:root{--bg:#050812;--panel:#0b1424;--fg:#d7e6ff;--muted:#86a4c8;--accent:#3aa0ff;--bad:#ff4d6d;}
html,body{height:100%;margin:0;background:var(--bg);color:var(--fg);font:14px/1.35 system-ui,Segoe UI,Roboto,Arial;}
.wrap{display:flex;flex-direction:column;gap:14px;min-height:100%;padding:62px 14px 14px;box-sizing:border-box;max-width:1100px;margin:0 auto}
.panel{background:linear-gradient(180deg,#0a1426,#070d18);border:1px solid #1d2a44;border-radius:12px;padding:12px;box-shadow:0 12px 40px rgba(0,0,0,.45)}
h1{font-size:15px;margin:0 0 10px 0;color:#eaf2ff;letter-spacing:0.02em}
.hint{color:var(--muted);font-size:12px;margin:6px 0 10px}
.status{margin-top:0;padding:8px 10px;border-radius:10px;border:1px solid #213154;background:#071023;color:#cfe0ff;font-size:12px}
.status.bad{border-color:#6a2030;color:#ffd0d8}
.canwrap{background:#02050c;border:1px solid #1d2a44;border-radius:12px;overflow:hidden}
canvas{display:block;width:100%;height:auto;background:#000}
.log{white-space:pre-wrap;font-family:ui-monospace,Consolas,monospace;font-size:12px;color:#b9d1ff;margin-top:8px}

/* ===== DROPZONE ===== */
.dropzone{border:2px dashed #213154;border-radius:12px;padding:32px 20px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;background:rgba(255,255,255,0.01)}
.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:rgba(58,160,255,0.06)}
.dropzone .drop-label{color:var(--muted);font-size:13px;pointer-events:none}
.dropzone .drop-label b{color:var(--accent)}

/* ===== GRID LAYOUT ===== */
.gridrow{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}
.gridbox{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.08);border-radius:10px;padding:10px}
.gridbox canvas{width:100%;image-rendering:pixelated;border-radius:8px;background:#000}

/* ===== RESULT BANNER ===== */
.result-banner{display:flex;align-items:center;gap:16px;padding:20px 24px}
.result-banner.pass{background:linear-gradient(180deg,#0a1e12,#071810);border-color:#1a5c30}
.result-banner.fail{background:linear-gradient(180deg,#1e0a0f,#180710);border-color:#6a2030}
.result-banner.processing{background:linear-gradient(180deg,#0a1426,#070d18);border-color:#213154}
.result-icon{width:36px;height:36px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;line-height:1}
.result-icon.icon-pass{background:rgba(111,219,111,0.12);border:2px solid #1a5c30;color:#6fdb6f}
.result-icon.icon-pass::after{content:'\2713'}
.result-icon.icon-fail{background:rgba(255,77,109,0.12);border:2px solid #6a2030;color:#ff4d6d}
.result-icon.icon-fail::after{content:'\2717'}
.result-icon.icon-processing{background:rgba(58,160,255,0.12);border:2px solid #213154;color:var(--accent)}
.result-icon.icon-processing::after{content:'\2026'}
.result-text{min-width:0}
.result-label{font-size:22px;font-weight:700;line-height:1.2}
.result-banner.pass .result-label{color:#6fdb6f}
.result-banner.fail .result-label{color:#ff4d6d}
.result-banner.processing .result-label{color:var(--accent)}
.result-sub{font-size:13px;color:var(--muted);margin-top:2px}

/* ===== COLLAPSIBLE DETAILS ===== */
.details-toggle{cursor:pointer;font-size:13px;font-weight:700;color:var(--fg);list-style:none;padding:4px 0;user-select:none}
.details-toggle::-webkit-details-marker{display:none}
.details-toggle::before{content:'\25B6';display:inline-block;margin-right:8px;font-size:10px;color:var(--muted);transition:transform 0.2s}
details[open]>.details-toggle::before{transform:rotate(90deg)}

/* ===== STRUCTURE DEBUG ITEMS ===== */
.structItem{margin-top:14px;padding:10px 0;border-top:1px solid rgba(255,255,255,0.06)}
.structItem:first-child{border-top:none;margin-top:10px}
.structHeader{display:flex;align-items:baseline;gap:10px;margin-bottom:8px}
.structHeader b{color:var(--fg);font-size:13px}

/* ===== TIMEZONE SECTION ===== */
.tz-section{margin-top:12px;padding-top:10px;border-top:1px solid rgba(255,255,255,0.06)}
.tz-header{color:var(--fg);font-size:13px;font-weight:600}
.tz-primary{color:var(--accent);font-size:16px;font-weight:700;margin:4px 0 8px}
.tz-hint{color:var(--muted);font-size:12px;margin-bottom:6px}
.tz-list{display:flex;flex-direction:column;gap:3px}
.tz-row{font-size:12px;color:#b9d1ff;display:flex;justify-content:space-between;padding:2px 0}
.tz-city{color:var(--muted);min-width:100px;flex-shrink:0}
.tz-time{text-align:right}

/* ===== NAV BAR ===== */
.bcv-nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:48px;background:rgba(5,8,18,.92);backdrop-filter:blur(12px);border-bottom:1px solid #1d2a44}
.bcv-nav-brand{font-family:ui-monospace,Consolas,monospace;font-size:14px;font-weight:700;color:var(--accent);text-decoration:none;letter-spacing:0.08em}
.bcv-nav-links{display:flex;gap:4px}
.bcv-nav-link{font-size:12px;font-weight:500;color:var(--muted);text-decoration:none;padding:6px 12px;border-radius:6px;transition:all .15s}
.bcv-nav-link:hover{color:var(--fg);background:rgba(255,255,255,0.04)}
.bcv-nav-link.active{color:var(--accent);background:rgba(58,160,255,0.08)}
.bcv-nav-toggle{display:none;background:none;border:none;color:var(--muted);cursor:pointer;width:32px;height:32px;padding:4px}
.bcv-nav-toggle svg{width:20px;height:20px}
.bcv-nav-toggle:hover{color:var(--fg)}

/* ===== VERSION BADGE ===== */
.version-badge{display:inline-block;font-size:10px;font-weight:600;color:var(--accent);background:rgba(58,160,255,0.1);border:1px solid rgba(58,160,255,0.2);border-radius:4px;padding:1px 6px;margin-left:6px;vertical-align:middle;letter-spacing:0.02em}

/* ===== VERSION COMPARISON ===== */
.ver-section{margin-top:12px;padding:10px 12px;border:1px solid #1d2a44;border-radius:8px;background:rgba(10,20,38,0.5)}
.ver-row{display:flex;justify-content:space-between;align-items:center;font-size:12px;padding:3px 0}
.ver-label{color:var(--muted)}
.ver-value{color:var(--fg);font-weight:600}
.ver-date{color:var(--muted);font-size:11px;font-weight:400}
.ver-match{color:#6fdb6f;font-size:11px;margin-top:4px}
.ver-diff{color:#ffc040;font-size:11px;margin-top:4px}
.ver-fail{color:#ff4d6d;font-size:11px;margin-top:4px}

/* ===== VERIFICATION CHECKLIST ===== */
.check-row{display:flex;justify-content:space-between;font-size:12px;padding:2px 0}
.check-pass{color:#6fdb6f;font-weight:600}
.check-fail{color:#ff4d6d;font-weight:600}
.check-na{color:var(--muted);font-weight:400}

/* ===== SIDE-BY-SIDE VERIFY LAYOUT ===== */
.verify-split{display:flex;gap:14px}
.verify-photo{flex:1 1 55%;min-width:0;display:flex;flex-direction:column;gap:14px}
.verify-details{flex:1 1 45%;min-width:0;display:flex;flex-direction:column;gap:14px}

/* ===== RESPONSIVE: TABLET ===== */
@media(max-width:768px){
  .verify-split{flex-direction:column}
  .verify-photo{order:2}
  .verify-details{order:1}
  .wrap{padding:58px 10px 10px;gap:10px}
  .gridrow{grid-template-columns:repeat(2,1fr);gap:8px}
  .dropzone{padding:24px 16px}
  .result-banner{padding:16px 18px;gap:12px}
  .result-label{font-size:20px}
  .result-icon{width:30px;height:30px;font-size:16px}
}

/* ===== RESPONSIVE: PHONE ===== */
@media(max-width:480px){
  .gridrow{grid-template-columns:1fr;gap:6px}
  h1{font-size:13px}
  .result-banner{padding:14px;gap:10px}
  .result-label{font-size:18px}
  .result-icon{width:26px;height:26px;font-size:14px}
  .bcv-nav{padding:0 12px}
  .bcv-nav-toggle{display:block}
  .bcv-nav-links{display:none;position:absolute;top:48px;left:0;right:0;background:rgba(5,8,18,.97);backdrop-filter:blur(12px);border-bottom:1px solid #1d2a44;flex-direction:column;padding:8px 0}
  .bcv-nav.nav-open .bcv-nav-links{display:flex}
  .bcv-nav-link{padding:10px 24px;font-size:13px;border-radius:0}
  .wrap{padding:54px 10px 10px}
  .result-sub{font-size:12px}
  .panel{padding:10px;border-radius:10px}
  .canwrap{border-radius:10px}
  .dropzone{padding:20px 12px}
  .log{font-size:11px}
  .hint{font-size:11px}
  .gridbox{padding:8px;border-radius:8px}
  .tz-primary{font-size:14px}
  .tz-row{flex-direction:column;gap:1px}
  .tz-time{text-align:left}
}