:root {
  --bg: #060b18;
  --bg2: #0b1428;
  --card: #0f1b33;
  --card2: #13223f;
  --line: #1f3156;
  --text: #e7eefc;
  --muted: #92a3c4;
  --accent: #3ddc97;
  --accent2: #8f7bff;
  --l0: #5b6987;
  --l1: #6fa8ff;
  --l2: #3ddc97;
  --l3: #9dff57;
  --l4: #ff5cc8;
  --kp0: #2f8f6b;
  --kp4: #e7d33c;
  --kp5: #ffab3d;
  --kp6: #ff7a3d;
  --kp7: #ff3d5e;
  --kp8: #d14dff;
  --radius: 14px;
  --max: 1080px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg) radial-gradient(1200px 500px at 70% -120px, rgba(61, 220, 151, .16), transparent 60%),
              radial-gradient(900px 400px at 10% -80px, rgba(143, 123, 255, .14), transparent 60%) no-repeat;
  min-height: 100vh;
}
a { color: #8fd8ff; text-underline-offset: 3px; }
a:hover { color: #c3ecff; }
img, svg, canvas { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; }
h1 { font-size: clamp(1.8rem, 4.5vw, 2.7rem); margin: .2em 0 .35em; }
h2 { font-size: clamp(1.3rem, 3vw, 1.7rem); margin: 2.2em 0 .7em; }
h3 { font-size: 1.1rem; margin: 1.4em 0 .4em; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.lead { font-size: 1.1rem; color: #c9d6ef; max-width: 720px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; background: #fff; color: #000; padding: 6px 10px; z-index: 10; }

/* header */
.site-head { position: sticky; top: 0; z-index: 5; background: rgba(6, 11, 24, .82); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(31, 49, 86, .7); }
.site-head .wrap { display: flex; align-items: center; gap: 16px; height: 58px; }
.logo { display: flex; align-items: center; gap: 9px; color: var(--text); text-decoration: none; font-weight: 700; white-space: nowrap; }
.logo svg { width: 28px; height: 28px; }
.nav { margin-left: auto; display: flex; gap: 4px; }
.nav a { color: #c7d4ee; text-decoration: none; padding: 7px 11px; border-radius: 9px; font-size: .95rem; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--card2); color: #fff; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 9px; padding: 6px 10px; font: inherit; }
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; top: 58px; left: 0; right: 0; flex-direction: column; background: #081022; border-bottom: 1px solid var(--line); padding: 8px 16px 14px; }
  .nav-open .nav { display: flex; }
}

/* hero */
.hero { padding: 28px 0 8px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-size: .85rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(61, 220, 151, .7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(61, 220, 151, 0); } 100% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0); } }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none; } }
.updated { font-size: .9rem; color: var(--muted); margin: 0 0 18px; }
.hero-grid { display: grid; grid-template-columns: 260px 1fr; gap: 16px; align-items: stretch; }
@media (max-width: 760px) { .hero-grid { grid-template-columns: 1fr; } }

/* cards */
.card { background: linear-gradient(180deg, var(--card), var(--bg2)); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.kpbig { height: 100%; display: flex; flex-direction: column; justify-content: center; gap: 6px; background: linear-gradient(180deg, var(--card), var(--bg2)); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.kpbig-val { font-size: 4.2rem; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.kpbig-lbl { color: var(--muted); font-size: .95rem; }
.kpbig.kp0 .kpbig-val { color: #6fe0b0; } .kpbig.kp4 .kpbig-val { color: var(--kp4); } .kpbig.kp5 .kpbig-val { color: var(--kp5); }
.kpbig.kp6 .kpbig-val { color: var(--kp6); } .kpbig.kp7 .kpbig-val { color: var(--kp7); } .kpbig.kp8 .kpbig-val { color: var(--kp8); }

.regions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; height: 100%; }
@media (max-width: 760px) { .regions { grid-template-columns: 1fr; } }
.region { display: flex; flex-direction: column; gap: 6px; padding: 16px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); color: var(--text); text-decoration: none; border-top: 3px solid var(--lc, var(--l0)); transition: transform .15s ease, border-color .15s ease; }
.region:hover { transform: translateY(-2px); color: var(--text); }
.region-name { font-weight: 700; font-size: 1.1rem; }
.region-meta { font-size: .88rem; color: var(--muted); }
.lvl0 { --lc: var(--l0); } .lvl1 { --lc: var(--l1); } .lvl2 { --lc: var(--l2); } .lvl3 { --lc: var(--l3); } .lvl4 { --lc: var(--l4); }

.badge { display: inline-block; align-self: flex-start; padding: 3px 10px; border-radius: 999px; font-size: .82rem; font-weight: 700; color: #071021; background: var(--lc); white-space: nowrap; }
.badge.lvl0 { color: #e3e9f7; }
.badge-kp { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .8rem; font-weight: 700; color: #071021; background: var(--kpc, var(--kp0)); white-space: nowrap; }

.kp0 { --kpc: var(--kp0); } .kp4 { --kpc: var(--kp4); } .kp5 { --kpc: var(--kp5); } .kp6 { --kpc: var(--kp6); } .kp7 { --kpc: var(--kp7); } .kp8 { --kpc: var(--kp8); }

/* status card */
.status { background: linear-gradient(180deg, var(--card), var(--bg2)); border: 1px solid var(--line); border-left: 4px solid var(--lc); border-radius: var(--radius); padding: 18px; }
.status-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.status-place { font-weight: 700; font-size: 1.15rem; }
.status-text { color: #d3def3; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin: 0; }
.stats > div { background: rgba(255, 255, 255, .03); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.stats dt { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.stats dd { margin: 2px 0 0; font-size: 1.25rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stats dd.sub { font-size: .85rem; font-weight: 500; color: var(--muted); }
.stats dd.good { color: var(--l3); }
.stats dd.kp4 { color: var(--kp4); } .stats dd.kp5 { color: var(--kp5); } .stats dd.kp6 { color: var(--kp6); } .stats dd.kp7 { color: var(--kp7); } .stats dd.kp8 { color: var(--kp8); }

/* timeline (tonight) */
.timeline { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(72px, 1fr); gap: 6px; overflow-x: auto; padding-bottom: 6px; }
.slot { display: grid; grid-template-rows: auto 120px auto auto; gap: 6px; justify-items: center; padding: 10px 6px; border-radius: 10px; background: rgba(255, 255, 255, .02); border: 1px solid transparent; opacity: .55; }
.slot.dark { opacity: 1; background: var(--card); border-color: var(--line); }
.slot.now { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.slot-time { font-size: .8rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.slot-bar { width: 22px; height: 120px; background: rgba(255, 255, 255, .05); border-radius: 6px; display: flex; align-items: flex-end; overflow: hidden; }
.slot-bar i, .fc-bar i { display: block; width: 100%; background: var(--kpc); border-radius: 6px 6px 0 0; }
.slot-kp { font-size: .85rem; font-weight: 700; }
.slot-lvl { width: 100%; height: 5px; border-radius: 3px; background: var(--lc); }
.legend { font-size: .85rem; color: var(--muted); margin-top: 10px; }
.legend .sw { display: inline-block; width: 11px; height: 11px; border-radius: 3px; background: var(--kpc); margin: 0 4px -1px 10px; }

/* 3-day forecast */
.fc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 760px) { .fc { grid-template-columns: 1fr; } }
.fc-day { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.fc-head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }
.fc-head span:not(.badge-kp) { color: var(--muted); font-size: .9rem; }
.fc-bars { display: grid; grid-template-columns: repeat(8, 1fr); gap: 4px; height: 140px; align-items: end; }
.fc-bar { height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 4px; }
.fc-bar i { border-radius: 4px 4px 0 0; }
.fc-bar.pred i { background-image: repeating-linear-gradient(135deg, rgba(0, 0, 0, .18) 0 4px, transparent 4px 8px); }
.fc-bar.now i { outline: 2px solid #fff; }
.fc-bar span { font-size: .7rem; color: var(--muted); }

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.tbl { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 520px; }
.tbl th, .tbl td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl th { background: var(--card2); font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: #b8c6e3; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tbody tr:nth-child(even) { background: rgba(255, 255, 255, .015); }
.cloud { display: inline-block; width: 60px; height: 8px; border-radius: 4px; background: rgba(120, 200, 255, .15); vertical-align: middle; overflow: hidden; }
.cloud i { display: block; height: 100%; background: #9fb4d6; }

/* states grid */
.states { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 8px; }
.state { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 11px 14px; background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--lc); border-radius: 10px; color: var(--text); text-decoration: none; }
.state:hover { background: var(--card2); color: #fff; }

/* alerts */
.alerts { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.alerts li { display: grid; gap: 2px; padding: 12px 14px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--kp5); }
.alerts li.alarm { border-left-color: var(--kp7); }
.alerts time { font-size: .8rem; color: var(--muted); }

/* misc */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 10px; border: 0; background: linear-gradient(135deg, var(--accent), #2bb8c9); color: #04121a; font: inherit; font-weight: 700; cursor: pointer; }
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .6; cursor: wait; }
.mychance { display: grid; gap: 12px; margin-top: 18px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; } }
.tips { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; padding: 0; list-style: none; }
.tips li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.tips strong { display: block; margin-bottom: 4px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 0 16px; margin-bottom: 8px; }
.faq summary { cursor: pointer; padding: 14px 0; font-weight: 600; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--accent); font-weight: 700; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: #cdd8ee; }
.spots { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; padding: 0; list-style: none; }
.spots li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.events { padding-left: 1.1em; }
.events li { margin-bottom: .4em; }
.crumbs { font-size: .85rem; color: var(--muted); margin-top: 18px; }
.crumbs a { color: var(--muted); }
.map-wrap { position: relative; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #081120; }
#aurora-map { width: 100%; }
.map-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: .85rem; color: var(--muted); margin-top: 10px; }
.map-legend i { display: inline-block; width: 11px; height: 11px; border-radius: 50%; margin-right: 5px; vertical-align: -1px; background: var(--lc); }
.map-legend b { display: inline-block; width: 26px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.prose { max-width: 760px; }
.prose ul { padding-left: 1.2em; }
.note { font-size: .88rem; color: var(--muted); border-left: 3px solid var(--line); padding-left: 12px; }

/* footer */
.site-foot { margin-top: 64px; border-top: 1px solid var(--line); background: #050a15; padding: 28px 0 40px; font-size: .9rem; color: var(--muted); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr; } }
.site-foot ul { list-style: none; padding: 0; margin: 0; }
.site-foot li { margin-bottom: 4px; }
.site-foot a { color: #b4c3e0; }