/* ─────────────────────────────────────────────────────────
   TradeXcele Secure Share — modern responsive styles
   ───────────────────────────────────────────────────────── */
:root{
  --bg:#06040a;
  --bg2:#0d0712;
  --card:rgba(255,255,255,.05);
  --card-hi:rgba(255,255,255,.08);
  --border:rgba(255,255,255,.09);
  --border2:rgba(255,255,255,.16);
  --text:#f0ede8;
  --muted:rgba(240,237,232,.55);
  --muted2:rgba(240,237,232,.35);
  --gold:#f59e0b;
  --gold2:#fde68a;
  --green:#00C896;
  --blue:#5b8cff;
  --red:#ff4d6d;
  --purple:#b06bff;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{font-size:16px;scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%,rgba(245,158,11,.18),transparent 50%),
    radial-gradient(ellipse 60% 50% at 80% 100%,rgba(91,140,255,.08),transparent 50%);
  background-attachment:fixed;
  min-height:100vh;
  padding-bottom:env(safe-area-inset-bottom);
}
body::after{
  content:"";position:fixed;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.012) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.012) 1px,transparent 1px);
  background-size:80px 80px;
  z-index:0;pointer-events:none;
  mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,#000 30%,transparent 100%);
}
a{color:var(--gold);text-decoration:none}a:hover{text-decoration:underline}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;outline:none}

/* ─── Topbar ─── */
.topbar{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 18px;
  background:rgba(6,4,10,.85);backdrop-filter:blur(20px) saturate(120%);
  border-bottom:1px solid var(--border);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:15px;letter-spacing:-.01em}
.brand img{width:28px;height:28px;border-radius:8px}
.user-pill{
  display:flex;align-items:center;gap:6px;
  background:rgba(0,200,150,.1);border:1px solid rgba(0,200,150,.28);
  color:var(--green);padding:5px 11px;border-radius:999px;
  font-size:12px;font-weight:700;
}
.user-pill .dot{width:5px;height:5px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green)}

/* ─── App shell ─── */
.app-shell{max-width:880px;margin:0 auto;padding:18px 16px 100px;position:relative;z-index:1}

/* ─── Hero / stats ─── */
.hero{margin-bottom:18px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  background:linear-gradient(145deg,rgba(245,158,11,.06),rgba(91,140,255,.03));
  border:1px solid var(--border);border-radius:18px;padding:14px;
}
.stat{text-align:center}
.stat-num{font-size:22px;font-weight:800;letter-spacing:-.02em;background:linear-gradient(135deg,var(--gold),var(--gold2));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:700}

/* ─── Tabs ─── */
.tabs{display:flex;gap:6px;margin-bottom:14px;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:2px}
.tabs::-webkit-scrollbar{display:none}
.tab{
  padding:10px 16px;border-radius:12px;font-size:13px;font-weight:600;color:var(--muted);
  background:var(--card);border:1px solid var(--border);text-decoration:none;
  white-space:nowrap;transition:all .15s;
}
.tab:hover{color:var(--text);text-decoration:none}
.tab.active{background:rgba(245,158,11,.12);border-color:rgba(245,158,11,.3);color:var(--gold)}

/* ─── Panels ─── */
.panel{
  background:var(--card);border:1px solid var(--border);border-radius:18px;
  padding:18px;margin-bottom:14px;
}
.panel-head{margin-bottom:16px}
.panel-head h2{font-size:18px;font-weight:800;letter-spacing:-.01em}
.panel-head p{color:var(--muted);font-size:13px;margin-top:2px}

/* ─── Forms ─── */
.field{margin-bottom:12px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.grid-2{grid-template-columns:1fr}}
label{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-weight:700;margin-bottom:5px}
input[type=text],input[type=password],input[type=number],input[type=email],input[type=search],select{
  width:100%;padding:12px 14px;border-radius:11px;border:1px solid var(--border);
  background:rgba(0,0,0,.25);color:var(--text);font-size:14px;
  transition:border-color .15s,background .15s;
}
input:focus,select:focus{border-color:var(--gold);background:rgba(0,0,0,.4)}

/* ─── Buttons ─── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:11px 20px;border-radius:11px;font-weight:700;font-size:14px;
  cursor:pointer;border:1px solid transparent;transition:all .15s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:linear-gradient(135deg,#f59e0b,#fcd34d);color:#0a0500;box-shadow:0 6px 20px rgba(245,158,11,.28)}
.btn.primary:hover{box-shadow:0 12px 28px rgba(245,158,11,.38)}
.btn.ghost{background:rgba(255,255,255,.06);color:var(--text);border-color:var(--border2)}
.btn.ghost:hover{background:rgba(255,255,255,.1)}
.btn.danger{background:rgba(255,77,109,.1);color:var(--red);border-color:rgba(255,77,109,.28)}
.btn.danger:hover{background:rgba(255,77,109,.18)}
.btn.sm{padding:7px 12px;font-size:12px;border-radius:8px}
.btn.full{width:100%}
.btn.big{padding:14px 24px;font-size:15px;border-radius:13px}
.ico{font-size:16px}

/* ─── Auth (login) ─── */
.auth-shell{
  min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:24px 16px;position:relative;z-index:1;
}
.auth-card{
  width:100%;max-width:400px;
  background:linear-gradient(145deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--border);border-radius:24px;
  padding:32px 28px;backdrop-filter:blur(20px);
  box-shadow:0 24px 60px rgba(0,0,0,.5);
}
.auth-logo{display:flex;justify-content:center;margin-bottom:18px}
.auth-logo img{width:56px;height:56px;border-radius:14px;box-shadow:0 8px 28px rgba(245,158,11,.28)}
.auth-card h1{font-size:24px;font-weight:800;letter-spacing:-.02em;text-align:center;margin-bottom:6px}
.auth-sub{color:var(--muted);font-size:13px;text-align:center;margin-bottom:20px;line-height:1.5}
.auth-form label{margin-top:10px}
.auth-form button{margin-top:18px}
.auth-divider{display:flex;align-items:center;gap:12px;margin:20px 0;color:var(--muted2);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.auth-divider::before,.auth-divider::after{content:"";flex:1;height:1px;background:var(--border)}
.auth-hint{text-align:center;color:var(--muted2);font-size:11px;margin-top:12px}
.auth-foot{text-align:center;color:var(--muted2);font-size:11px;margin-top:28px}
.filename{text-align:center;font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--gold);background:rgba(245,158,11,.06);border:1px solid rgba(245,158,11,.18);border-radius:8px;padding:8px;margin-bottom:14px}

.alert{padding:11px 14px;border-radius:10px;font-size:13px;margin-bottom:14px}
.alert.err{background:rgba(255,77,109,.1);border:1px solid rgba(255,77,109,.25);color:#ffa6b5}
.alert.ok{background:rgba(0,200,150,.1);border:1px solid rgba(0,200,150,.25);color:#7eecc8}

.status{padding:11px 14px;border-radius:10px;font-size:13px}
.status.info{background:rgba(91,140,255,.1);border:1px solid rgba(91,140,255,.25);color:#b8c8ff}
.status.ok{background:rgba(0,200,150,.1);border:1px solid rgba(0,200,150,.25);color:#7eecc8}
.status.err{background:rgba(255,77,109,.1);border:1px solid rgba(255,77,109,.25);color:#ffa6b5}
.hidden{display:none}
.spinner{display:inline-block;width:13px;height:13px;border:2px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;margin-right:6px;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ─── Dropzone ─── */
.dropzone{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  padding:36px 18px;border:2px dashed var(--border2);border-radius:18px;
  background:rgba(255,255,255,.02);cursor:pointer;transition:all .2s;
  text-align:center;margin-bottom:14px;
}
.dropzone:hover,.dropzone.drag{background:rgba(245,158,11,.06);border-color:rgba(245,158,11,.5)}
.dz-icon{font-size:38px;opacity:.5}
.dz-title{font-weight:700;font-size:15px}
.dz-sub{font-size:11px;color:var(--muted)}
.dz-name{margin-top:8px;color:var(--gold);font-weight:600;font-size:13px;font-family:'JetBrains Mono',monospace;word-break:break-all}

.upload-progress{margin-top:14px}
.upload-progress .bar{height:6px;background:rgba(255,255,255,.08);border-radius:3px;overflow:hidden}
.upload-progress .fill{height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2));width:0;transition:width .15s}
.upload-progress .pct{text-align:center;font-size:11px;color:var(--muted);margin-top:6px;font-family:'JetBrains Mono',monospace}

/* ─── Files grid ─── */
.search-input{margin-top:10px;background:rgba(0,0,0,.3)}
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.file-card{
  background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px;
  transition:all .15s;cursor:default;display:flex;flex-direction:column;gap:8px;
}
.file-card:hover{border-color:var(--border2);transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.3)}
.card-head{display:flex;justify-content:space-between;align-items:flex-start}
.file-icon{font-size:30px;line-height:1}
.card-menu{padding:4px 8px;color:var(--muted);font-size:18px;border-radius:6px}
.card-menu:hover{background:rgba(255,255,255,.06);color:var(--text)}
.file-name{font-weight:700;font-size:13px;line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.file-info{font-size:11px;color:var(--muted)}
.badges{display:flex;gap:5px;flex-wrap:wrap;margin-top:4px}
.badge{display:inline-block;padding:3px 7px;border-radius:5px;font-size:10px;font-weight:700;letter-spacing:.02em}
.badge.red{background:rgba(255,77,109,.12);color:var(--red);border:1px solid rgba(255,77,109,.25)}
.badge.gold{background:rgba(245,158,11,.12);color:var(--gold);border:1px solid rgba(245,158,11,.25)}
.badge.green{background:rgba(0,200,150,.12);color:var(--green);border:1px solid rgba(0,200,150,.25)}
.dl-count{font-size:11px;color:var(--muted);font-family:'JetBrains Mono',monospace;background:rgba(255,255,255,.04);padding:3px 8px;border-radius:5px}
.card-actions{display:flex;gap:6px;margin-top:6px}
.card-actions .btn{flex:1}

/* ─── Empty state ─── */
.empty{text-align:center;padding:40px 20px;color:var(--muted);grid-column:1/-1}
.empty.small{padding:20px 16px}
.empty-ico{font-size:42px;opacity:.5;margin-bottom:10px}
.empty-title{font-weight:700;font-size:15px;color:var(--text);margin-bottom:4px}
.empty-sub{font-size:13px}

/* ─── Activity ─── */
.activity-list{display:flex;flex-direction:column;gap:6px}
.activity-row{
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.03);border:1px solid var(--border);
  border-radius:11px;padding:10px 12px;
}
.a-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.a-icon.a-up{background:rgba(0,200,150,.12);color:var(--green)}
.a-icon.a-dl{background:rgba(91,140,255,.12);color:var(--blue)}
.a-icon.a-del{background:rgba(255,77,109,.12);color:var(--red)}
.a-icon.a-ok{background:rgba(0,200,150,.12);color:var(--green)}
.a-icon.a-bad{background:rgba(255,77,109,.12);color:var(--red)}
.a-icon.a-info{background:rgba(91,140,255,.1);color:var(--blue)}
.a-meta{flex:1;min-width:0}
.a-action{font-weight:700;font-size:13px;text-transform:capitalize}
.a-detail{font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.m-file{color:var(--gold);font-weight:600}
.a-time{font-size:11px;color:var(--muted2);font-family:'JetBrains Mono',monospace;flex-shrink:0}

/* ─── Passkeys ─── */
.passkey-list{display:flex;flex-direction:column;gap:8px}
.passkey-row{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:12px;padding:12px}
.pk-icon{width:38px;height:38px;border-radius:9px;background:rgba(245,158,11,.12);color:var(--gold);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.pk-meta{flex:1;min-width:0}
.pk-name{font-weight:700;font-size:14px}
.pk-info{font-size:11px;color:var(--muted)}

/* ─── Toast ─── */
.toast-host{position:fixed;left:0;right:0;bottom:80px;display:flex;flex-direction:column;align-items:center;gap:8px;z-index:100;pointer-events:none}
.toast{background:rgba(13,7,18,.95);backdrop-filter:blur(20px);border:1px solid var(--border2);color:var(--text);padding:11px 18px;border-radius:12px;font-size:13px;font-weight:600;box-shadow:0 16px 40px rgba(0,0,0,.5);pointer-events:auto;animation:toastIn .3s ease}
.toast.ok{border-color:rgba(0,200,150,.3);color:#7eecc8}
.toast.err{border-color:rgba(255,77,109,.3);color:#ffa6b5}
@keyframes toastIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* ─── Logout FAB ─── */
.logout-fab{
  position:fixed;bottom:20px;right:20px;
  width:46px;height:46px;border-radius:50%;
  background:rgba(13,7,18,.9);border:1px solid var(--border2);backdrop-filter:blur(12px);
  color:var(--muted);display:flex;align-items:center;justify-content:center;font-size:18px;
  z-index:50;text-decoration:none;
}
.logout-fab:hover{color:var(--red);border-color:rgba(255,77,109,.3);text-decoration:none}

/* ─── Mobile fine-tuning ─── */
@media(max-width:520px){
  .topbar{padding:10px 14px}
  .brand{font-size:14px}.brand img{width:24px;height:24px}
  .app-shell{padding:14px 12px 100px}
  .hero-stats{padding:12px}.stat-num{font-size:18px}
  .panel{padding:14px}
  .file-grid{grid-template-columns:1fr 1fr;gap:10px}
  .auth-card{padding:24px 20px}
}

/* ─── Face verification UI ─── */
.face-card{max-width:440px}
.face-container{
  position:relative;width:100%;aspect-ratio:4/3;background:#000;
  border-radius:18px;overflow:hidden;margin:18px 0 14px;
  border:1px solid var(--border2);
}
.face-container video{
  width:100%;height:100%;object-fit:cover;
  transform:scaleX(-1); /* mirror */
}
.face-container canvas{
  position:absolute;top:0;left:0;width:100%;height:100%;
  transform:scaleX(-1);pointer-events:none;
}
.face-ring{
  position:absolute;top:50%;left:50%;
  width:60%;aspect-ratio:1;transform:translate(-50%,-50%);
  border:3px dashed var(--gold);border-radius:50%;
  pointer-events:none;transition:border-color .3s;
}

.enroll-progress{display:flex;justify-content:center;gap:14px;margin:16px 0}
.enroll-progress .dot{
  width:12px;height:12px;border-radius:50%;
  background:rgba(255,255,255,.1);border:2px solid var(--border2);
  transition:all .3s;
}
.enroll-progress .dot.done{background:var(--green);border-color:var(--green);box-shadow:0 0 8px var(--green)}

.face-actions{margin-top:14px}

/* ─── User management ─── */
.user-row{display:flex;align-items:center;gap:12px;padding:14px;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:12px;margin-bottom:8px;flex-wrap:wrap}
.user-avatar{width:42px;height:42px;border-radius:11px;background:linear-gradient(135deg,#f59e0b,#fde68a);color:#0a0500;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex-shrink:0;text-transform:uppercase}
.user-meta{flex:1;min-width:200px}
.user-name{font-weight:700;font-size:14px;display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:3px}
.user-info{font-size:11px;color:var(--muted)}
.user-actions{display:flex;gap:6px;flex-wrap:wrap}
.check-row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:14px 0;cursor:pointer}
.check-row input{width:auto;margin:0;cursor:pointer;flex-shrink:0}
@media(max-width:520px){.user-row{padding:10px}.user-actions{width:100%;justify-content:stretch}.user-actions .btn{flex:1}}