.chronos-region-map img{border-radius:9px}
.radio-preview .chronos-region-map-small{border-radius:11px}

footer{border-top:1px solid var(--glass-border)}

@media(max-width:760px){
  .section{border-radius:18px}
  .radio-unit{border-radius:20px}
  .radio-glass{border-radius:14px}
  .card,.aside,.article{border-radius:15px}
  .radio-stage .radio-scroll{border-radius:0 9px 9px 0}
}

@media(prefers-reduced-transparency:reduce){
  header,.section,.aside,.card,.article,.radio-glass,.radio-preview{
    -webkit-backdrop-filter:none!important;
    backdrop-filter:none!important;
  }
  .section,.aside,.card,.article{background:var(--paper)}
}