:root{
  --bg:#f6f7f9; --card:#fff; --text:#0f172a; --muted:#64748b; --line:#e5e7eb;
  --ink:#111827; --accent:#4f46e5; --accent-soft:#eef2ff; --danger:#dc2626; --ok:#16a34a;
  --radius:12px; --shadow:0 1px 2px rgba(15,23,42,.05),0 4px 16px rgba(15,23,42,.04);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font:15px/1.5 -apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none} a:hover{text-decoration:underline}
h1{font-size:26px;margin:0;letter-spacing:-.02em} h2{font-size:19px;margin:0 0 4px;letter-spacing:-.01em} h3{font-size:15px;margin:0}
p{margin:0}
.muted{color:var(--muted)} .small{font-size:13px} .strong{font-weight:600;color:var(--text)} .center{text-align:center}
.pre{white-space:pre-line} .grow{flex:1} .mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
.pad{padding:0 12px}

/* top bar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:16px;height:60px;padding:0 20px;background:var(--card);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);letter-spacing:-.02em;font-size:17px} .brand:hover{text-decoration:none}
.brand.big{font-size:22px;justify-content:center}
.dot{width:12px;height:12px;border-radius:4px;background:linear-gradient(135deg,var(--accent),#06b6d4)}
.topnav{display:flex;gap:4px;margin-left:8px}
.topnav a{padding:6px 12px;border-radius:8px;color:var(--muted);font-weight:500} .topnav a:hover{background:var(--bg);text-decoration:none}
.topnav a.on{background:var(--accent-soft);color:var(--accent)}
.spacer{flex:1}

/* client picker */
.clientpick{position:relative}
.pick-btn{display:flex;align-items:center;gap:8px;max-width:300px;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);cursor:pointer;font:inherit}
.pick-btn strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pick-btn:hover{border-color:#cbd5e1}
.pick-panel{position:absolute;right:0;top:46px;width:320px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 40px rgba(15,23,42,.16);padding:10px}
.pick-panel input{width:100%;margin-bottom:6px}
.pick-panel ul{list-style:none;margin:0;padding:0;max-height:300px;overflow:auto}
.pick-panel li a{display:block;padding:8px 10px;border-radius:8px;color:var(--text)} .pick-panel li a:hover,.pick-panel li a.hl{background:var(--accent-soft);text-decoration:none}
.pick-panel li small{display:block;color:var(--muted)} .pick-panel .none{padding:10px;color:var(--muted)}

/* layout */
.layout{display:block}
.layout.has-side{display:grid;grid-template-columns:260px 1fr;min-height:calc(100vh - 60px)}
.side{background:var(--card);border-right:1px solid var(--line);padding:16px 12px;position:sticky;top:60px;align-self:start;height:calc(100vh - 60px);overflow:auto}
.side-client{display:block;padding:10px 12px;border-radius:10px;background:var(--bg);color:var(--text);margin-bottom:8px} .side-client:hover{text-decoration:none}
.side-client small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.06em} .side-client.on{background:var(--accent-soft)}
.side-h{margin:18px 12px 6px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.side-link{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:8px;color:var(--text)} .side-link:hover{background:var(--bg);text-decoration:none}
.side-link.on{background:var(--accent-soft);color:var(--accent);font-weight:600}
.side-link small{color:var(--muted)} .ico{width:16px;text-align:center}
.orient{display:inline-block;border:2px solid currentColor;border-radius:2px;opacity:.6;flex:none}
.orient.portrait{width:9px;height:14px} .orient.landscape{width:14px;height:9px}
.main{padding:28px 32px 60px;min-width:0;max-width:1400px;width:100%}

.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:0 0 20px;flex-wrap:wrap}
.page-head:not(:first-child){margin-top:32px}

/* components */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.card.empty{text-align:center;color:var(--muted);padding:40px;display:flex;flex-direction:column;align-items:center;gap:14px}
.card.narrow{max-width:560px}
.table-wrap{padding:0;overflow:auto}
table{width:100%;border-collapse:collapse}
th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);font-weight:600}
td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:middle} tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafafa}
td.actions{display:flex;gap:6px;justify-content:flex-end}
.tag{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--bg);font-size:12px;font-weight:600;text-transform:capitalize;color:var(--muted)}
.tag.admin{background:var(--accent-soft);color:var(--accent)}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap} .row.end{justify-content:flex-end;margin-top:6px} .row.tight{gap:6px}
form.inline{display:inline}
.stack{display:flex;flex-direction:column;gap:16px}
.grid-2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px} @media(max-width:1100px){.grid-2{grid-template-columns:1fr}}
.cols-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.details{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:28px} .details .wide{grid-column:1/-1}
.details .lbl,.kv .lbl,.field .lbl{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600;margin-bottom:2px}
.kv{display:flex;flex-direction:column;gap:2px}
h2+.card,h2+.table-wrap{margin-top:10px}

/* forms */
label{display:flex;flex-direction:column;gap:6px;font-weight:500;font-size:14px}
input,select,textarea{font:inherit;color:inherit;padding:9px 12px;border:1px solid #d1d5db;border-radius:9px;background:#fff;width:100%;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
textarea:disabled{background:var(--bg);color:var(--muted)}
input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--accent)}
label.check{flex-direction:row;align-items:center;gap:8px;font-weight:400}
.checklist{display:flex;flex-direction:column;gap:6px;max-height:220px;overflow:auto;border:1px solid var(--line);border-radius:9px;padding:10px 12px}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg label{flex:1;min-width:120px;position:relative}
.seg input{position:absolute;opacity:0}
.seg span{display:block;text-align:center;padding:9px 12px;border:1px solid #d1d5db;border-radius:9px;cursor:pointer;font-weight:500}
.seg input:checked+span{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.seg input:focus-visible+span{box-shadow:0 0 0 3px rgba(79,70,229,.25)}
.urlbox{display:flex;gap:6px} .urlbox input{font:13px ui-monospace,Menlo,monospace}
.hint summary{cursor:pointer;color:var(--accent);font-size:13px} .hint pre{white-space:pre-wrap;word-break:break-all;background:var(--bg);padding:10px;border-radius:8px;font-size:12px;margin:8px 0 0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border:1px solid var(--ink);border-radius:9px;background:var(--ink);color:#fff;font:inherit;font-weight:600;cursor:pointer;white-space:nowrap;text-decoration:none}
.btn:hover{opacity:.9;text-decoration:none}
.btn.ghost{background:transparent;color:var(--text);border-color:#d1d5db} .btn.ghost:hover{background:var(--bg);opacity:1}
.btn.danger{color:var(--danger)} .btn.danger.ghost:hover{background:#fef2f2;border-color:#fecaca}
.btn.sm{padding:6px 12px;font-size:13px} .btn.xs{padding:4px 9px;font-size:12px;font-weight:500} .btn.block{width:100%}
.btn:disabled{opacity:.35;cursor:default}
.linkbtn{background:none;border:0;padding:0;color:var(--accent);font:inherit;cursor:pointer} .linkbtn:hover{text-decoration:underline}

.flash{padding:12px 16px;border-radius:10px;margin-bottom:20px;font-size:14px;word-break:break-word}
.flash.ok{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}
.flash.err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}

/* dialog */
dialog{border:0;border-radius:16px;padding:24px;width:min(520px,calc(100vw - 32px));box-shadow:0 24px 80px rgba(15,23,42,.3);max-height:calc(100vh - 40px);overflow:auto}
dialog.wide-dialog{width:min(820px,calc(100vw - 32px))}
dialog::backdrop{background:rgba(15,23,42,.45)}
dialog h2{margin-bottom:16px}

/* slides */
.slide-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.slide-grid.portrait{grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}
.slide-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.thumb{position:relative;width:100%;overflow:hidden;background:#000}
.thumb iframe{position:absolute;left:0;top:0;border:0;transform-origin:0 0;pointer-events:none;background:#000}
.slide-meta{padding:10px 12px;display:flex;flex-direction:column;gap:8px}

/* media */
.dropzone{border:2px dashed #cbd5e1;border-radius:var(--radius);padding:28px;text-align:center;background:var(--card);margin-bottom:24px;transition:.15s}
.dropzone.over{border-color:var(--accent);background:var(--accent-soft)}
.progress{height:6px;background:var(--bg);border-radius:99px;overflow:hidden;margin:14px auto 6px;max-width:420px} .bar{height:100%;width:0;background:var(--accent);transition:width .15s}
.media-grid{column-width:230px;column-gap:16px} /* masonry: full-aspect thumbnails in balanced columns */
.media-card{break-inside:avoid;margin:0 0 16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.media-thumb{position:relative;background:#0b0f19;min-height:60px} .media-thumb img,.media-thumb video{width:100%;height:auto;display:block} .media-thumb[style] img,.media-thumb[style] video{height:100%}
.badge{position:absolute;left:8px;top:8px;background:rgba(0,0,0,.65);color:#fff;font-size:10px;font-weight:700;letter-spacing:.08em;padding:2px 7px;border-radius:5px}
.media-meta{padding:10px 12px;display:flex;flex-direction:column;gap:6px} .ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* auth */
body.auth{display:grid;place-items:center;min-height:100vh;padding:20px}
.auth-card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:32px;width:min(400px,100%)}

@media(max-width:860px){
  .layout.has-side{grid-template-columns:1fr}
  .side{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line)}
  .main{padding:20px 16px 48px} .topnav,.who{display:none} .cols-3{grid-template-columns:1fr}
}

/* ---- v2: resolution, image picker, warnings, drag reorder ---- */
.nowrap{flex-wrap:nowrap;min-width:0}
.res-row{display:flex;align-items:center;gap:8px} .res-row input{width:96px;flex:none} .res-row select{flex:1;min-width:0}
.flash.warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a;margin:0}
.warn-note{font-size:12px;color:#92400e;background:#fffbeb;border:1px solid #fde68a;border-radius:6px;padding:3px 8px;line-height:1.35}
.slide-warn{font-size:12px;color:#92400e;background:#fffbeb;border-top:1px solid #fde68a;padding:6px 12px;line-height:1.35}
.thumb .badge{position:absolute;left:8px;top:8px;z-index:1;background:rgba(0,0,0,.65);color:#fff;font-size:10px;font-weight:700;letter-spacing:.08em;padding:2px 7px;border-radius:5px;pointer-events:none}
.slide-card{cursor:grab} .slide-card.dragging{opacity:.35;outline:2px dashed var(--accent)}
.handle{color:var(--muted);cursor:grab;letter-spacing:-2px;user-select:none;padding-right:2px}
.pick-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;max-height:300px;overflow:auto;padding:8px 6px}
.pick-item{position:relative;gap:2px;cursor:pointer;min-width:0;font-weight:400}
.pick-item input{position:absolute;opacity:0;pointer-events:none}
.pick-thumb{display:block;aspect-ratio:4/3;background:#0b0f19;border-radius:8px;overflow:hidden;outline:3px solid transparent;outline-offset:1px}
.pick-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.pick-item input:checked + .pick-thumb{outline-color:var(--accent)}
.pick-item input:focus-visible + .pick-thumb{outline-color:#a5b4fc}
.pick-item small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 18px;border-radius:10px;font-size:14px;box-shadow:0 8px 30px rgba(0,0,0,.25);z-index:50}
[hidden]{display:none !important}

/* ---- v3: logo, brand colours, active switch, lightbox ---- */
.between{justify-content:space-between;flex-wrap:nowrap}
.spacer{flex:1}
code{font:12px ui-monospace,Menlo,monospace;background:var(--bg);padding:1px 5px;border-radius:4px}
.logo-current{display:flex;align-items:center;gap:14px;padding:10px;border:1px solid var(--line);border-radius:10px;background:repeating-conic-gradient(#f1f5f9 0% 25%,#fff 0% 50%) 50%/16px 16px}
.logo-current img,.logo-preview{max-width:160px;max-height:64px;object-fit:contain;display:block}
.logo-preview{margin:4px 0}
.colour-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px} @media(max-width:700px){.colour-grid{grid-template-columns:1fr}}
.colour-field{gap:6px;font-size:13px}
.colour-inputs{display:flex;gap:6px}
.colour-inputs input[type=color]{width:42px;height:38px;padding:2px;flex:none;cursor:pointer}
.colour-inputs input[type=text]{font:13px ui-monospace,Menlo,monospace;min-width:0}
.swatches{display:flex;gap:14px;flex-wrap:wrap;margin-top:4px}
.swatch{display:flex;align-items:center;gap:7px;font-size:13px}
.swatch i{width:20px;height:20px;border-radius:6px;border:1px solid rgba(15,23,42,.18);display:inline-block}
.swatch i.unset{background:repeating-linear-gradient(45deg,#e5e7eb,#e5e7eb 3px,#fff 3px,#fff 6px)}
.swatch small{color:var(--muted);font:11px ui-monospace,Menlo,monospace}
.side-logo{display:block;max-width:120px;max-height:34px;object-fit:contain;margin-bottom:8px}
.with-logo{display:inline-flex;align-items:center;gap:10px}
.with-logo img,.logo-ph{width:34px;height:24px;object-fit:contain;flex:none}

/* slide active switch */
.toggle-form{display:flex;align-items:center;gap:8px}
.state-label{font-size:12px;font-weight:600;color:#15803d}
.is-inactive .state-label{color:var(--muted)}
.switch{position:relative;width:34px;height:20px;border-radius:99px;border:0;background:#cbd5e1;cursor:pointer;padding:0;flex:none;transition:background .15s}
.switch .knob{position:absolute;left:2px;top:2px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.3);transition:transform .15s}
.switch[aria-checked=true]{background:#16a34a} .switch[aria-checked=true] .knob{transform:translateX(14px)}
.switch:focus-visible{outline:3px solid rgba(79,70,229,.35);outline-offset:2px} .switch:disabled{opacity:.6;cursor:wait}
.slide-card.is-inactive .thumb{filter:grayscale(.85) brightness(.7)}
.slide-card.is-inactive .slide-num,.slide-card.is-inactive [data-slide-title]{color:var(--muted)}
.thumb .badge.off{left:auto;right:8px;background:#b45309}

/* lightbox */
dialog.lightbox{width:100vw;max-width:100vw;height:100vh;max-height:100vh;margin:0;padding:0;border:0;border-radius:0;background:rgba(8,10,20,.97);color:#fff;overflow:hidden}
dialog.lightbox[open]{display:flex;flex-direction:column;align-items:center;justify-content:center}
dialog.lightbox::backdrop{background:rgba(8,10,20,.6)}
.lb-stage{display:flex;align-items:center;justify-content:center;width:100%;flex:1;min-height:0;padding:56px 80px 0}
.lb-stage img,.lb-stage video{max-width:100%;max-height:calc(100vh - 150px);object-fit:contain;border-radius:6px;background:#000;display:block}
.lb-slide{position:relative;overflow:hidden;background:#000;border-radius:6px;box-shadow:0 10px 50px rgba(0,0,0,.6)}
.lb-slide iframe{position:absolute;left:0;top:0;border:0;transform-origin:0 0;background:#000}
.lb-caption{display:flex;gap:14px;align-items:baseline;justify-content:center;flex-wrap:wrap;padding:14px 24px 20px;font-size:14px}
.lb-caption span{color:#cbd5e1} .lb-caption a{color:#a5b4fc}
.lb-close,.lb-nav{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;border-radius:50%;cursor:pointer;font-size:28px;line-height:1;width:44px;height:44px;display:grid;place-items:center}
.lb-close:hover,.lb-nav:hover{background:rgba(255,255,255,.25)}
.lb-close{top:14px;right:16px} .lb-nav{top:50%;transform:translateY(-50%)} .lb-prev{left:16px} .lb-next{right:16px}
@media(max-width:700px){.lb-stage{padding:56px 8px 0}.lb-nav{top:auto;bottom:14px;transform:none}}

/* ---- v4: video slides, per-slide duration, schedule ---- */
.cols-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:640px){.cols-2{grid-template-columns:1fr}}
.pick-thumb video{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none}
.dur-field small{display:block;margin-top:4px;font-weight:400}
.sched-box{border:1px solid #e5e7eb;border-radius:10px;padding:10px 14px}
.sched-box>summary{cursor:pointer;font-weight:600}
.sched-box[open]>summary{margin-bottom:12px}
.sched-box .lbl{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600;margin-bottom:6px}
.days{display:flex;gap:6px;flex-wrap:wrap}
.day{position:relative;font-weight:400}
.day input{position:absolute;opacity:0;pointer-events:none}
.day span{display:block;padding:6px 11px;border:1px solid #d1d5db;border-radius:8px;cursor:pointer;font-size:13px;font-weight:500;user-select:none}
.day input:checked+span{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.day input:focus-visible+span{box-shadow:0 0 0 3px rgba(79,70,229,.25)}
.chips{display:flex;gap:6px;flex-wrap:wrap;padding:0 12px 2px}
.chip{display:inline-block;max-width:100%;font-size:12px;line-height:1.3;padding:2px 8px;border-radius:99px;background:#f1f5f9;color:#334155;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip.sched{background:#eef2ff;color:#3730a3}
.thumb .badge.wait{left:auto;right:8px;background:#1d4ed8}
.thumb .badge.off~.badge.wait{top:30px}
.slide-card.is-waiting .thumb{filter:grayscale(.6) brightness(.8)}
.chip.sched{white-space:normal;border-radius:10px}

/* ---- v5: live preview column + in-dialog upload ---- */
.screen-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;align-items:start}
.screen-main{min-width:0}
.screen-main .grid-2{grid-template-columns:1fr;margin-bottom:8px}
.screen-main .cols-3{grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}
@media(min-width:1280px){.screen-layout{grid-template-columns:minmax(0,1fr) 500px}.screen-side{position:sticky;top:16px}}
.pv{display:flex;flex-direction:column;gap:10px;padding:16px}
.pv h3{margin:0}
.pv-box{margin:0 auto;background:#000;border-radius:10px;overflow:hidden;box-shadow:0 6px 24px rgba(15,23,42,.25);border:6px solid #0b0f19;box-sizing:content-box}
.pv-box iframe{display:block;width:100%;height:100%;border:0;background:#000}
.upload-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 12px;border:1.5px dashed #cbd5e1;border-radius:10px;background:#f8fafc}
.upload-row.over{border-color:var(--accent);background:var(--accent-soft)}
.upload-row .progress{flex-basis:100%;margin:2px 0 0;max-width:none}