:root{
  --color-bg:#f4f7f8;
  --color-surface:#ffffff;
  --color-text:#1a2327;
  --color-text-sub:#5b6b70;
  --color-border:#dde5e7;
  --color-primary:#0b6e99;
  --color-primary-dark:#08526f;
  --color-accent:#e8871e;
  --color-danger:#c0392b;
  --color-selected:#0b6e99;
  --color-selected-bg:#e4f2f8;
  --color-catch:#e8871e;
  --color-boat:#0b6e99;
  --color-port:#c0392b;
  --radius:12px;
  --tabbar-h:56px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,system-ui,sans-serif;
  background:var(--color-bg);
  color:var(--color-text);
  padding-bottom:calc(var(--tabbar-h) + 12px);
  overflow-x:hidden;
}
h1{font-size:1.15rem;margin:12px 12px 8px;}
h2{font-size:1rem;margin:0 0 8px;}
h3{font-size:0.9rem;margin:10px 0 6px;color:var(--color-text-sub);}

/* ---- banners / toast ---- */
.banner{
  padding:8px 12px;font-size:0.82rem;text-align:center;
}
.banner-warn{background:#fff3cd;color:#7a5b00;}
.banner-sample{background:#fff0e1;color:#8a4a00;border-bottom:1px solid #f0c896;}
.toast{
  position:fixed;left:50%;bottom:calc(var(--tabbar-h) + 12px);transform:translateX(-50%);
  background:#222;color:#fff;padding:10px 16px;border-radius:20px;font-size:0.85rem;
  z-index:999;max-width:90vw;text-align:center;
}

/* ---- tabbar ---- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;height:var(--tabbar-h);
  display:flex;background:var(--color-surface);border-top:1px solid var(--color-border);
  z-index:100;
}
.tabbtn{
  flex:1;border:none;background:none;font-size:0.75rem;color:var(--color-text-sub);
  padding:6px 2px;cursor:pointer;
}
.tabbtn.active{color:var(--color-primary);font-weight:bold;border-top:3px solid var(--color-primary);}

/* ---- layout ---- */
.screen{display:none;padding:4px 0 16px;}
.screen.active{display:block;}
.card{
  background:var(--color-surface);margin:10px 12px;padding:12px;border-radius:var(--radius);
  border:1px solid var(--color-border);
}
.card-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px;}

/* ---- chips ---- */
.chip-grid{display:flex;flex-wrap:wrap;gap:6px;}
.chip-grid.small{gap:4px;}
.chip-grid.three{display:grid;grid-template-columns:repeat(3,1fr);}
.chip{
  border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);
  padding:9px 12px;border-radius:20px;font-size:0.85rem;cursor:pointer;
  min-height:40px;line-height:1.1;
}
.chip.selected{
  background:var(--color-selected-bg);border-color:var(--color-selected);color:var(--color-primary-dark);
  font-weight:bold;box-shadow:inset 0 0 0 1px var(--color-selected);
}
.chip.small{padding:6px 10px;font-size:0.78rem;min-height:34px;}
.chip-action{
  border:1px solid var(--color-border);background:#f0f4f5;color:var(--color-text-sub);
  padding:7px 10px;border-radius:8px;font-size:0.78rem;cursor:pointer;
}

/* ---- buttons ---- */
.btnrow{display:flex;gap:6px;}
.btnrow.wrap{flex-wrap:wrap;}
.btn-primary{
  display:block;width:calc(100% - 24px);margin:16px auto 6px;background:var(--color-primary);
  color:#fff;border:none;padding:16px;font-size:1.05rem;border-radius:var(--radius);cursor:pointer;
  font-weight:bold;
}
.btn-primary:active{background:var(--color-primary-dark);}
.btn-big{box-shadow:0 3px 8px rgba(11,110,153,0.35);}
.btn-secondary{
  background:#eef3f4;color:var(--color-primary-dark);border:1px solid var(--color-border);
  padding:10px 14px;border-radius:8px;cursor:pointer;font-size:0.85rem;
}
.btn-danger-outline{
  display:block;width:calc(100% - 24px);margin:6px auto 20px;background:#fff;color:var(--color-danger);
  border:1px solid var(--color-danger);padding:12px;border-radius:var(--radius);cursor:pointer;
}
.btn-danger{background:var(--color-danger);color:#fff;border:none;padding:10px 16px;border-radius:8px;cursor:pointer;}
.btn-link{background:none;border:none;color:var(--color-primary);text-decoration:underline;font-size:0.8rem;cursor:pointer;padding:6px;}

/* ---- date ---- */
.date-row{display:flex;gap:12px;flex-wrap:wrap;}
.date-row label{font-size:0.85rem;flex:1;min-width:140px;}
input[type=date],input[type=text],select{
  width:100%;padding:10px;border:1px solid var(--color-border);border-radius:8px;font-size:0.95rem;margin-top:4px;
  background:#fff;color:var(--color-text);
}
.error-text{color:var(--color-danger);font-size:0.82rem;margin-top:6px;}

/* ---- add species ---- */
.add-species{border-top:1px dashed var(--color-border);margin-top:10px;padding-top:6px;}
.add-row{display:flex;gap:6px;}
.add-row input{flex:1;}
.other-input-wrap{margin-top:10px;font-size:0.85rem;}

/* ---- map ---- */
.map{width:100%;border-radius:0;}
.map-large{height:46vh;min-height:280px;}
.legend{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;padding:8px;font-size:0.78rem;color:var(--color-text-sub);}
.legend-item{display:flex;align-items:center;gap:4px;}
.legend-dot{width:12px;height:12px;border-radius:50%;background:var(--color-catch);display:inline-block;}
.legend-square{width:11px;height:11px;background:var(--color-boat);display:inline-block;}
.legend-star{color:var(--color-port);font-weight:bold;}

/* marker icons */
.marker-catch{
  background:var(--color-catch);color:#fff;border-radius:50%;width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;font-size:0.72rem;font-weight:bold;
  border:2px solid #fff;box-shadow:0 1px 3px rgba(0,0,0,0.4);
}
.marker-boat{
  background:var(--color-boat);color:#fff;width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;font-size:0.7rem;font-weight:bold;
  border:2px solid #fff;box-shadow:0 1px 3px rgba(0,0,0,0.4);
}
.marker-port{
  color:var(--color-port);font-size:1.3rem;font-weight:bold;text-shadow:0 0 3px #fff,0 0 3px #fff;
}

/* ---- mode switch ---- */
.mode-switch{display:flex;gap:6px;padding:8px 12px;}
.mode-btn{flex:1;padding:10px 4px;border:1px solid var(--color-border);background:#fff;border-radius:8px;font-size:0.85rem;cursor:pointer;}
.mode-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary);font-weight:bold;}

/* ---- reference links ---- */
.ref-links summary{cursor:pointer;font-weight:bold;padding:2px;}
.ref-note{font-size:0.78rem;color:var(--color-text-sub);margin:8px 0;}
.ref-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;}
.ref-list a{
  display:block;padding:10px 12px;border:1px solid var(--color-border);border-radius:8px;
  color:var(--color-primary-dark);text-decoration:none;font-size:0.85rem;background:#f7fbfc;
}
.ref-list a:active{background:var(--color-selected-bg);}

/* ---- filter panel ---- */
.filter-panel summary{cursor:pointer;font-weight:bold;padding:2px;}
.filter-body{display:flex;flex-direction:column;gap:10px;margin-top:10px;}
.filter-body label{font-size:0.82rem;color:var(--color-text-sub);}
.filter-label{font-size:0.82rem;color:var(--color-text-sub);display:block;margin-bottom:4px;}

/* ---- results ---- */
.result-summary{padding:6px 14px;font-size:0.85rem;color:var(--color-text-sub);}
.result-list{display:flex;flex-direction:column;gap:10px;padding:0 12px;}
.result-card{
  background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);
  padding:12px;cursor:pointer;
}
.result-card.highlight{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-selected-bg);}
.result-card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;}
.result-num{
  background:var(--color-text);color:#fff;border-radius:50%;width:24px;height:24px;flex:none;
  display:flex;align-items:center;justify-content:center;font-size:0.72rem;font-weight:bold;
}
.result-type-badge{font-size:0.7rem;padding:2px 8px;border-radius:10px;font-weight:bold;flex:none;}
.badge-catch{background:#fdece0;color:#8a4a00;}
.badge-boat{background:#e1eef5;color:var(--color-primary-dark);}
.badge-sample{background:#f3e2e2;color:#7a2020;font-size:0.65rem;padding:1px 6px;border-radius:8px;margin-left:4px;}
.result-title{font-weight:bold;font-size:0.95rem;margin:4px 0 2px;}
.result-sub{font-size:0.8rem;color:var(--color-text-sub);}
.result-tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px;}
.tag{background:#eef3f4;color:var(--color-text-sub);font-size:0.72rem;padding:2px 8px;border-radius:10px;}
.empty-text{padding:24px;text-align:center;color:var(--color-text-sub);}

/* ---- pref tabs (screen3) ---- */
.pref-tabs{display:flex;gap:6px;flex-wrap:wrap;padding:8px 12px;}
.pref-tab{
  border:1px solid var(--color-border);background:#fff;padding:9px 14px;border-radius:20px;
  font-size:0.85rem;cursor:pointer;
}
.pref-tab.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary);font-weight:bold;}

/* ---- dialog ---- */
.dialog-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,0.45);display:flex;align-items:center;justify-content:center;
  z-index:1000;padding:16px;
}
/* [hidden]属性はブラウザ標準では display:none だが、上の .dialog-overlay{display:flex} が
   同じ詳細度で競合し、作者スタイルがUAスタイルに勝つため無効化されてしまう。
   hidden時は明示的に非表示にする。 */
.dialog-overlay[hidden]{
  display:none;
}
.dialog-box{
  background:#fff;border-radius:var(--radius);padding:20px;max-width:340px;width:100%;text-align:center;
}
.dialog-box-large{max-width:480px;max-height:80vh;overflow-y:auto;text-align:left;}
.dialog-note{font-size:0.78rem;color:var(--color-text-sub);}
.dialog-actions{display:flex;gap:10px;justify-content:center;margin-top:14px;}

/* ---- detail dialog content ---- */
.detail-table{width:100%;border-collapse:collapse;font-size:0.85rem;}
.detail-table th,.detail-table td{text-align:left;padding:5px 4px;border-bottom:1px solid var(--color-border);vertical-align:top;}
.detail-table th{width:38%;color:var(--color-text-sub);font-weight:normal;}
.detail-title{font-size:1.05rem;font-weight:bold;margin-bottom:8px;}
.detail-link{color:var(--color-primary);word-break:break-all;}

.footnote{text-align:center;color:var(--color-text-sub);font-size:0.75rem;margin-top:4px;}

@media (min-width:700px){
  #app{max-width:720px;margin:0 auto;}
  .map-large{height:52vh;}
}