:root {
  --bg:#0c0f13;
  --panel:#15191f;
  --panel2:#1b2027;
  --line:#2d343e;
  --text:#f1f4f7;
  --muted:#9da8b5;
  --accent:#8fc5ff;
  --people:#73ddb5;
  --equipment:#ffc077;
  --raw:#b8c0ca;
  --danger:#ff8787;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
button,input,select{font:inherit}
button{border:1px solid var(--line);background:#242a32;color:var(--text);border-radius:10px;padding:9px 13px;cursor:pointer}
button:hover{background:#303741}
button:disabled{opacity:.42;cursor:not-allowed}
button.primary{background:var(--accent);color:#07111d;border-color:transparent;font-weight:800}
button.ghost{background:transparent}
input,select{border:1px solid var(--line);background:#101318;color:var(--text);border-radius:9px;padding:10px 12px;min-height:42px}
label{font-size:12px;color:var(--muted);display:block;margin-bottom:5px}
code{background:#0b0e12;border:1px solid var(--line);border-radius:5px;padding:2px 5px}
.hidden{display:none!important}.muted{color:var(--muted);font-size:12px}.toolbar-spacer{flex:1}
.topbar{height:72px;padding:0 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;background:#11151a;position:sticky;top:0;z-index:50}
.brand{font-weight:900;letter-spacing:.08em}.sub{color:var(--muted);font-size:12px;margin-top:4px;max-width:65vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-actions{display:flex;gap:8px}
main{padding:20px}.screen{max-width:1700px;margin:0 auto}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px}.setup-panel{max-width:900px;margin:8vh auto}.setup-row{display:grid;grid-template-columns:1fr auto;gap:10px}
.tabs{display:flex;gap:8px;margin-bottom:14px}.tab{background:transparent}.tab.active{background:var(--accent);color:#07111d;border-color:transparent;font-weight:800}.tab-content{display:none}.tab-content.active{display:block}
.toolbar{min-height:62px;display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);padding:10px 12px;border-radius:14px;margin-bottom:12px}.sticky-actions{position:sticky;top:82px;z-index:35;box-shadow:0 10px 25px #0005}.counter{color:var(--muted);font-size:13px;white-space:nowrap}
.breadcrumb{display:flex;align-items:center;gap:5px;min-width:0;flex-wrap:wrap}.crumb{background:transparent;border-color:transparent;padding:5px 7px;color:var(--accent)}.crumb.current{color:var(--text);cursor:default;font-weight:700}.crumb-sep{color:#5e6976}
.browser-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:14px;align-items:start}.browser-main{min-width:0}.preview-panel{position:sticky;top:156px;min-height:calc(100vh - 180px);max-height:calc(100vh - 180px);overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px}.preview-empty{min-height:340px;display:flex;align-items:center;justify-content:center;color:var(--muted);text-align:center}.preview-image-button{display:block;width:100%;padding:0;background:#07090c;border-radius:12px;overflow:hidden}.preview-image-button img{display:block;width:100%;max-height:48vh;object-fit:contain}.preview-panel h3{font-size:14px;overflow-wrap:anywhere}.metadata-list{display:grid;gap:8px}.metadata-row{border-top:1px solid var(--line);padding-top:8px}.metadata-label{display:block;color:var(--muted);font-size:11px;margin-bottom:2px}.metadata-value{font-size:13px;overflow-wrap:anywhere}
.folder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px;margin-bottom:14px}.folder-card{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:56px;text-align:left;background:var(--panel)}.folder-card-main{display:flex;align-items:center;gap:9px;min-width:0}.folder-card .folder-icon{font-size:20px;flex:0 0 auto}.folder-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.folder-photo-count{flex:0 0 auto;padding:3px 7px;border-radius:999px;background:#0d1116;color:var(--muted);font-size:10px;border:1px solid var(--line)}
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(175px,1fr));gap:11px}.photo-card{position:relative;padding:0;overflow:hidden;text-align:left;background:var(--panel);border-radius:13px;border:1px solid var(--line);min-width:0}.photo-card:hover{border-color:#465363;transform:translateY(-1px)}.photo-card.selected{outline:3px solid var(--accent);outline-offset:-3px}.photo-thumb{aspect-ratio:4/3;background:#080a0d;display:flex;align-items:center;justify-content:center;overflow:hidden}.photo-thumb img{width:100%;height:100%;object-fit:cover;display:block}.photo-name{padding:8px 9px 9px;font-size:11px;line-height:1.3;overflow-wrap:anywhere;border-top:1px solid var(--line);min-height:44px}.photo-badges{position:absolute;left:7px;top:7px;display:flex;gap:5px;flex-wrap:wrap}.badge{font-size:10px;font-weight:800;padding:4px 7px;border-radius:999px;background:#111c;border:1px solid #fff2;backdrop-filter:blur(4px)}.badge.raw{color:var(--raw)}.badge.people,.badge.person{color:var(--people)}.badge.equipment{color:var(--equipment)}.badge.person-name{max-width:145px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#e8f4ff}
.hall-group{margin:20px 0 28px}.hall-title{position:sticky;top:151px;z-index:20;margin:0 0 10px;padding:9px 12px;background:#11151aee;border:1px solid var(--line);border-radius:10px;font-size:14px}.people-action{color:var(--people);border-color:#356c59}.equipment-action{color:var(--equipment);border-color:#765530}
.toolbar-divider{width:1px;height:30px;background:var(--line);margin:0 3px;flex:0 0 auto}.mode1-filter-group{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.mode1-filter-label{font-size:11px;color:var(--muted);margin-right:2px}.filter-chip{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;background:#14181e;color:var(--muted);border-color:#303741;font-size:12px;white-space:nowrap;transition:.15s}.filter-chip:hover{background:#1d232b}.filter-chip.active{color:var(--text);background:#242b34;box-shadow:inset 0 0 0 1px #ffffff0b}.filter-chip.people.active{border-color:#356c59}.filter-chip.equipment.active{border-color:#765530}.filter-chip.raw.active{border-color:#66717d}.filter-dot{width:7px;height:7px;border-radius:50%;background:#59636f;flex:0 0 auto}.filter-chip.people.active .filter-dot{background:var(--people)}.filter-chip.equipment.active .filter-dot{background:var(--equipment)}.filter-chip.raw.active .filter-dot{background:var(--raw)}.filter-count{min-width:18px;padding:1px 5px;border-radius:999px;background:#0d1014;color:var(--muted);font-size:10px;text-align:center}.filter-chip:not(.active){opacity:.58}
.people-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:14px;align-items:start}.people-panel{position:sticky;top:156px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px;max-height:calc(100vh - 180px);overflow:auto}.people-panel h2{margin:0 0 6px}.full-input{width:100%;margin:10px 0}.people-list{display:grid;gap:7px}.person-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px;align-items:center;border:1px solid var(--line);border-radius:11px;padding:6px;background:var(--panel2);transition:.15s}.person-row.dragover{border-color:var(--accent);background:#203049;transform:translateX(3px)}.person-name-input{width:100%;min-width:0;background:transparent;border-color:transparent;padding:7px 8px}.person-count{font-size:10px;color:var(--muted);padding-left:8px}.person-remove{color:var(--danger);padding:6px 10px}.people-photos{min-width:0}
.empty{background:var(--panel);border:1px dashed var(--line);border-radius:16px;padding:48px;text-align:center;color:var(--muted)}
.context-menu{position:fixed;z-index:300;background:#1a1f26;border:1px solid var(--line);border-radius:10px;padding:6px;box-shadow:0 14px 38px #0009}.context-menu button{display:block;width:100%;text-align:left;background:transparent;border:0}
.drag-ghost{position:fixed;left:-10000px;top:-10000px;z-index:9999;width:150px;padding:8px;background:#192330;border:1px solid var(--accent);border-radius:10px;box-shadow:0 10px 30px #0009}.drag-ghost img{display:block;width:100%;height:90px;object-fit:cover;border-radius:7px}.drag-ghost div{font-size:11px;margin-top:6px}
.image-modal{position:fixed;inset:0;z-index:250;background:#040609f2;display:flex;align-items:center;justify-content:center;padding:28px}.modal-inner{width:min(96vw,1700px);height:min(92vh,1100px);display:grid;grid-template-rows:minmax(0,1fr) auto;gap:10px}.modal-inner img{width:100%;height:100%;object-fit:contain;background:#020304;border-radius:12px}.modal-file-name{text-align:center;color:#d5dbe3;font-size:13px;overflow-wrap:anywhere}.modal-close{position:fixed;top:18px;right:20px;z-index:251;width:44px;height:44px;padding:0;border-radius:50%;font-size:28px;background:#171b20dd}
.toast{position:fixed;right:20px;bottom:20px;background:#222831;border:1px solid var(--line);border-radius:12px;padding:13px 16px;max-width:460px;box-shadow:0 10px 40px #0008;z-index:400}.toast.error{border-color:#8e3e3e;color:#ffb0b0}
@media(max-width:1050px){.browser-layout{grid-template-columns:1fr}.preview-panel{position:relative;top:auto;min-height:280px;max-height:none}.people-layout{grid-template-columns:1fr}.people-panel{position:relative;top:auto;max-height:none}.sticky-actions{top:78px}.hall-title{top:145px}}
@media(max-width:700px){main{padding:10px}.topbar{padding:0 12px}.header-actions button{padding:8px}.setup-row{grid-template-columns:1fr}.photo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.folder-grid{grid-template-columns:1fr 1fr}.toolbar{align-items:flex-start;flex-wrap:wrap}.toolbar-divider{width:100%;height:1px;margin:2px 0}.mode1-filter-group{width:100%}.sub{max-width:48vw}.sticky-actions{position:relative;top:auto}.hall-title{position:relative;top:auto}}

/* Session presence and optimistic UI */
.active-sessions{display:flex;align-items:center;gap:6px;margin-right:4px;max-width:360px;overflow:hidden}
.session-pill{display:flex;align-items:center;gap:6px;min-width:0;max-width:170px;padding:6px 8px;border:1px solid var(--line);border-radius:999px;background:#171c22;font-size:11px;color:var(--muted)}
.session-pill.current{border-color:#527aa3;color:#dcecff}
.session-dot{width:8px;height:8px;border-radius:50%;background:var(--people);flex:0 0 auto}
.session-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.photo-card.pending{pointer-events:none;opacity:.72}
.photo-card.pending::after{content:'Сохраняю…';position:absolute;inset:auto 8px 35px 8px;padding:5px 8px;border-radius:7px;background:#0b0e12dd;border:1px solid var(--line);font-size:11px;text-align:center;z-index:5}
@media(max-width:900px){.active-sessions{display:none}}

/* Authentication and admin upload */
.login-panel{max-width:460px;margin:10vh auto}.login-panel h1{margin-top:0}.login-form{display:grid;gap:10px}.login-form label{margin-top:4px}.login-form button{margin-top:6px}.pin-inputs{display:grid;grid-template-columns:repeat(5,56px);gap:10px;justify-content:start}.pin-digit{width:56px;height:58px;padding:0;text-align:center;font-size:24px;font-weight:800;letter-spacing:0;border-radius:12px}.pin-digit:focus{border-color:var(--accent);box-shadow:0 0 0 2px #4f8dd333}.login-error{padding:10px 12px;border:1px solid #743f3f;background:#321d1d;color:#ffb3b3;border-radius:10px;font-size:13px}
.dialog-backdrop{position:fixed;inset:0;z-index:500;background:#05070abf;display:flex;align-items:center;justify-content:center;padding:20px}.dialog-card{width:min(720px,96vw);max-height:92vh;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 24px 80px #000b}.dialog-head{display:flex;gap:18px;align-items:flex-start;justify-content:space-between}.dialog-head h2{margin:0 0 6px}.dialog-close{width:40px;height:40px;padding:0;font-size:25px;line-height:1}.upload-dialog{display:grid;gap:10px}.upload-dialog input[type="file"]{padding:9px;background:#101318}.upload-summary{font-size:13px;color:var(--muted);padding:8px 0}.upload-dialog progress{width:100%;height:16px}.upload-progress-text{min-height:20px;color:var(--muted);font-size:12px}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}
@media(max-width:700px){.dialog-backdrop{padding:8px}.dialog-card{width:100%;border-radius:12px}.header-actions{gap:4px}.header-actions button{font-size:11px}.login-panel{margin:5vh auto}.pin-inputs{grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}.pin-digit{width:100%;height:54px}}

/* Mode 1 fast filtering: one container class instead of touching thousands of cards. */
#mode1Groups.hide-people .photo-card[data-filter-key="people"],
#mode1Groups.hide-equipment .photo-card[data-filter-key="equipment"],
#mode1Groups.hide-raw .photo-card[data-filter-key="raw"]{display:none!important}
#mode1Groups .photo-card{content-visibility:auto;contain:layout paint style;contain-intrinsic-size:220px}
.upload-page-card{max-width:760px;margin:7vh auto;display:grid;gap:12px}.upload-page-card h1{margin:0 0 4px}.upload-page-card input[type="file"]{padding:10px;background:#101318}.upload-page-card progress{width:100%;height:18px}.button-link{display:inline-flex;align-items:center;text-decoration:none;border:1px solid var(--line);border-radius:9px;padding:9px 12px;color:var(--text);background:#171b21}

/* Instruction dialog */
.instruction-tab{margin-left:6px;border-left:1px solid var(--line)}
.instruction-dialog{width:min(820px,96vw)}
.instruction-content{display:grid;gap:18px;margin-top:10px;line-height:1.55}
.instruction-content section{padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:#11151a}
.instruction-content h3{margin:0 0 8px;font-size:15px}
.instruction-content p{margin:7px 0;color:#d7dce3}
.instruction-content ul{margin:7px 0 7px 20px;padding:0}
.instruction-content li{margin:4px 0}
@media(max-width:700px){.instruction-tab{margin-left:0}.instruction-content section{padding:12px}}


/* Mobile blocker: Photo Sorter is desktop-only. Edit public/mobile-message.txt to change copy. */
.mobile-block{display:none}
html.mobile-blocked,html.mobile-blocked body{min-height:100%;height:100%;overflow:hidden;background:var(--bg)}
html.mobile-blocked #app{display:none!important}
html.mobile-blocked .mobile-block{position:fixed;inset:0;z-index:99999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:32px 24px;text-align:center;background:var(--bg);color:var(--text)}
.mobile-block-message{width:min(92vw,560px);font-size:clamp(20px,5.5vw,30px);font-weight:700;line-height:1.4;white-space:pre-line;text-wrap:balance}
.mobile-block-wink{font-size:64px;line-height:1;filter:drop-shadow(0 8px 24px #0006)}