:root{
  --ink:#20232C;
  --ink-soft:#585C68;
  --paper:#F7F3EC;
  --paper-raised:#FFFFFF;
  --line:#DDD3C4;
  --rose:#A9525F;
  --rose-deep:#7E3947;
  --gold:#AD8A4E;
  --sage:#697A5C;
  --sage-bg:#EEF1E7;
  --rose-bg:#F6E8E9;
  --amber-bg:#FBF0DC;
  --amber:#96702F;
  --radius:3px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  font-size:14px;
  line-height:1.5;
}
h1,h2,h3,.serif{font-family:'Cormorant Garamond',serif;}
.app{display:flex;min-height:100vh;}

/* Sidebar */
.sidebar{width:230px;flex-shrink:0;background:var(--ink);color:#EFEAE0;display:flex;flex-direction:column;padding:28px 0;}
.brand{padding:0 22px 22px;border-bottom:1px solid rgba(239,234,224,0.15);margin-bottom:18px;}
.brand .names{font-family:'Cormorant Garamond',serif;font-size:26px;line-height:1.15;font-style:italic;color:#F3E7DA;}
.brand .sub{font-size:11px;letter-spacing:.04em;color:#B7AFA0;margin-top:6px;}
nav{display:flex;flex-direction:column;gap:1px;flex:1;}
nav button{all:unset;cursor:pointer;display:flex;align-items:center;gap:10px;padding:11px 22px;font-size:13.5px;color:#CFC8B8;border-left:2px solid transparent;}
nav button:hover{background:rgba(255,255,255,0.05);color:#fff;}
nav button.active{background:rgba(169,82,95,0.18);color:#fff;border-left-color:var(--rose);}
nav .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.5;flex-shrink:0;}
.sidebar-foot{padding:14px 22px 0;font-size:11px;color:#8B8474;border-top:1px solid rgba(239,234,224,0.12);margin-top:14px;padding-top:14px;}

/* Main */
main{flex:1;padding:34px 40px;max-width:1180px;}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:22px;gap:16px;flex-wrap:wrap;}
.page-head h1{font-size:30px;font-weight:600;margin:0;}
.page-head p{margin:4px 0 0;color:var(--ink-soft);font-size:13px;}

.btn{all:unset;box-sizing:border-box;cursor:pointer;display:inline-flex;align-items:center;gap:6px;padding:9px 16px;font-size:13px;font-weight:600;border-radius:var(--radius);border:1px solid var(--ink);background:var(--ink);color:#F7F3EC;}
.btn:hover{background:#343844;}
.btn.secondary{background:transparent;color:var(--ink);border:1px solid var(--line);}
.btn.secondary:hover{border-color:var(--ink);}
.btn.rose{background:var(--rose);border-color:var(--rose);}
.btn.rose:hover{background:var(--rose-deep);}
.btn.small{padding:5px 10px;font-size:12px;}
.btn:disabled{opacity:.45;cursor:not-allowed;}

.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:26px;}
.stat{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);padding:16px 16px 14px;}
.stat .num{font-family:'Cormorant Garamond',serif;font-size:34px;font-weight:600;line-height:1;}
.stat .lbl{font-size:12px;color:var(--ink-soft);margin-top:6px;}
.stat.rose .num{color:var(--rose-deep);}
.stat.sage .num{color:var(--sage);}
.stat.gold .num{color:var(--amber);}

.card{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:20px;}
.card h2{font-size:20px;margin:0 0 4px;font-weight:600;}
.card .desc{color:var(--ink-soft);font-size:12.5px;margin:0 0 16px;}

table{width:100%;border-collapse:collapse;font-size:13px;}
thead th{text-align:left;font-weight:600;color:var(--ink-soft);font-size:11.5px;border-bottom:1px solid var(--line);padding:8px 10px;white-space:nowrap;}
tbody td{padding:9px 10px;border-bottom:1px solid #EDE6D8;vertical-align:middle;}
tbody tr:hover{background:#FBF8F2;}
input[type=text],input[type=number],input[type=tel],input[type=email],input[type=file],select,textarea{width:100%;padding:7px 9px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;font-family:inherit;font-size:13px;color:var(--ink);}
input:focus,select:focus,textarea:focus{outline:2px solid var(--rose);outline-offset:0;border-color:var(--rose);}
label{font-size:12px;color:var(--ink-soft);display:block;margin-bottom:4px;}
.field{margin-bottom:12px;}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;}

.pill{display:inline-flex;align-items:center;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:600;white-space:nowrap;}
.pill.pending{background:var(--amber-bg);color:var(--amber);}
.pill.yes{background:var(--sage-bg);color:var(--sage);}
.pill.no{background:var(--rose-bg);color:var(--rose-deep);}
.pill.sent{background:#E7ECF3;color:#3A5779;}
.pill.notsent{background:#EFEAE0;color:#8B8474;}
.pill.checked{background:var(--sage-bg);color:var(--sage);}

.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:16px;flex-wrap:wrap;}
.toolbar input[type=text]{width:220px;}
.toolbar select{width:auto;}
.spacer{flex:1;}

.empty{padding:40px 20px;text-align:center;color:var(--ink-soft);}
.empty .serif{font-size:22px;color:var(--ink);display:block;margin-bottom:6px;}

.modal-bg{position:fixed;inset:0;background:rgba(32,35,44,0.55);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px;}
.modal{background:var(--paper-raised);border-radius:var(--radius);max-width:560px;width:100%;max-height:88vh;overflow:auto;padding:26px 28px;}
.modal h2{margin-top:0;}
.modal-close{float:right;all:unset;cursor:pointer;color:var(--ink-soft);font-size:20px;line-height:1;}

.divider{border:none;border-top:1px solid var(--line);margin:18px 0;}

.invite-card{background:#FFFDF9;border:1px solid var(--gold);border-radius:2px;padding:40px 30px 34px;text-align:center;position:relative;overflow:hidden;}
.invite-card .orn{color:var(--gold);font-size:13px;letter-spacing:.3em;margin-bottom:10px;position:relative;z-index:2;}
.invite-card h2{font-size:26px;margin:0 0 2px;position:relative;z-index:2;font-family:inherit;}
.invite-card h2.couple-names{display:flex;flex-direction:column;align-items:center;line-height:1.25;gap:1px;}
.invite-card h2.couple-names .couple-line{display:block;white-space:nowrap;}
.invite-card .names-inv{font-size:30px;margin:10px 0;position:relative;z-index:2;}
.invite-card .meta{font-size:13px;color:var(--ink-soft);margin-bottom:4px;position:relative;z-index:2;}
.invite-card > div, .invite-card > img, .invite-card > h2{position:relative;z-index:2;}
.invite-card .corner{position:absolute;width:104px;height:104px;pointer-events:none;opacity:0.9;z-index:1;}
.invite-card .corner svg{width:100%;height:100%;display:block;}
.invite-card .corner.tl{top:-8px;left:-8px;}
.invite-card .corner.tr{top:-8px;right:-8px;transform:scaleX(-1);}
.invite-card .corner.bl{bottom:-8px;left:-8px;transform:scaleY(-1);}
.invite-card .corner.br{bottom:-8px;right:-8px;transform:scale(-1,-1);}
.invite-card.has-custom-bg{border:none;background-size:cover;background-position:center;aspect-ratio:3/4;display:flex;flex-direction:column;justify-content:center;padding:34px 26px;}
.invite-card.has-custom-bg .orn{display:none;}
.invite-card.has-custom-bg .names-inv,
.invite-card.has-custom-bg h2,
.invite-card.has-custom-bg .meta,
.invite-card.has-custom-bg > div{text-shadow:0 1px 3px rgba(255,255,255,.85), 0 0px 10px rgba(255,255,255,.6);}
.couple-photo{position:relative;z-index:2;display:block;margin:0 auto 16px;}
.couple-photo.framed{width:100%;max-width:320px;aspect-ratio:4/3;object-fit:cover;border-radius:2px;border:1px solid var(--gold);}
.couple-photo.cutout{max-width:230px;max-height:230px;width:auto;object-fit:contain;filter:drop-shadow(0 6px 14px rgba(32,35,44,0.18));}
.seating-map-preview{width:100%;max-width:420px;border:1px solid var(--line);border-radius:var(--radius);display:block;margin:10px auto;}

/* Album anh - qua cau 3D tu xoay (orbit globe), NEN TRONG SUOT de hien nen web phia sau */
.album-hint{text-align:center;font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);opacity:.75;margin:18px 0 4px;}
.album-globe{
  position:relative;width:100%;max-width:300px;aspect-ratio:1/1;margin:24px auto 32px;
  isolation:isolate;
  touch-action:pan-y;cursor:grab;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;
}
.album-globe.dragging{cursor:grabbing;}
.globe-stage{position:absolute;inset:0;}
.globe-tile{
  position:absolute;left:50%;top:50%;
  border-radius:8px;overflow:hidden;background:#d9d4ca;
  border:2px solid rgba(255,255,255,0.92);
  box-shadow:0 6px 18px rgba(20,21,27,0.28);
  will-change:transform,opacity;cursor:pointer;
}
.globe-tile img{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none;}

/* Xem anh lon (lightbox) */
.lightbox{
  position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;
  background:rgba(8,8,12,0.95);opacity:0;transition:opacity .25s ease;
  touch-action:none;user-select:none;-webkit-user-select:none;
}
.lightbox.show{opacity:1;}
.lb-stage{position:absolute;left:50%;transform:translateX(-50%);width:min(520px, calc(100% - 28px));top:62px;bottom:70px;display:flex;align-items:center;justify-content:center;}
.lb-img{
  max-width:100%;max-height:100%;object-fit:contain;display:block;border-radius:6px;
  border:1px solid rgba(173,138,78,0.45);box-shadow:0 20px 50px rgba(0,0,0,0.6);
}
.lb-close{
  position:absolute;top:14px;right:14px;width:42px;height:42px;padding:0;border-radius:50%;
  background:rgba(255,255,255,0.1);color:#fff;border:1px solid rgba(255,255,255,0.28);
  font-size:24px;line-height:38px;text-align:center;cursor:pointer;z-index:2;
}
.lb-counter{
  position:absolute;bottom:22px;left:50%;transform:translateX(-50%);
  padding:4px 15px;border:1px solid var(--gold);border-radius:20px;
  font-size:11px;letter-spacing:.09em;color:var(--gold);background:rgba(173,138,78,0.1);
}
.album-admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:10px;margin-bottom:14px;}
.album-admin-thumb{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:1/1;}
.album-admin-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.album-admin-thumb button{position:absolute;top:3px;right:3px;all:unset;box-sizing:border-box;cursor:pointer;width:20px;height:20px;border-radius:50%;background:rgba(32,35,44,0.75);color:#fff;font-size:12px;line-height:20px;text-align:center;}

/* Anh nen cho trang khach xem thiep */
.bg-photo-layer{position:fixed;inset:0;background-size:cover;background-position:center;z-index:-2;}
.bg-overlay-layer{position:fixed;inset:0;background:var(--paper);z-index:-1;}

/* Nut nhac nen */
.music-toggle{position:fixed;top:14px;right:14px;width:42px;height:42px;border-radius:50%;background:var(--ink);color:#fff;border:none;display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.25);z-index:10;}
.music-hint{position:fixed;top:60px;right:14px;max-width:150px;background:var(--ink);color:#F7F3EC;font-size:11px;padding:5px 10px;border-radius:14px;z-index:10;opacity:.9;text-align:center;}

.seating-note{font-size:11.5px;color:var(--ink-soft);font-style:italic;text-align:center;margin-top:8px;}
.qr-wrap{display:flex;justify-content:center;margin:14px 0;}
.qr-wrap > div{padding:10px;background:#fff;border:1px solid var(--line);border-radius:2px;}

.rsvp-choice{display:flex;gap:10px;justify-content:center;margin:16px 0;flex-wrap:wrap;}
.rsvp-choice button{all:unset;cursor:pointer;padding:10px 22px;border-radius:20px;font-weight:600;font-size:13px;border:1px solid var(--line);}
.rsvp-choice button.picked-yes{background:var(--sage-bg);border-color:var(--sage);color:var(--sage);}
.rsvp-choice button.picked-no{background:var(--rose-bg);border-color:var(--rose);color:var(--rose-deep);}

.table-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;}
.table-box{border:1px solid var(--line);border-radius:var(--radius);padding:14px;background:var(--paper-raised);}
.table-box .tname{font-family:'Cormorant Garamond',serif;font-size:20px;font-weight:600;}
.table-box .cap{font-size:11.5px;color:var(--ink-soft);margin-bottom:8px;}
.table-box .cap.over{color:var(--rose-deep);font-weight:600;}
.guest-chip{font-size:12px;padding:3px 0;border-bottom:1px dashed #EAE2D3;}
.bar{height:5px;border-radius:3px;background:#EDE6D8;overflow:hidden;margin:6px 0 10px;}
.bar > div{height:100%;background:var(--sage);}
.bar > div.over{background:var(--rose);}

.checkin-hero{display:flex;gap:12px;margin-bottom:18px;flex-wrap:wrap;}
.checkin-hero input{font-size:16px;padding:12px 14px;flex:1 1 220px;width:auto;}
.scanline{font-size:12px;color:var(--ink-soft);margin-top:4px;}

.msg-tpl{background:#FBF8F2;border:1px dashed var(--line);border-radius:var(--radius);padding:12px 14px;font-size:12.5px;color:var(--ink-soft);white-space:pre-wrap;margin-top:6px;}

.toast{position:fixed;bottom:22px;right:22px;background:var(--ink);color:#F7F3EC;padding:11px 18px;border-radius:var(--radius);font-size:13px;z-index:100;box-shadow:0 4px 18px rgba(0,0,0,.2);}

/* Guest RSVP page (rsvp.html) */
.guest-page-wrap{max-width:560px;margin:0 auto;padding:70px 20px 60px;}
.guest-footnote{text-align:center;margin-top:18px;color:var(--ink-soft);font-size:11.5px;}

/* Login gate */
.login-wrap{max-width:340px;margin:120px auto 0;padding:0 20px;}

@media (max-width:880px){
  .app{flex-direction:column;}
  .sidebar{width:100%;flex-direction:row;overflow-x:auto;padding:12px 0;}
  .brand{display:none;}
  nav{flex-direction:row;}
  .sidebar-foot{display:none;}
  main{padding:20px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .row-2,.row-3{grid-template-columns:1fr;}
}