/* ===== AstroLab — glassmorphism, dark-first ===== */
:root{
  --bg:#070b1a;
  --bg2:#0d1330;
  --glass:rgba(255,255,255,0.08);
  --glass-border:rgba(255,255,255,0.18);
  --text:#e8ecff;
  --muted:#9aa3c7;
  --accent:#7c9bff;
  --accent2:#b388ff;
  --good:#4ade80;
  --warn:#fbbf24;
  --bad:#f87171;
  --shadow:0 8px 32px rgba(0,0,0,0.4);
}
[data-theme="light"]{
  --bg:#e8ecf7;
  --bg2:#d6ddf0;
  --glass:rgba(255,255,255,0.55);
  --glass-border:rgba(255,255,255,0.8);
  --text:#1a2040;
  --muted:#5a6388;
  --accent:#3b5bdb;
  --accent2:#7048e8;
  --shadow:0 8px 32px rgba(80,100,180,0.18);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 800px at 10% -10%, #1b2560 0%, transparent 60%),
    radial-gradient(900px 700px at 110% 10%, #3a1d6e 0%, transparent 55%),
    radial-gradient(700px 600px at 50% 120%, #0e3a5e 0%, transparent 60%),
    linear-gradient(160deg,var(--bg),var(--bg2));
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
}
.glass{
  background:var(--glass);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid var(--glass-border);
  border-radius:16px;
  box-shadow:var(--shadow);
}
#app{max-width:1280px;margin:0 auto;padding:14px;display:flex;flex-direction:column;gap:14px}

/* Top bar */
.topbar{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px}
.logo{font-size:28px}
.brand-text h1{font-size:18px;letter-spacing:1px}
.brand-text small{color:var(--muted);font-size:12px}
.topbar-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.loc-box{display:flex;gap:6px;align-items:center}
.loc-box input{
  background:rgba(0,0,0,0.25);border:1px solid var(--glass-border);color:var(--text);
  padding:8px 12px;border-radius:10px;width:200px;outline:none;font-size:13px;
}
[data-theme="light"] .loc-box input{background:rgba(255,255,255,0.6)}
.icon-btn,.loc-box button{
  background:rgba(0,0,0,0.25);border:1px solid var(--glass-border);color:var(--text);
  width:36px;height:36px;border-radius:10px;cursor:pointer;font-size:16px;
}
.clock{font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px}

/* Tabs */
.tabs{display:flex;gap:6px;padding:8px;overflow-x:auto}
.tab{
  background:transparent;border:none;color:var(--muted);padding:10px 14px;border-radius:10px;
  cursor:pointer;font-size:14px;white-space:nowrap;transition:all .2s;
}
.tab:hover{color:var(--text)}
.tab.active{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}

/* Panels */
.panel{display:none;flex-direction:column;gap:14px}
.panel.active{display:flex;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* Cards */
.card{padding:18px}
.card h2{font-size:15px;margin-bottom:12px;color:var(--text);font-weight:600}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:820px){.grid-2,.grid-3{grid-template-columns:1fr}}
.muted{color:var(--muted);font-size:13px;line-height:1.6}

/* Star map */
.map-wrap{position:relative;height:calc(100vh - 220px);min-height:480px;border-radius:16px;overflow:hidden;border:1px solid var(--glass-border)}
#skyCanvas{display:block;width:100%;height:100%;background:radial-gradient(ellipse at center,#0a1030 0%,#030512 100%)}
.map-overlay{
  position:absolute;left:14px;top:14px;padding:12px 14px;display:flex;flex-direction:column;gap:8px;max-width:260px;
  font-size:12px;
}
.map-controls label{display:flex;align-items:center;gap:6px;color:var(--text)}
.map-controls input[type="range"]{width:110px}
.map-hint{position:absolute;right:14px;bottom:14px;padding:6px 10px;font-size:11px;color:var(--muted)}
.info-card{position:absolute;right:14px;top:14px;width:260px;padding:14px;font-size:13px}
.info-card .close{position:absolute;right:8px;top:6px;background:none;border:none;color:var(--muted);font-size:20px;cursor:pointer}
.info-card h3{margin-bottom:8px}
.info-card .row{display:flex;justify-content:space-between;padding:3px 0;border-bottom:1px dashed var(--glass-border)}
.info-card .row span:last-child{color:var(--accent)}

/* Score ring */
.score-ring{position:relative;width:140px;height:140px;margin:8px auto}
.score-ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:rgba(255,255,255,0.1);stroke-width:10}
.ring-fg{fill:none;stroke:var(--good);stroke-width:10;stroke-linecap:round;stroke-dasharray:326.7;stroke-dashoffset:326.7;transition:stroke-dashoffset 1s, stroke .3s}
.score-num{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:700}
.score-label{text-align:center;margin-top:6px;font-size:14px}

/* Bars */
.bars{display:flex;flex-direction:column;gap:10px}
.bar-row{display:grid;grid-template-columns:110px 1fr 40px;align-items:center;gap:8px;font-size:12px}
.bar-track{height:8px;border-radius:4px;background:rgba(255,255,255,0.1);overflow:hidden}
.bar-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .8s}

/* Best window */
.best-window{font-size:14px;line-height:1.8}
.best-window .chip{display:inline-block;padding:3px 10px;border-radius:99px;background:rgba(124,155,255,0.2);margin:2px}

/* Weather */
#nowCards .now-card{padding:14px}
.now-card .big{font-size:28px;font-weight:700;margin:4px 0}
.now-card .lbl{color:var(--muted);font-size:12px}
.hourly-scroll{display:flex;gap:10px;overflow-x:auto;padding:6px 2px}
.hour-cell{min-width:78px;padding:10px;text-align:center;background:rgba(0,0,0,0.15);border-radius:12px}
[data-theme="light"] .hour-cell{background:rgba(255,255,255,0.5)}
.hour-cell .h{font-size:11px;color:var(--muted)}
.hour-cell .ico{font-size:22px;margin:4px 0}
.hour-cell .t{font-weight:600}
.hour-cell .p{font-size:11px;color:var(--accent)}
.daily-list{display:flex;flex-direction:column;gap:8px}
.day-row{display:grid;grid-template-columns:90px 50px 1fr 80px 80px;gap:10px;align-items:center;padding:8px;border-radius:10px;background:rgba(0,0,0,0.12);font-size:13px}
[data-theme="light"] .day-row{background:rgba(255,255,255,0.5)}

/* Bortle */
.bortle-display{text-align:center;padding:10px}
.bortle-num{font-size:64px;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.bortle-label{font-size:16px;margin-bottom:10px}
.bortle-bar{height:10px;border-radius:5px;background:linear-gradient(90deg,#0a0a2a,#3b3b6b,#888,#e8c87a,#e88a5a,#d84a3a);margin:8px 0;position:relative}
.bortle-marker{position:absolute;top:-4px;width:4px;height:18px;background:#fff;border-radius:2px;box-shadow:0 0 6px #fff}
.bortle-legend{display:flex;flex-direction:column;gap:6px;font-size:12px}
.bl-row{display:grid;grid-template-columns:30px 1fr;gap:8px;align-items:center}
.bl-sw{width:100%;height:14px;border-radius:4px}
.dark-sites{display:flex;flex-direction:column;gap:8px}
.site-row{padding:10px;border-radius:10px;background:rgba(0,0,0,0.12)}
[data-theme="light"] .site-row{background:rgba(255,255,255,0.5)}

/* Outdoor */
#outdoorCards .out-card{padding:14px}
.out-card .lbl{color:var(--muted);font-size:12px}
.out-card .val{font-size:20px;font-weight:600;margin-top:4px}
.meteor-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.meteor-row{padding:10px;border-radius:10px;background:rgba(0,0,0,0.12);font-size:13px}
[data-theme="light"] .meteor-row{background:rgba(255,255,255,0.5)}
.meteor-row b{color:var(--accent)}

/* Celestial */
.planets-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
.planet-row{padding:12px;border-radius:12px;background:rgba(0,0,0,0.12)}
[data-theme="light"] .planet-row{background:rgba(255,255,255,0.5)}
.planet-row .pname{font-weight:700;font-size:15px}
.planet-row .pvis{font-size:12px;color:var(--good);margin-top:4px}
.planet-row .pvis.bad{color:var(--bad)}
.const-list{display:flex;flex-wrap:wrap;gap:8px}
.const-chip{padding:6px 12px;border-radius:99px;background:rgba(124,155,255,0.18);font-size:13px}

.foot{display:flex;justify-content:space-between;padding:10px 16px;font-size:11px;color:var(--muted);flex-wrap:wrap;gap:6px}