:root{--bg:#08111f;--card:#111c2f;--card2:#16243a;--text:#f7fafc;--muted:#9fb0c8;--accent:#53d3a5;--line:#263853;--danger:#ff6b7a}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:linear-gradient(180deg,#08111f,#0d1728 45%,#07101c);color:var(--text);min-height:100vh}a{color:inherit;text-decoration:none}.container{width:min(1100px,calc(100% - 28px));margin:auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(8,17,31,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.topbar .inner{height:66px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;letter-spacing:.2px}.btn{border:0;border-radius:12px;padding:11px 15px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:7px}.btn-primary{background:var(--accent);color:#062218}.btn-secondary{background:#20314b;color:white}.btn-danger{background:#44202a;color:#ffd8dc}.hero{padding:54px 0 28px}.hero h1{font-size:clamp(30px,7vw,58px);margin:0 0 12px;line-height:1.05}.muted{color:var(--muted)}.description-wrap{margin-top:10px}.item-description-wrap{margin-top:10px}.collapsible-description{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1;overflow:hidden;margin:0;line-height:1.65;white-space:normal}.collapsible-description.is-expanded{display:block;overflow:visible}.description-toggle{display:inline-flex;margin-top:7px;padding:0;border:0;background:transparent;color:var(--accent);font:inherit;font-size:13px;font-weight:800;cursor:pointer}.description-toggle:hover{text-decoration:underline}.description-toggle[hidden]{display:none}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.summary-total-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.card{background:linear-gradient(145deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 18px 50px rgba(0,0,0,.18)}.timeline{position:relative;padding-left:24px}.timeline:before{content:'';position:absolute;left:7px;top:10px;bottom:10px;width:2px;background:var(--line)}.item{position:relative;margin-bottom:18px}.item:before{content:'';position:absolute;left:-22px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px #143129}.item h3{margin:0 0 6px}.badge{display:inline-flex;border:1px solid var(--line);background:#0b1627;border-radius:999px;padding:6px 10px;font-size:12px}.cost-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.empty{min-height:100vh;display:grid;place-items:center;text-align:center}.empty h1{font-size:clamp(35px,9vw,78px);margin:0}.admin-shell{display:grid;grid-template-columns:245px 1fr;min-height:100vh}.sidebar{padding:22px;background:#091322;border-right:1px solid var(--line);position:sticky;top:0;height:100vh}.sidebar nav{display:grid;gap:8px;margin-top:30px}.sidebar nav a{padding:12px 14px;border-radius:12px;color:var(--muted)}.sidebar nav a:hover{background:#15233a;color:white}.content{padding:28px}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;min-width:720px}.table th,.table td{padding:13px;border-bottom:1px solid var(--line);text-align:left}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}label{font-size:13px;color:var(--muted);font-weight:700}input,select,textarea{width:100%;border:1px solid var(--line);background:#0a1526;color:white;padding:12px 13px;border-radius:12px;outline:none}textarea{min-height:100px;resize:vertical}.repeater-row{border:1px solid var(--line);border-radius:16px;padding:15px;margin-top:14px;background:#0c182a}.cost-row{display:grid;grid-template-columns:1.2fr 1fr .8fr 1fr auto;gap:8px;margin-top:8px}.actions{display:flex;gap:8px;flex-wrap:wrap}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(430px,100%)}.notice{padding:12px 14px;border:1px solid #285646;background:#102d26;border-radius:12px;margin-bottom:14px}@media(max-width:900px){.grid-3{grid-template-columns:1fr 1fr}.summary-grid .card:last-child{grid-column:1/-1}}@media(max-width:800px){.admin-shell{display:block}.sidebar{height:auto;position:relative;border-right:0;border-bottom:1px solid var(--line)}.sidebar nav{grid-template-columns:repeat(3,1fr);margin-top:15px}.content{padding:18px}.grid-2,.grid-3,.form-grid{grid-template-columns:1fr}.summary-grid .card:last-child{grid-column:auto}.cost-row{grid-template-columns:1fr 1fr}.cost-row button{grid-column:1/-1}.hero{padding-top:32px}.card{padding:16px}}

.item-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px}.item-toolbar-left,.item-order-actions{display:flex;align-items:center;gap:8px}.drag-handle{width:40px;height:40px;border:1px solid var(--line);border-radius:11px;background:#17263d;color:var(--text);font-size:20px;font-weight:800;cursor:grab;touch-action:none}.drag-handle:active{cursor:grabbing}.btn-icon{width:40px;height:40px;justify-content:center;padding:0;font-size:18px}.btn:disabled{opacity:.35;cursor:not-allowed}.item-row.dragging{opacity:.45;border-style:dashed}.item-row.drag-over{border-color:var(--accent);box-shadow:0 0 0 2px rgba(83,211,165,.18)}.item-row.item-moved{animation:itemMoved .35s ease}@keyframes itemMoved{0%{transform:scale(.985);border-color:var(--accent)}100%{transform:scale(1)}}@media(max-width:600px){.item-toolbar{align-items:flex-start}.item-order-actions{flex-wrap:wrap;justify-content:flex-end}.item-order-actions .btn-danger{width:100%;justify-content:center}.drag-handle{display:none}}

.bottom-form-actions{align-items:center}.bottom-form-actions .btn{justify-content:center}@media(max-width:600px){.bottom-form-actions{display:grid;grid-template-columns:1fr 1fr}.bottom-form-actions .btn:last-child{grid-column:1/-1}}

.itinerary-tabs-card{padding:0;overflow:visible}.day-tabs{display:flex;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line);overflow-x:auto;overscroll-behavior-inline:contain;scroll-snap-type:x proximity;scrollbar-width:thin;position:sticky;top:66px;z-index:18;background:rgba(17,28,47,.97);backdrop-filter:blur(14px)}.day-tabs::-webkit-scrollbar{height:5px}.day-tab{flex:0 0 auto;min-width:112px;border:1px solid var(--line);border-radius:14px;background:#0b1627;color:var(--muted);padding:10px 14px;text-align:left;cursor:pointer;scroll-snap-align:center;transition:.2s ease}.day-tab span,.day-tab small{display:block}.day-tab span{font-weight:800;color:var(--text)}.day-tab small{margin-top:3px;font-size:11px}.day-tab:hover{border-color:#3b5577;transform:translateY(-1px)}.day-tab.is-active{background:var(--accent);border-color:var(--accent);color:#12352b;box-shadow:0 8px 22px rgba(83,211,165,.18)}.day-tab.is-active span{color:#062218}.day-panels{padding:22px}.day-panel[hidden]{display:none}.day-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:22px}.day-heading h2{margin:9px 0 0;font-size:clamp(20px,4vw,30px)}.day-heading>.muted{white-space:nowrap;margin-top:8px}.day-panel .item:last-child{margin-bottom:0}@media(max-width:600px){.itinerary-tabs-card{margin-left:-2px;margin-right:-2px}.day-tabs{top:65px;padding:10px 12px;gap:8px}.day-tab{min-width:102px;padding:9px 12px;border-radius:12px}.day-panels{padding:17px 14px 20px}.day-heading{display:block;margin-bottom:18px}.day-heading>.muted{display:block;margin-top:8px}.day-panel .timeline{padding-left:21px}.day-panel .item:before{left:-19px}}

/* v2.6 enhancements */
.brand-with-logo,.admin-brand{display:flex;align-items:center;gap:10px}.brand-with-logo img{width:34px;height:34px;object-fit:contain;border-radius:9px}.admin-brand img{width:46px;height:46px;object-fit:contain;border-radius:12px}.admin-brand span{font-weight:800;color:var(--text)}.empty-logo{width:110px;height:110px;object-fit:contain;border-radius:24px;margin-bottom:18px}.logo-preview img{width:120px;height:120px;object-fit:contain;border:1px solid var(--line);border-radius:18px;background:#0a1526}.code-editor{min-height:320px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.section-title,.subsection-head{justify-content:space-between;align-items:center;margin-top:24px}.repeater-row{padding:0;overflow:hidden}.repeater-row>summary{list-style:none;padding:15px;cursor:pointer}.repeater-row>summary::-webkit-details-marker{display:none}.repeater-row[open]>summary{border-bottom:1px solid var(--line);background:#101e33}.item-body{padding:16px}.item-summary-title{color:var(--muted);font-size:13px;max-width:320px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.media-list{display:grid;gap:12px;margin-top:10px}.media-row{display:grid;grid-template-columns:120px 1fr 1fr auto;gap:12px;padding:14px;border:1px solid var(--line);border-radius:14px;background:#091526}.media-row .full{grid-column:2/4}.media-thumb{width:120px;height:100px;object-fit:cover;border-radius:12px;grid-row:1/3}.media-delete{align-self:end}.live-info{display:grid;grid-template-columns:1fr 1fr auto;align-items:center;gap:18px;margin-bottom:16px}.live-info p{margin:7px 0 0}.summary-grid{margin-bottom:30px}.total-block+ .total-block{margin-top:14px}.total-block small{color:var(--muted);font-weight:700}.itinerary-live-item{position:relative;margin-bottom:18px;border-bottom:1px solid var(--line);padding:0 0 18px}.itinerary-live-item:last-child{border-bottom:0}.itinerary-live-item>summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:12px;border-radius:14px}.itinerary-live-item>summary::-webkit-details-marker{display:none}.itinerary-live-item h3{margin:10px 0 0}.item-content{padding:0 12px 8px}.status-label{font-size:12px;font-weight:800;border-radius:999px;padding:6px 10px;background:#20314b;white-space:nowrap}.itinerary-live-item.is-current>summary{background:rgba(83,211,165,.12);box-shadow:inset 0 0 0 1px var(--accent)}.itinerary-live-item.is-current .status-label{background:var(--accent);color:#062218}.itinerary-live-item.is-past{opacity:.68}.itinerary-live-item.is-past .status-label{background:#263349;color:#aebbd0}.reference-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px}.reference-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#0a1526}.reference-card img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}.reference-card p,.reference-link{display:block;margin:0;padding:12px}.reference-link{font-weight:800;border-bottom:1px solid var(--line)}
@media(max-width:800px){.live-info{grid-template-columns:1fr}.live-info .btn{justify-self:start}.media-row{grid-template-columns:1fr}.media-row .full{grid-column:auto}.media-thumb{width:100%;height:180px;grid-row:auto}.reference-grid{grid-template-columns:1fr}.item-summary-title{max-width:140px}.repeater-row>summary{align-items:flex-start}.item-toolbar-left{flex-wrap:wrap}.item-toolbar-left .item-summary-title{width:100%;padding-left:48px}}

/* Admin itinerary day tabs v2.7 */
.admin-day-tabs{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 12px;margin-bottom:8px;scrollbar-width:thin;scroll-snap-type:x proximity}
.admin-day-tab{flex:0 0 auto;min-width:145px;padding:11px 14px;border:1px solid #314763;border-radius:14px;background:#101d30;color:#dbeafe;text-align:left;cursor:pointer;scroll-snap-align:start;transition:.18s ease}
.admin-day-tab span{display:block;font-weight:700;white-space:nowrap}
.admin-day-tab small{display:block;margin-top:3px;color:#8fa9c8}
.admin-day-tab:hover{border-color:#4c6d94;transform:translateY(-1px)}
.admin-day-tab.active{background:#17385f;border-color:#4da3ff;box-shadow:0 0 0 2px rgba(77,163,255,.13)}
.admin-day-tab.active small{color:#c6e2ff}
.admin-day-info{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;margin-bottom:12px;border:1px solid #263d59;border-radius:12px;background:#0d192a;color:#cfe3fb}
.admin-day-info span{color:#90aac8;font-size:.9rem}
.item-row[hidden]{display:none!important}
@media(max-width:640px){.admin-day-tabs{margin-left:-4px;margin-right:-4px;padding-left:4px;padding-right:4px}.admin-day-tab{min-width:132px;padding:10px 12px}.admin-day-info{align-items:flex-start;flex-direction:column;gap:3px}.section-title{align-items:flex-start!important;gap:12px}.section-title .btn{flex:0 0 auto}}


/* v2.10 expense items and compact mobile frontend */
.expense-admin-card{margin-top:26px;padding:0;overflow:hidden}.card-summary{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;cursor:pointer;list-style:none}.card-summary::-webkit-details-marker{display:none}.card-summary h2{margin:0 0 5px}.card-summary p{margin:0}.summary-chevron{font-size:24px;transition:transform .2s}.expense-admin-card:not([open]) .summary-chevron{transform:rotate(-90deg)}.card-collapsible-body{padding:0 20px 20px;border-top:1px solid var(--line)}.expense-actions{justify-content:flex-end;margin:16px 0}.expense-admin-list{display:grid;gap:12px}.expense-admin-row{padding:15px;border:1px solid var(--line);border-radius:15px;background:#0a1526}.expense-row-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.expense-form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.expense-form-grid .full{grid-column:1/-1}.expense-form-grid textarea{min-height:70px}.compact-summary{align-items:stretch}.trip-summary-card p{margin-bottom:0}.expense-totals-compact{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:10px}.expense-totals-compact small{display:block;color:var(--muted);font-weight:700;margin-bottom:7px}.public-expense-card{padding:0;margin-bottom:18px}.public-expense-card>summary{display:flex;justify-content:space-between;align-items:center;cursor:pointer;padding:15px 17px;list-style:none}.public-expense-card>summary::-webkit-details-marker{display:none}.public-expense-list{padding:0 17px 13px;border-top:1px solid var(--line)}.public-expense-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}.public-expense-row:last-child{border-bottom:0}.public-expense-row small{display:block;color:var(--muted);margin-top:4px}.public-expense-row .badge{flex:0 0 auto}
@media(max-width:800px){.expense-form-grid{grid-template-columns:1fr 1fr}.expense-form-grid .full{grid-column:1/-1}.compact-summary{gap:10px;margin-bottom:18px}.compact-summary .card{padding:14px}.expense-totals-compact{gap:8px}.live-info{padding:13px;margin-bottom:10px}.live-info>div p{font-size:12px}.live-info .btn{width:100%;padding:9px 12px}.hero{padding-bottom:16px}.summary-grid{margin-bottom:18px}.day-panels{padding-top:13px}.itinerary-live-item{margin-bottom:10px;padding-bottom:10px}.itinerary-live-item>summary{padding:10px}.item-content{padding:0 10px 5px}}
@media(max-width:560px){.expense-form-grid{grid-template-columns:1fr}.expense-form-grid .full{grid-column:auto}.card-summary{padding:15px}.card-collapsible-body{padding:0 14px 14px}.expense-admin-row{padding:12px}.expense-totals-compact{grid-template-columns:1fr}.compact-summary{grid-template-columns:1fr}.trip-summary-card p{font-size:13px}.public-expense-row{align-items:flex-start}.public-expense-row .badge{font-size:11px}.bottom-form-actions{grid-template-columns:1fr 1fr}.bottom-form-actions .btn:last-child{grid-column:1/-1}}
.expense-detail-group{padding-top:12px}.expense-detail-group+.expense-detail-group{margin-top:14px;border-top:1px solid rgba(148,163,184,.22)}.expense-detail-group h3{margin:0 0 10px;font-size:.92rem}.public-expense-row small{display:block;margin-top:3px}.cost-list{margin-top:12px;padding-top:10px;border-top:1px dashed rgba(148,163,184,.24)}

/* v2.12 frontend editable exchange rates */
.expense-idr-badge{font-size:14px;font-weight:800;background:rgba(83,211,165,.12);border-color:rgba(83,211,165,.45);color:#bdf8e3}.rate-warning{margin:12px 0 0;color:#f8d477;font-size:12px;line-height:1.5}.exchange-rate-card{padding:0;margin-bottom:18px}.exchange-rate-card>summary{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:15px 17px;cursor:pointer;list-style:none}.exchange-rate-card>summary::-webkit-details-marker{display:none}.exchange-rate-card>summary small{display:block;color:var(--muted);margin-top:4px}.exchange-rate-card:not([open]) .summary-chevron{transform:rotate(-90deg)}.exchange-rate-form{padding:16px 17px;border-top:1px solid var(--line)}.exchange-rate-grid{display:grid;gap:10px}.exchange-rate-row{display:grid;grid-template-columns:auto minmax(130px,1fr) auto;align-items:center;gap:10px;padding:11px 12px;border:1px solid var(--line);border-radius:13px;background:#0a1526;color:var(--text)}.exchange-rate-row input{min-width:0}.exchange-rate-actions{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:14px}.exchange-rate-actions .btn{flex:0 0 auto}@media(max-width:560px){.exchange-rate-card>summary{padding:13px 14px}.exchange-rate-form{padding:13px 14px}.exchange-rate-row{grid-template-columns:auto minmax(0,1fr) auto;padding:9px}.exchange-rate-actions{align-items:stretch;flex-direction:column}.exchange-rate-actions .btn{width:100%;justify-content:center}}


/* v2.13 homepage trip links */
.home-landing{padding:28px 18px}.home-landing-inner{width:min(680px,100%);text-align:center}.home-trip-links{display:grid;gap:10px;margin:26px auto 0;width:min(560px,100%);text-align:left}.home-trip-tag{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;padding:13px 15px;border:1px solid var(--line);border-radius:16px;background:rgba(15,30,51,.88);color:var(--text);text-decoration:none;box-shadow:0 10px 30px rgba(0,0,0,.14);transition:transform .18s ease,border-color .18s ease,background .18s ease}.home-trip-tag:hover{transform:translateY(-2px);border-color:#4da3ff;background:#132944}.home-trip-tag-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:rgba(83,211,165,.12);color:var(--accent);font-size:18px}.home-trip-tag strong,.home-trip-tag small{display:block}.home-trip-tag strong{font-size:14px;line-height:1.3}.home-trip-tag small{margin-top:4px;color:var(--muted);font-size:11px}.home-trip-tag-arrow{font-size:20px;color:#8fbef3}@media(max-width:560px){.home-landing{align-items:flex-start;padding-top:54px}.home-trip-links{margin-top:20px}.home-trip-tag{padding:12px}.home-trip-tag-icon{width:31px;height:31px}.home-trip-tag-arrow{font-size:17px}}

/* v2.14: reliable sticky day navigation */
.day-tabs{border-radius:20px 20px 0 0;box-shadow:0 10px 24px rgba(0,0,0,.16)}
@media(max-width:600px){.day-tabs{top:65px;border-radius:18px 18px 0 0}.day-tab{min-width:108px}}


/* v2.15 reliable sticky frontend day tabs */
.itinerary-tabs-card{overflow:visible!important}
.day-tabs-sticky{
 position:sticky;
 position:-webkit-sticky;
 top:66px;
 z-index:50;
 margin:0;
 background:rgba(17,28,47,.98);
 border-bottom:1px solid var(--line);
 border-radius:20px 20px 0 0;
 box-shadow:0 10px 24px rgba(0,0,0,.18);
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
}
.day-tabs-sticky .day-tabs{
 position:relative!important;
 top:auto!important;
 z-index:auto!important;
 overflow-x:auto;
 overflow-y:hidden;
 background:transparent!important;
 border-bottom:0!important;
 border-radius:inherit;
 box-shadow:none!important;
 -webkit-overflow-scrolling:touch;
}
@media(max-width:600px){
 .day-tabs-sticky{top:65px;border-radius:18px 18px 0 0}
}

/* v2.16: installed-PWA sticky compatibility */
@media (display-mode: standalone), (display-mode: fullscreen) {
  .topbar {
    padding-top: env(safe-area-inset-top, 0px);
  }
  .day-tabs-sticky {
    top: calc(66px + env(safe-area-inset-top, 0px));
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: transform;
  }
}