:root{
  --bg1:#f9f4ec; --bg2:#efe4d4;
  --card:#fffdf8; --card2:#fbf6ee;
  --text:#3b2f25; --sub:#9a8570;
  --wood:#8a613f; --wood-dark:#5c4033; --wood-light:#b98a5e;
  --accent-grad:linear-gradient(135deg,#a97a50 0%,#6e4e33 100%);
  --soft:#f1e6d6; --border:#e7dbc9;
  --danger:#b3543f;
  --shadow:0 2px 12px rgba(92,64,51,.08);
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",sans-serif;
  background:linear-gradient(170deg,var(--bg1) 0%,var(--bg2) 100%);
  background-attachment:fixed;
  color:var(--text); min-height:100vh;
  padding-bottom:calc(30px + env(safe-area-inset-bottom));
}
.wrap{max-width:520px;margin:0 auto;padding:14px 18px;}
header{padding-top:calc(12px + env(safe-area-inset-top));}
h1.app-title{
  margin:0;font-size:23px;font-weight:600;letter-spacing:.5px;
  font-family:Palatino,"Palatino Linotype","Noto Serif TC",Georgia,serif;
  background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.app-sub{font-size:11px;color:var(--sub);letter-spacing:2.5px;text-transform:uppercase;margin-top:3px;}

svg.ic{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;}
svg.ic-s{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-2px;flex-shrink:0;}

.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;margin-bottom:14px;box-shadow:var(--shadow);}
.card h3{
  margin:0 0 12px;font-size:15px;letter-spacing:1px;display:flex;align-items:center;gap:8px;color:var(--wood-dark);
  font-family:Palatino,"Noto Serif TC",Georgia,serif;font-weight:600;
}
.card h3 svg{width:17px;height:17px;stroke:var(--wood);}

/* dept grid */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px;}
.dept{
  background:var(--card);border:1px solid var(--border);border-radius:18px;padding:18px 14px;
  display:flex;flex-direction:column;align-items:center;gap:10px;cursor:pointer;
  box-shadow:var(--shadow);transition:transform .06s;text-align:center;
}
.dept:active{transform:scale(.97);}
.dept .dicon{
  width:52px;height:52px;border-radius:16px;background:var(--soft);color:var(--wood);
  display:flex;align-items:center;justify-content:center;
}
.dept .dicon svg{width:26px;height:26px;}
.dept .dname{font-size:13.5px;font-weight:600;line-height:1.4;}

/* topbar in dept page */
.topbar{display:flex;align-items:center;gap:10px;margin:6px 0 14px;}
.backbtn{
  background:var(--card);border:1px solid var(--border);border-radius:12px;width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;color:var(--wood);cursor:pointer;box-shadow:var(--shadow);
}
.topbar h2{
  margin:0;font-size:19px;font-family:Palatino,"Noto Serif TC",Georgia,serif;color:var(--wood-dark);letter-spacing:.5px;
  display:flex;align-items:center;gap:8px;
}

/* checklist */
.duty{
  display:flex;align-items:flex-start;gap:12px;padding:12px 2px;border-bottom:1px solid var(--soft);cursor:pointer;user-select:none;
}
.duty:last-child{border-bottom:none;}
.duty .check{
  width:26px;height:26px;border-radius:50%;border:1.5px solid var(--border);margin-top:1px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;color:transparent;background:var(--card2);
}
.duty .check svg{width:14px;height:14px;stroke-width:2.5;}
.duty.done .check{background:var(--accent-grad);border-color:transparent;color:#f7efe4;}
.duty .dt{flex:1;}
.duty .dt .t{font-size:14.5px;line-height:1.5;}
.duty.done .dt .t{text-decoration:line-through;color:var(--sub);}
.duty .dt .n{font-size:12px;color:var(--sub);margin-top:2px;line-height:1.5;}
.progress-line{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.progress-line .txt{font-size:12px;color:var(--sub);white-space:nowrap;}
.bar{flex:1;height:6px;background:var(--soft);border-radius:3px;overflow:hidden;}
.bar>div{height:100%;background:var(--accent-grad);border-radius:3px;transition:width .3s;}

/* gallery */
.gal{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.gitem{cursor:pointer;}
.gitem .ph{
  width:100%;aspect-ratio:4/3;border-radius:12px;background:var(--soft);object-fit:cover;display:block;
  border:1px solid var(--border);
}
.gitem .noimg{
  width:100%;aspect-ratio:4/3;border-radius:12px;background:var(--soft);border:1px dashed var(--wood-light);
  display:flex;align-items:center;justify-content:center;color:var(--wood-light);
}
.gitem .cap{font-size:12.5px;margin-top:6px;color:var(--wood-dark);font-weight:600;line-height:1.4;}

/* notes */
.noteblock{font-size:14.5px;line-height:1.8;white-space:pre-wrap;word-break:break-word;padding:4px 2px;border-bottom:1px solid var(--soft);margin-bottom:10px;padding-bottom:12px;}
.noteblock:last-child{border-bottom:none;margin-bottom:0;padding-bottom:4px;}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(30,22,16,.93);z-index:50;display:none;flex-direction:column;padding:20px;padding-top:calc(20px + env(safe-area-inset-top));}
.lightbox.open{display:flex;}
.lightbox img{max-width:100%;max-height:60vh;object-fit:contain;border-radius:12px;margin:auto auto 0;}
.lightbox .lb-txt{color:#f0e6d8;margin:16px auto auto;max-width:480px;width:100%;}
.lightbox .lb-txt b{font-size:16px;display:block;margin-bottom:6px;font-family:Palatino,"Noto Serif TC",serif;}
.lightbox .lb-txt p{font-size:14px;line-height:1.7;white-space:pre-wrap;margin:0;opacity:.85;}
.lightbox .lb-close{position:absolute;top:calc(14px + env(safe-area-inset-top));right:14px;background:rgba(255,253,248,.15);border:none;color:#f0e6d8;width:38px;height:38px;border-radius:50%;font-size:20px;cursor:pointer;}

footer{margin-top:26px;text-align:center;font-size:12px;color:var(--sub);}
footer a{color:var(--wood);text-decoration:none;border-bottom:1px dashed var(--wood-light);padding-bottom:1px;}

/* buttons & forms (admin + shared) */
.btn{
  padding:12px 16px;border-radius:12px;border:none;font-size:14px;cursor:pointer;letter-spacing:1px;
  display:inline-flex;align-items:center;gap:7px;justify-content:center;
}
.btn-primary{background:var(--accent-grad);color:#f7efe4;}
.btn-ghost{background:var(--card);color:var(--wood);border:1px solid var(--border);}
.btn-danger{background:none;color:var(--danger);border:1px solid var(--border);}
.btn-block{width:100%;}
.btn-sm{padding:7px 10px;font-size:12px;border-radius:9px;}
input[type=text],input[type=password],textarea,select{
  width:100%;padding:12px;border:1px solid var(--border);border-radius:12px;font-size:15px;
  background:var(--card2);color:var(--text);font-family:inherit;
}
textarea{min-height:90px;resize:vertical;line-height:1.6;}
label.f{display:block;font-size:12px;color:var(--sub);margin:12px 0 6px;letter-spacing:1px;}

.empty{text-align:center;color:var(--sub);padding:26px 0;font-size:13.5px;line-height:1.7;}

/* admin rows */
.row{
  display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--border);
  border-radius:14px;padding:12px;margin-bottom:8px;box-shadow:var(--shadow);
}
.row .ricon{width:36px;height:36px;border-radius:10px;background:var(--soft);color:var(--wood);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.row .ricon svg{width:19px;height:19px;}
.row .rname{flex:1;font-size:14px;line-height:1.4;min-width:0;overflow-wrap:break-word;}
.row .rname small{display:block;color:var(--sub);font-size:11.5px;margin-top:2px;}
.row .rbtns{display:flex;gap:4px;flex-shrink:0;}
.row .rbtns button{
  background:var(--card2);border:1px solid var(--border);border-radius:8px;width:30px;height:30px;
  display:flex;align-items:center;justify-content:center;color:var(--wood);cursor:pointer;padding:0;
}
.row .rbtns button svg{width:14px;height:14px;}
.row .rbtns button.danger{color:var(--danger);}
.thumb{width:44px;height:44px;border-radius:10px;object-fit:cover;border:1px solid var(--border);flex-shrink:0;}

/* modal form */
.modal{position:fixed;inset:0;background:rgba(59,47,37,.5);display:none;align-items:flex-end;z-index:40;}
.modal.open{display:flex;}
.sheet{
  background:var(--card);width:100%;max-width:520px;margin:0 auto;border-radius:22px 22px 0 0;
  padding:22px 22px calc(24px + env(safe-area-inset-bottom));max-height:86vh;overflow-y:auto;
}
.sheet h3{margin:0 0 6px;font-family:Palatino,"Noto Serif TC",Georgia,serif;letter-spacing:1px;color:var(--wood-dark);}
.sheet .actions{display:flex;gap:10px;margin-top:18px;}
.sheet .actions .btn{flex:1;}
.icon-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:6px;}
.icon-grid button{
  aspect-ratio:1;border:1px solid var(--border);border-radius:12px;background:var(--card2);cursor:pointer;
  display:flex;align-items:center;justify-content:center;color:var(--sub);
}
.icon-grid button svg{width:20px;height:20px;}
.icon-grid button.sel{background:var(--accent-grad);color:#f7efe4;border-color:transparent;}

.savebar{
  position:fixed;top:calc(10px + env(safe-area-inset-top));right:14px;z-index:30;
  background:var(--card);border:1px solid var(--border);border-radius:20px;padding:6px 14px;
  font-size:12px;color:var(--sub);box-shadow:var(--shadow);display:flex;align-items:center;gap:6px;
}
.savebar.saving{color:var(--wood);}
.savebar.err{color:var(--danger);}