/* Layout: road-map logbook — brand strip, tabs, trip cards; trip detail = route line with km-post markers + photo album */
:root{
  --bg:#ECEEE6;--paper:#F8F9F4;--ink:#1C2520;--muted:#5B675F;--line:#CAD0C3;
  --sign:#1D4E9E;--sign-ink:#FFFFFF;--post:#E2A11B;--post-ink:#2A1E00;
  --ok:#2E7A4D;--plan:#1D4E9E;--idea:#86670F;--shade:rgba(10,14,12,.92);
  --f-display:"Bai Jamjuree","IBM Plex Sans Thai",system-ui,sans-serif;
  --f-body:"IBM Plex Sans Thai",system-ui,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#11161D;--paper:#18202A;--ink:#E4E8EE;--muted:#95A2B1;--line:#2C3643;
  --sign:#5B8FE0;--sign-ink:#0B1220;--post:#E8B13A;--post-ink:#231800;
  --ok:#5CBF89;--plan:#82A9EC;--idea:#D8B350;color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.6;
  padding-inline:16px;padding-block:calc(20px + env(safe-area-inset-top,0px)) calc(64px + env(safe-area-inset-bottom,0px))}
img{max-width:100%}
[hidden]{display:none!important}
.wrap{max-width:980px;margin:0 auto;display:flex;flex-direction:column;gap:22px}
h1,h2,h3,h4{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.25}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--sign);outline-offset:2px}
a{color:var(--sign)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.loading{color:var(--muted);text-align:center;padding:40px 0}

.brand{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;border-bottom:3px solid var(--ink);padding-bottom:14px}
.brand h1{font-size:clamp(28px,6vw,44px);font-weight:700;letter-spacing:-.01em}
.tag{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;color:var(--muted);margin-top:4px}
.stats{display:flex;gap:18px}
.stat{display:flex;flex-direction:column;align-items:flex-end}
.stat b{font-family:var(--f-mono);font-size:22px;line-height:1.1}
.stat span{font-size:12px;color:var(--muted)}

.notice{border:1.5px dashed var(--post);border-radius:10px;padding:10px 14px;font-size:14px}
.bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.tabs{display:flex;gap:4px;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:4px}
.tabs button{border:0;background:none;padding:6px 16px;border-radius:999px;font-weight:500;color:var(--muted)}
.tabs button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--paper);padding:7px 14px;border-radius:8px;font-weight:500;text-decoration:none;color:var(--ink)}
.btn.primary{background:var(--sign);border-color:var(--sign);color:var(--sign-ink)}
.btn.ghost{background:none}
.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}

.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.chip{border:1px solid var(--line);background:none;border-radius:999px;padding:4px 12px;font-size:13px;color:var(--muted)}
.chip[aria-pressed="true"]{border-color:var(--ink);color:var(--ink);background:var(--paper);font-weight:600}
.search{flex:1 1 200px;min-width:0;border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:7px 12px}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden;text-align:left;padding:0;min-width:0;color:inherit;text-decoration:none}
.card:hover{border-color:var(--muted)}
.cover{aspect-ratio:16/9;width:100%;max-width:100%;object-fit:cover;display:block;background:var(--line)}
.cover.blank{display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);color:var(--muted);font-size:12px;letter-spacing:.12em;background:repeating-linear-gradient(135deg,var(--bg) 0 14px,var(--paper) 14px 28px)}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;min-width:0}
.card h3{font-size:19px}
.meta{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:13px;color:var(--muted)}
.status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600}
.status::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.st-done{color:var(--ok)}.st-planned{color:var(--plan)}.st-idea{color:var(--idea)}
.shields{display:flex;flex-wrap:wrap;gap:6px}
.shield{font-family:var(--f-mono);font-size:12px;font-weight:700;background:var(--sign);color:var(--sign-ink);border-radius:4px 4px 10px 10px;padding:1px 8px}

.back{align-self:flex-start}
.detail-head{display:flex;flex-direction:column;gap:10px}
.detail-head h2{font-size:clamp(26px,5vw,36px)}
.hero-img{width:100%;max-width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:12px;display:block}
.story{margin:0;max-width:65ch;white-space:pre-wrap}
.section-title{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.section-title h3{font-size:19px}
.route{list-style:none;margin:0;padding:0;position:relative;max-width:680px}
.route::before{content:"";position:absolute;left:19px;top:8px;bottom:8px;width:4px;background:var(--ink);border-radius:2px;opacity:.85}
.stop{position:relative;display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px;padding-bottom:20px}
.post{position:relative;z-index:1;width:42px;height:48px;background:var(--paper);border:2px solid var(--ink);border-radius:21px 21px 4px 4px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:var(--f-mono);font-weight:700;font-size:15px;line-height:1}
.post::after{content:"";width:26px;height:6px;background:var(--post);margin-top:5px;border-radius:2px}
.stop-body{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:6px;min-width:0}
.stop-body h4{font-size:17px}
.type{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.04em}
.stop-photo{width:100%;max-width:100%;border-radius:8px;aspect-ratio:4/3;object-fit:cover;display:block}
.note{white-space:pre-wrap;overflow-wrap:anywhere}

.album{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px}
.album button{padding:0;border:0;background:var(--line);border-radius:6px;overflow:hidden;aspect-ratio:1/1}
.album img{width:100%;height:100%;object-fit:cover;display:block}
.album-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.empty{border:1.5px dashed var(--line);border-radius:12px;padding:28px 20px;text-align:center;color:var(--muted)}

.spot{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:6px;min-width:0}
.spot h4{font-size:17px}
.from{font-size:13px;color:var(--muted)}

.lightbox{position:fixed;inset:0;background:var(--shade);z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:calc(56px + env(safe-area-inset-top,0px)) 12px calc(20px + env(safe-area-inset-bottom,0px))}
.lightbox img{max-height:78vh;max-width:100%;object-fit:contain;border-radius:6px}
.lightbox .cap{color:#EEF1F4;font-size:14px;text-align:center;max-width:60ch}
.lb-btn{position:absolute;border:0;background:rgba(255,255,255,.14);color:#fff;width:44px;height:44px;border-radius:50%;font-size:20px}
.lb-close{top:calc(10px + env(safe-area-inset-top,0px));right:12px}
.lb-prev{left:10px;top:50%}.lb-next{right:10px;top:50%}
.lb-count{position:absolute;top:calc(20px + env(safe-area-inset-top,0px));left:16px;color:#C9D0D8;font-family:var(--f-mono);font-size:13px}
.foot{font-size:12px;color:var(--muted);text-align:center;font-family:var(--f-mono);letter-spacing:.1em}
.install{font-size:13px}
@media (prefers-reduced-motion:no-preference){.card,.btn,.chip{transition:border-color .15s,background .15s}}