:root{
  --bg:#0A0A0E; --panel:#15161C; --panel-2:#1B1C24; --panel-3:#23252F;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --ink:#F3F4F7; --ink-2:#AEB4C0; --muted:#8C93A4;
  --accent:#F94B1E; --accent-2:#FF7A33; --accent-soft:rgba(249,75,30,.16);
  --ok:#2DD4A7; --warn:#F5A623; --danger:#FF5C5C;
  --r:12px; --r-sm:9px; --r-pill:999px; --shadow:0 20px 50px -20px rgba(0,0,0,.6);
}
*{box-sizing:border-box} html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font-family:'Hanken Grotesk',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
button,input,textarea,select{font-family:inherit}
.screen-center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.spinner{width:34px;height:34px;border-radius:50%;border:3px solid var(--line-2);border-top-color:var(--accent);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* brand + logo */
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.02em}
.brand-lg{font-size:26px}
.logo{width:26px;height:26px;border-radius:8px;background:var(--accent);position:relative;flex:none;box-shadow:0 4px 14px rgba(249,75,30,.4)}
.logo::after{content:"";position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);width:0;height:0;border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:8px solid #fff}
.brand-lg .logo{width:36px;height:36px;border-radius:11px}

/* buttons */
.btn{border:1px solid transparent;border-radius:var(--r-sm);padding:10px 16px;font-weight:600;font-size:14px;cursor:pointer;transition:.15s;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-sm{padding:7px 12px;font-size:13px}
.btn-primary{background:var(--accent);color:#fff} .btn-primary:hover{background:var(--accent-2)} .btn-primary:disabled{opacity:.45;cursor:default}
.btn-ghost{background:transparent;color:var(--ink-2);border-color:var(--line)} .btn-ghost:hover{background:var(--panel-2);color:var(--ink)}
.btn-soft{background:var(--panel-2);color:var(--ink-2);border-color:var(--line)} .btn-soft:hover{background:var(--panel-3);color:var(--ink)}
.btn-oauth{width:100%;background:var(--panel-2);color:var(--ink);border-color:var(--line-2);margin-bottom:10px}
.btn-oauth:hover{background:var(--panel-3)}
.btn-oauth .g{color:#4285F4;font-weight:800} .btn-oauth .m{color:#00A4EF}

/* auth */
.auth-card{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:34px 30px;box-shadow:var(--shadow);text-align:center}
.auth-card .brand{justify-content:center;margin-bottom:6px}
.auth-sub{color:var(--ink-2);font-size:14px;margin:0 0 22px}
.auth-card form{display:flex;flex-direction:column;gap:10px}
.auth-card input{height:42px;border:1px solid var(--line-2);background:var(--bg);color:var(--ink);border-radius:var(--r-sm);padding:0 14px;font-size:14px;outline:none}
.auth-card input:focus{border-color:var(--accent)}
.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;margin:16px 0}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}
.auth-msg{margin-top:14px;font-size:13px;color:var(--ok)}
.auth-msg.err{color:var(--danger)}

/* topbar */
.topbar{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--line);background:var(--panel);position:sticky;top:0;z-index:10}
.tb-left{display:flex;align-items:center;gap:16px}
.ws-name{color:var(--ink-2);font-size:14px;font-weight:600;padding-left:16px;border-left:1px solid var(--line)}
.tb-right{display:flex;align-items:center;gap:12px}
.user-chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.avatar{width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:12px}

/* layout */
.layout{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 58px)}
.sidebar{border-right:1px solid var(--line);padding:18px 12px;background:var(--panel)}
.side-head{display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:0 8px 10px}
.icon-add{width:24px;height:24px;border-radius:6px;border:1px solid var(--line);background:transparent;color:var(--ink-2);cursor:pointer;font-size:16px;line-height:1}
.icon-add:hover{border-color:var(--accent);color:var(--accent-2)}
.project-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.project-list li{padding:9px 10px;border-radius:var(--r-sm);font-size:14px;color:var(--ink-2);cursor:pointer;display:flex;align-items:center;gap:8px}
.project-list li:hover{background:var(--panel-2);color:var(--ink)}
.project-list li.active{background:var(--accent-soft);color:var(--accent-2);font-weight:600}

.main{padding:24px 28px}
.main-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.main-head h1{font-size:22px;font-weight:800;letter-spacing:-.02em;margin:0}
.upbtn{cursor:pointer}
.upload-bar{margin-bottom:18px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px}
.up-label{font-size:13px;color:var(--ink-2);margin-bottom:8px}
.up-track{height:6px;background:var(--panel-3);border-radius:var(--r-pill);overflow:hidden}
.up-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .15s}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;cursor:pointer;transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card-media{aspect-ratio:16/10;background:var(--panel-3);display:flex;align-items:center;justify-content:center;color:var(--muted);position:relative}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-badge{position:absolute;top:8px;right:8px;font-size:11px;font-weight:600;padding:3px 9px;border-radius:var(--r-pill);background:rgba(0,0,0,.55)}
.badge-review{background:rgba(245,166,35,.92);color:#241a05}
.badge-changes{background:var(--accent);color:#fff}
.badge-approved{background:rgba(45,212,167,.92);color:#062a20}
.card-body{padding:12px 14px}
.card-title{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-meta{font-size:12px;color:var(--muted);margin-top:3px}
.empty{text-align:center;color:var(--muted);padding:70px 20px}
.empty h3{color:var(--ink);margin:0 0 6px}

/* review overlay */
.review{position:fixed;inset:0;background:var(--bg);z-index:50;display:flex;flex-direction:column}
.review-head{height:56px;display:flex;align-items:center;gap:14px;padding:0 18px;border-bottom:1px solid var(--line);background:var(--panel)}
.review-title{font-weight:700;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.review-actions{display:flex;align-items:center;gap:10px}
.vsel{height:32px;background:var(--panel-2);color:var(--ink);border:1px solid var(--line);border-radius:var(--r-sm);padding:0 10px;font-size:13px}
.review-body{flex:1;display:grid;grid-template-columns:1fr 360px;min-height:0}
.stage{background:#000;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:16px}
.stage img,.stage video{max-width:100%;max-height:100%;display:block;border-radius:6px}
.stage .stage-empty{color:var(--muted)}
.comments{border-left:1px solid var(--line);display:flex;flex-direction:column;background:var(--panel);min-height:0}
.comment-list{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:10px}
.note{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-sm);padding:11px 12px}
.note-top{display:flex;align-items:center;gap:8px;margin-bottom:5px}
.note-who{font-weight:700;font-size:13px}
.note-stamp{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--accent-2);cursor:pointer;background:var(--accent-soft);padding:1px 7px;border-radius:var(--r-pill)}
.note-when{margin-left:auto;font-size:11px;color:var(--muted)}
.note-body{font-size:13px;line-height:1.5;color:var(--ink-2);white-space:pre-wrap;word-break:break-word}
.comment-empty{color:var(--muted);text-align:center;padding:30px 10px;font-size:13px}
.composer{border-top:1px solid var(--line);padding:12px;display:flex;flex-direction:column;gap:8px}
.composer textarea{width:100%;resize:none;background:var(--bg);border:1px solid var(--line-2);border-radius:var(--r-sm);color:var(--ink);padding:9px 11px;font-size:13px;outline:none}
.composer textarea:focus{border-color:var(--accent)}
.composer .btn{align-self:flex-end}
.stamp{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--accent-2);background:var(--accent-soft);padding:3px 8px;border-radius:var(--r-pill);align-self:flex-start}

/* toast */
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--panel-3);color:#fff;border:1px solid var(--line-2);border-radius:var(--r);padding:11px 18px;font-size:13px;z-index:80;box-shadow:var(--shadow);max-width:92vw}
.toast.err{border-color:rgba(255,92,92,.5)}

@media (max-width:760px){
  .layout{grid-template-columns:1fr}
  .sidebar{display:none}
  .review-body{grid-template-columns:1fr;grid-template-rows:1fr auto}
  .comments{border-left:none;border-top:1px solid var(--line);max-height:45vh}
}