/* ============ Japan Trip 2026 — theme ============ */
:root{
  --paper:#f7f3ec;
  --paper-2:#efe8dc;
  --ink:#1f2333;
  --ink-2:#4a4f5e;
  --muted:#8a8f9c;
  --line:#e2dbcd;
  --indigo:#1f2a44;
  --indigo-2:#2f3d63;
  --vermilion:#c8442f;
  --vermilion-2:#e2634e;
  --gold:#c9a24a;
  --sakura:#f3c9cf;
  --fuji:#8fa9c9;
  --moss:#5f7d5a;
  --card:#ffffff;
  --shadow:0 1px 2px rgba(31,35,51,.06),0 8px 24px rgba(31,35,51,.08);
  --radius:16px;
  --font:"Noto Sans Thai","Noto Sans JP",system-ui,-apple-system,sans-serif;
  --display:"Shippori Mincho","Noto Sans Thai",serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);
  background-image:
    radial-gradient(1200px 500px at 90% -10%, rgba(243,201,207,.45), transparent 60%),
    radial-gradient(900px 400px at -10% 20%, rgba(143,169,201,.25), transparent 60%);
  line-height:1.55;font-size:15px;
}
h1,h2,h3{margin:0;font-weight:600;line-height:1.25}
p{margin:0}
a{color:var(--indigo-2)}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
.muted{color:var(--muted);font-size:13px}
[hidden]{display:none!important}

/* ============ Gate ============ */
.gate{
  min-height:100vh;display:grid;place-items:center;padding:24px;
  background:var(--indigo);
  background-image:
    radial-gradient(600px 600px at 50% 110%, rgba(200,68,47,.35), transparent 60%),
    linear-gradient(180deg,#141a2c 0%, #1f2a44 60%, #2a3452 100%);
  color:#fff;
}
.gate-card{
  width:min(440px,100%);text-align:center;padding:40px 28px 28px;position:relative;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:24px;backdrop-filter:blur(12px);
}
.gate-sun{
  width:72px;height:72px;border-radius:50%;margin:0 auto 18px;
  background:radial-gradient(circle at 40% 35%, #ff8a6f, var(--vermilion) 70%);
  box-shadow:0 0 0 8px rgba(200,68,47,.15),0 0 40px rgba(226,99,78,.5);
}
.gate-kicker{letter-spacing:.3em;font-size:11px;opacity:.7}
.gate-title{font-family:var(--display);font-size:30px;margin:6px 0 4px;font-weight:700}
.gate-title span{color:var(--vermilion-2)}
.gate-sub{opacity:.8;font-size:14px}
.gate-form{margin-top:26px;text-align:left}
.gate-form label{font-size:13px;opacity:.8;display:block;margin-bottom:6px}
.gate-row{display:flex;gap:8px}
.gate-row input{
  flex:1;min-width:0;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.25);
  background:rgba(0,0,0,.25);color:#fff;font-size:16px;letter-spacing:.15em;
}
.gate-row input:focus{outline:2px solid var(--vermilion-2);outline-offset:1px}
.gate-row button{
  padding:12px 18px;border-radius:12px;border:0;background:var(--vermilion);color:#fff;font-weight:600;
}
.gate-error{color:#ffb4a6;font-size:13px;margin-top:10px}
.gate-foot{margin-top:28px;font-size:11px;letter-spacing:.25em;opacity:.55}

/* ============ Hero ============ */
.hero{
  position:relative;color:#fff;padding:36px 20px 28px;
  background:var(--indigo);
  background-image:
    radial-gradient(800px 300px at 100% 0%, rgba(200,68,47,.45), transparent 60%),
    radial-gradient(500px 300px at 0% 100%, rgba(143,169,201,.35), transparent 60%),
    linear-gradient(180deg,#1a2238,#1f2a44);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:14px;
  background:linear-gradient(90deg,var(--vermilion) 0 25%,var(--gold) 25% 50%,var(--fuji) 50% 75%,var(--sakura) 75%);
  opacity:.9;
}
.hero-inner{max-width:900px;margin:0 auto}
.hero-kicker{letter-spacing:.3em;font-size:11px;opacity:.7}
.hero h1{font-family:var(--display);font-size:clamp(30px,6vw,48px);font-weight:700;margin:6px 0 6px}
.hero h1 em{font-style:normal;color:var(--vermilion-2)}
.hero-dates{opacity:.9;font-size:14px}
.hero-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.hero-tags span{
  font-size:12px;padding:5px 10px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
}
.hero-route{margin-top:16px;font-size:13px;opacity:.85;line-height:1.8}
.hero-user{
  max-width:900px;margin:18px auto 0;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:14px;border-top:1px dashed rgba(255,255,255,.2);
}
.hero-user label{font-size:13px;opacity:.9;display:flex;align-items:center;gap:8px}
.hero-user input{
  padding:7px 10px;border-radius:10px;border:1px solid rgba(255,255,255,.25);
  background:rgba(0,0,0,.25);color:#fff;width:140px;
}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;padding:7px 12px;border-radius:10px;font-size:13px}

/* ============ Tabs ============ */
.tabs{
  position:sticky;top:0;z-index:20;display:flex;gap:4px;padding:8px 12px;
  background:rgba(247,243,236,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
  overflow-x:auto;scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;padding:9px 14px;border-radius:999px;border:0;background:transparent;color:var(--ink-2);
  font-size:14px;font-weight:500;white-space:nowrap;
}
.tab.is-active{background:var(--indigo);color:#fff}
.tab-badge{
  display:inline-block;min-width:18px;padding:0 6px;border-radius:999px;font-size:11px;line-height:18px;
  background:var(--vermilion);color:#fff;margin-left:2px;
}
.tab-panel{display:none}
.tab-panel.is-active{display:block}

.main{max-width:900px;margin:0 auto;padding:24px 16px 60px}
.section-head{margin-bottom:18px}
.section-head h2{font-family:var(--display);font-size:24px}
.section-head p{color:var(--muted);font-size:13px;margin-top:2px}

/* ============ Timeline ============ */
.timeline{position:relative;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:9px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--vermilion),var(--gold),var(--fuji),var(--moss));
  opacity:.6;border-radius:2px;
}
.day{position:relative;margin-bottom:14px}
.day::before{
  content:"";position:absolute;left:-23px;top:22px;width:12px;height:12px;border-radius:50%;
  background:var(--card);border:3px solid var(--vermilion);box-shadow:0 0 0 3px var(--paper);
}
.day.is-open::before{background:var(--vermilion)}
.day-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;border:1px solid rgba(0,0,0,.03)}
.day-head{
  width:100%;text-align:left;background:transparent;border:0;padding:16px 18px;
  display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;color:inherit;
}
.day-date{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  width:58px;height:58px;border-radius:14px;background:var(--paper-2);color:var(--indigo);
}
.day-date b{font-size:22px;line-height:1;font-family:var(--display)}
.day-date small{font-size:11px;color:var(--ink-2);margin-top:3px}
.day-date.is-fuji{background:#e6edf6}
.day-date.is-disney{background:#fbe6ea}
.day-date.is-flight{background:#eef2e8}
.day-date.is-art{background:#f4ecff}
.day-title{min-width:0}
.day-title h3{font-size:17px}
.day-title p{color:var(--ink-2);font-size:13px;margin-top:2px}
.day-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;font-size:12px;color:var(--muted);white-space:nowrap}
.day-meta .chev{transition:transform .2s;color:var(--muted)}
.day.is-open .chev{transform:rotate(180deg)}
.day-body{display:none;border-top:1px dashed var(--line);padding:16px 18px 18px}
.day.is-open .day-body{display:block}
.day-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.day-chips span{font-size:12px;padding:4px 10px;border-radius:999px;background:var(--paper-2);color:var(--ink-2)}
.day-plan{margin:0 0 16px;padding-left:18px;color:var(--ink-2);font-size:14px}
.day-plan li{margin-bottom:4px}
.day-note{background:#fff8e6;border-left:3px solid var(--gold);padding:8px 12px;border-radius:8px;font-size:13px;margin-bottom:16px;color:var(--ink-2)}

.sub-head{font-size:13px;font-weight:600;color:var(--indigo);letter-spacing:.02em;margin:16px 0 8px;display:flex;align-items:center;gap:8px}
.sub-head::after{content:"";flex:1;height:1px;background:var(--line)}

/* ============ Files ============ */
.file-list{display:flex;flex-direction:column;gap:8px}
.file-item{
  display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;
  padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;
}
.file-icon{
  width:42px;height:42px;border-radius:10px;display:grid;place-items:center;font-size:20px;
  background:var(--paper-2);overflow:hidden;
}
.file-icon img{width:100%;height:100%;object-fit:cover}
.file-main{min-width:0}
.file-name{font-weight:500;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-name a{color:var(--ink);text-decoration:none}
.file-name a:hover{text-decoration:underline}
.file-sub{font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:4px 10px}
.file-sub .cat{color:var(--vermilion);font-weight:500}
.file-note{font-size:12px;color:var(--ink-2);margin-top:2px}
.file-actions{display:flex;gap:4px}
.icon-btn{
  border:0;background:transparent;color:var(--muted);font-size:14px;padding:6px;border-radius:8px;text-decoration:none;
}
.icon-btn:hover{background:var(--paper-2);color:var(--ink)}
.empty{color:var(--muted);font-size:13px;padding:10px 0;text-align:center}

.mini-upload{
  margin-top:10px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  padding:10px;border:1px dashed var(--line);border-radius:12px;background:var(--paper);
}
.mini-upload select,.mini-upload input[type=file]{font-size:13px}
.mini-upload select{padding:7px 8px;border-radius:8px;border:1px solid var(--line);background:#fff}
.mini-upload input[type=file]{flex:1;min-width:150px}
.mini-upload button{padding:7px 14px;border-radius:8px;border:0;background:var(--indigo);color:#fff;font-size:13px}

/* ============ Comments ============ */
.comments{display:flex;flex-direction:column;gap:8px}
.comment{
  background:var(--paper);border-radius:12px;padding:10px 12px;border:1px solid var(--line);
}
.comment-head{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);margin-bottom:4px}
.comment-head b{color:var(--indigo);font-weight:600}
.comment-text{white-space:pre-wrap;font-size:14px;color:var(--ink)}
.comment-form{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.comment-form textarea{
  width:100%;resize:vertical;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:#fff;line-height:1.5;
}
.comment-form textarea:focus,.upload-form input:focus,.upload-form select:focus{outline:2px solid var(--fuji);outline-offset:1px}
.comment-form button{align-self:flex-end;padding:8px 16px;border-radius:10px;border:0;background:var(--vermilion);color:#fff;font-weight:500}

.general-box{margin-top:28px;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.general-box h3{font-size:16px}

/* ============ Docs tab ============ */
.upload-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.upload-card h3{font-size:16px;margin-bottom:12px}
.upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.upload-grid label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--ink-2)}
.upload-grid .span2{grid-column:1 / -1}
.upload-grid select,.upload-grid input[type=text]{
  padding:9px 10px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:14px;
}
.file-drop{
  position:relative;text-align:center;padding:22px 12px;border:2px dashed var(--fuji);border-radius:14px;
  background:#f4f7fb;color:var(--indigo);font-size:14px;cursor:pointer;
}
.file-drop.is-over{background:#e6edf6;border-color:var(--indigo)}
.file-drop.has-file{border-style:solid;border-color:var(--moss);background:#eef4ea;color:var(--moss)}
.file-drop input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.file-drop small{color:var(--muted);font-size:12px}
.upload-actions{display:flex;align-items:center;gap:12px;margin-top:12px}
.upload-actions button{padding:9px 18px;border-radius:10px;border:0;background:var(--indigo);color:#fff;font-weight:500}
.upload-actions button:disabled{opacity:.6}

.filter-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.filter-row button{
  padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2);
}
.filter-row button.is-active{background:var(--vermilion);border-color:var(--vermilion);color:#fff}
.doc-list{display:flex;flex-direction:column;gap:8px}
.doc-group{margin-bottom:8px}
.doc-group h4{margin:12px 0 6px;font-size:13px;color:var(--muted);font-weight:500}

/* ============ Info ============ */
.info-list{display:flex;flex-direction:column;gap:10px}
.info-item{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.info-item>button{
  width:100%;text-align:left;background:transparent;border:0;padding:14px 18px;font-size:16px;font-weight:600;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;
}
.info-item>button span:last-child{color:var(--muted);transition:transform .2s;font-size:14px}
.info-item.is-open>button span:last-child{transform:rotate(180deg)}
.info-body{display:none;padding:0 18px 18px;font-size:14px;color:var(--ink-2)}
.info-item.is-open .info-body{display:block}
.info-body h4{margin:12px 0 6px;font-size:14px;color:var(--indigo)}
.info-body ul,.info-body ol{margin:4px 0 8px;padding-left:20px}
.info-body li{margin-bottom:3px}
.info-body table{width:100%;border-collapse:collapse;font-size:13px;margin:6px 0}
.info-body th,.info-body td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line)}
.info-body th{color:var(--indigo);font-weight:600}
.info-body .callout{background:#fff8e6;border-left:3px solid var(--gold);padding:8px 12px;border-radius:8px;margin:8px 0}
.info-body .grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}
.pill{display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;background:var(--paper-2);margin:2px 4px 2px 0}

/* ============ Todo ============ */
.todo-list{display:flex;flex-direction:column;gap:8px}
.todo{
  display:flex;align-items:center;gap:12px;background:var(--card);border-radius:12px;box-shadow:var(--shadow);padding:12px 14px;cursor:pointer;
}
.todo input{width:20px;height:20px;accent-color:var(--vermilion);flex:0 0 auto}
.todo .t{flex:1;font-size:15px}
.todo.is-done .t{text-decoration:line-through;color:var(--muted)}
.todo .by{font-size:11px;color:var(--muted);white-space:nowrap}

/* ============ Misc ============ */
.foot{text-align:center;color:var(--muted);font-size:12px;padding:20px 16px 40px}
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(20,26,44,.92);display:grid;place-items:center;padding:20px}
.lightbox img{max-width:100%;max-height:90vh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lightbox button{position:absolute;top:14px;right:14px;background:rgba(255,255,255,.15);border:0;color:#fff;font-size:18px;width:40px;height:40px;border-radius:50%}
.toast{
  position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:200;
  background:var(--indigo);color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;box-shadow:var(--shadow);
}
.toast.is-error{background:var(--vermilion)}

@media (max-width:520px){
  .hero{padding:28px 16px 24px}
  .hero-user{flex-wrap:wrap}
  .day-head{grid-template-columns:auto 1fr;gap:12px;padding:14px}
  .day-meta{grid-column:1 / -1;flex-direction:row;justify-content:flex-start;gap:12px}
  .day-date{width:52px;height:52px}
  .day-body{padding:14px}
  .upload-grid{grid-template-columns:1fr}
  .info-body .grid2{grid-template-columns:1fr}
  .file-item{grid-template-columns:auto 1fr;}
  .file-actions{grid-column:1 / -1;justify-content:flex-end}
  .timeline{padding-left:22px}
}