/* ============================================================
   CHOUF TCHAF — Responsive stylesheet v4
   Mobile-first: single column + bigger text everywhere up to 640px
   Tablet/Desktop: multi-column grids kick in at 640px+
   ============================================================ */

*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}

:root{
  /* ===== Palette ===== */
  --bg-app:#0a0a0a;
  --bg-elevated:#141414;
  --bg-card:#1a1a1a;
  --bg-hover:#222;
  --bg-input:#1a1a1a;
  --border:rgba(255,255,255,.15);
  --border-focus:rgba(212,175,55,.5);

  --text:#ffffff;
  --text-2:#e8e8e8;
  --muted:#b0b0b0;
  --muted-2:#888;

  --gold:#d4af37;
  --gold-2:#b8860b;
  --gold-bg:rgba(212,175,55,.1);
  --success:#22c55e;
  --warning:#fbbf24;
  --danger:#ef4444;
  --info:#3b82f6;

  --radius:14px;
  --radius-sm:10px;
  --shadow:0 4px 20px rgba(0,0,0,.4);
  --shadow-lg:0 20px 50px rgba(0,0,0,.6);

  /* ===== MOBILE FIRST — fixed bigger sizes for mobile ===== */
  --fs-xs:    13px;
  --fs-sm:    15px;
  --fs-base:  17px;
  --fs-md:    18px;
  --fs-lg:    22px;
  --fs-xl:    28px;
  --fs-2xl:   36px;
  --fs-3xl:   44px;

  --pad-app:  18px;
  --gap-grid: 12px;
}

/* ===== DESKTOP — fluid scaling kicks in at 640px+ ===== */
@media (min-width:640px){
  :root{
    --fs-xs:    clamp(12px, 1.6vw, 14px);
    --fs-sm:    clamp(14px, 1.8vw, 16px);
    --fs-base:  clamp(15px, 2vw,   17px);
    --fs-md:    clamp(16px, 2.2vw, 19px);
    --fs-lg:    clamp(20px, 2.6vw, 24px);
    --fs-xl:    clamp(24px, 3vw,   30px);
    --fs-2xl:   clamp(30px, 4vw,   42px);
    --fs-3xl:   clamp(40px, 5vw,   56px);
    --pad-app:  clamp(20px, 3vw,   28px);
    --gap-grid: clamp(12px, 1.5vw, 16px);
  }
}

html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Inter,Roboto,sans-serif;
  background:var(--bg-app);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  font-size:var(--fs-base);
  line-height:1.4;
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
body.login{
  background:radial-gradient(ellipse at top,#1a1a1a 0%,#0a0a0a 50%,#000 100%);
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  padding:24px;
  position:relative;overflow:hidden;
}
body.login::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(circle at 20% 30%,rgba(212,175,55,.08) 0%,transparent 40%),
    radial-gradient(circle at 80% 70%,rgba(212,175,55,.05) 0%,transparent 40%);
  pointer-events:none;
}
.login-card{
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));
  border:1px solid rgba(212,175,55,.15);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-radius:24px;
  padding:36px 24px;
  width:100%;max-width:440px;
  box-shadow:0 30px 80px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.05);
  position:relative;z-index:1;
}
@media (min-width:640px){
  .login-card{ padding:clamp(36px,5vw,52px) clamp(28px,4vw,40px); }
}
.login-brand{text-align:center;margin-bottom:32px}
.login-brand-mark{
  width:76px;height:76px;margin:0 auto 18px;
  border-radius:20px;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  display:flex;align-items:center;justify-content:center;
  font-size:38px;
  box-shadow:0 10px 30px rgba(212,175,55,.3);
}
.login-brand h1{
  font-size:32px;
  font-weight:800;letter-spacing:-.5px;
  background:linear-gradient(135deg,#fff,#d4af37);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:6px;
}
.login-brand p{font-size:14px;color:var(--muted);letter-spacing:1.5px;text-transform:uppercase}

.form-group{margin-bottom:20px}
.login-card label{
  display:block;font-size:13px;font-weight:600;
  color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:10px;
}
.login-card input{
  width:100%;padding:16px 18px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px;
  font-size:17px;color:#fff;
  outline:none;
  transition:all .2s;
}
.login-card input:focus{
  border-color:var(--gold);
  background:rgba(212,175,55,.05);
  box-shadow:0 0 0 3px rgba(212,175,55,.1);
}
.login-card input::placeholder{color:#666}
.login-card .btn-login{
  width:100%;padding:18px;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  color:#000;border:none;border-radius:12px;
  font-size:17px;font-weight:700;letter-spacing:.5px;
  cursor:pointer;margin-top:14px;
  transition:all .2s;
  text-transform:uppercase;
  box-shadow:0 8px 20px rgba(212,175,55,.25);
}
.login-card .btn-login:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(212,175,55,.35)}
.error{
  background:rgba(255,71,87,.1);
  border:1px solid rgba(255,71,87,.3);
  color:#ff8b95;
  padding:14px 16px;border-radius:10px;
  font-size:15px;margin-bottom:18px;
}
.hint{text-align:center;font-size:13px;color:#666;margin-top:24px;letter-spacing:.5px}

/* ============================================================
   APP SHELL
   ============================================================ */
.app{
  max-width:520px;
  margin:0 auto;
  min-height:100vh;
  position:relative;
  padding-bottom:96px;
  background:
    radial-gradient(ellipse at top,rgba(212,175,55,.04) 0%,transparent 60%),
    var(--bg-app);
}
@media (min-width:640px){ .app{ max-width:720px; } }
@media (min-width:900px){ .app{ max-width:900px; } }

/* TOP BAR */
.topbar{
  position:sticky;top:0;z-index:100;
  background:rgba(10,10,10,.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  padding:16px var(--pad-app);
  display:flex;align-items:center;justify-content:space-between;
}
.brand-row{display:flex;align-items:center;gap:14px}
.brand-mark{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  display:flex;align-items:center;justify-content:center;
  font-size:22px;
  box-shadow:0 4px 14px rgba(212,175,55,.3);
  flex-shrink:0;
}
.brand-name{
  font-size:var(--fs-lg);
  font-weight:800;letter-spacing:-.3px;
  background:linear-gradient(135deg,#fff 0%,var(--gold) 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.topbar-actions{display:flex;gap:10px}
.icon-btn{
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  color:var(--text-2);
  width:46px;height:46px;border-radius:12px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:22px;transition:all .15s;
  flex-shrink:0;
}
.icon-btn:active{transform:scale(.95);background:var(--gold-bg)}
.icon-btn:hover{border-color:var(--gold)}

/* BOTTOM NAV */
.bottom-nav{
  position:fixed;bottom:0;left:50%;transform:translateX(-50%);
  width:100%;max-width:520px;
  background:rgba(10,10,10,.94);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border-top:1px solid var(--border);
  display:flex;
  padding:10px 4px calc(10px + env(safe-area-inset-bottom));
  z-index:100;
}
@media (min-width:640px){ .bottom-nav{ max-width:720px; padding:12px 4px calc(12px + env(safe-area-inset-bottom)); } }
@media (min-width:900px){ .bottom-nav{ max-width:900px; padding:14px 4px calc(14px + env(safe-area-inset-bottom)); } }

.nav-item{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:5px;
  cursor:pointer;color:var(--muted-2);
  border:none;background:none;
  font-size:12px;
  font-weight:600;
  padding:8px 0 6px;
  transition:color .15s;
  position:relative;
  min-height:52px;
}
@media (min-width:640px){ .nav-item{ font-size:var(--fs-xs); } }

.nav-icon{font-size:24px;line-height:1}
@media (min-width:640px){ .nav-icon{ font-size:clamp(24px,3vw,28px); } }

.nav-item.active{color:var(--gold)}
.nav-item.active::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:30px;height:3px;border-radius:3px;
  background:var(--gold);
}
.nav-item:hover{color:var(--text-2)}
.nav-item.active:hover{color:var(--gold)}

/* PAGES */
.page{display:none;padding:20px var(--pad-app) 16px}
.page.active{display:block;animation:fadein .25s ease}
@keyframes fadein{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}

.offline-bar{
  background:var(--warning);color:#000;
  text-align:center;padding:12px;
  font-size:14px;font-weight:700;
  display:none;
}
.offline-bar.show{display:block}

/* SECTIONS */
.section-title{
  font-size:14px;
  font-weight:700;text-transform:uppercase;letter-spacing:1.2px;
  color:var(--muted);margin:28px 0 14px;
  display:flex;align-items:center;justify-content:space-between;
}
@media (min-width:640px){ .section-title{ font-size:var(--fs-sm); } }

.section-title .link{
  font-size:14px;color:var(--gold);text-decoration:none;
  font-weight:600;letter-spacing:0;text-transform:none;cursor:pointer;
}
@media (min-width:640px){ .section-title .link{ font-size:var(--fs-sm); } }
.section-title .link:hover{text-decoration:underline}

/* HERO CARD */
.hero-card{
  background:linear-gradient(135deg,#1a1a1a 0%,#0a0a0a 100%);
  border:1px solid rgba(212,175,55,.2);
  border-radius:var(--radius);
  padding:24px;
  margin-bottom:16px;
  position:relative;overflow:hidden;
  box-shadow:var(--shadow);
}
@media (min-width:640px){ .hero-card{ padding:clamp(24px,3.5vw,36px); } }

.hero-card::after{
  content:'';position:absolute;top:0;right:0;width:250px;height:250px;
  background:radial-gradient(circle,rgba(212,175,55,.12) 0%,transparent 70%);
  pointer-events:none;
}
.hero-label{
  font-size:14px;color:var(--muted);
  text-transform:uppercase;letter-spacing:1.3px;margin-bottom:12px;
}
@media (min-width:640px){ .hero-label{ font-size:var(--fs-sm); } }

.hero-value{
  font-size:var(--fs-3xl);
  font-weight:800;letter-spacing:-1.5px;
  background:linear-gradient(135deg,#fff,var(--gold));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  line-height:1;
}
.hero-sub{font-size:14px;color:var(--muted);margin-top:10px}
@media (min-width:640px){ .hero-sub{ font-size:var(--fs-sm); } }

/* ================================================================
   STATS GRID — single column on mobile, multi-column on tablet+
   ================================================================ */
.stats-grid{
  display:grid;
  grid-template-columns:1fr;        /* MOBILE: 1 column */
  gap:12px;
}
@media (min-width:640px){
  .stats-grid{ grid-template-columns:repeat(4,1fr); gap:var(--gap-grid); }
}

.stat-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px 22px;
  position:relative;overflow:hidden;
  transition:all .15s;
  min-height:88px;
}
@media (min-width:640px){ .stat-card{ padding:clamp(18px,2.5vw,22px); } }

.stat-card.tappable{cursor:pointer}
.stat-card.tappable:active{transform:scale(.98);border-color:var(--border-focus)}
.stat-bg{position:absolute;right:-8px;top:50%;transform:translateY(-50%);font-size:70px;opacity:.05}
.stat-label{
  font-size:13px;
  font-weight:700;text-transform:uppercase;
  letter-spacing:.8px;color:var(--muted);margin-bottom:6px;
}
@media (min-width:640px){ .stat-label{ font-size:var(--fs-xs); } }

.stat-value{font-size:var(--fs-xl);font-weight:800;color:var(--text);line-height:1.1}
.stat-sub{font-size:13px;color:var(--muted);margin-top:6px}
@media (min-width:640px){ .stat-sub{ font-size:var(--fs-xs); } }

/* WORKFLOW PIPELINE */
.pipeline{
  display:flex;gap:10px;overflow-x:auto;
  padding-bottom:8px;scrollbar-width:none;margin-bottom:4px;
}
.pipeline::-webkit-scrollbar{display:none}
@media (min-width:900px){
  .pipeline{ display:grid; grid-template-columns:repeat(5,1fr); overflow:visible; }
}
.pipeline-card{
  flex-shrink:0;min-width:140px;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:16px 18px;
  cursor:pointer;transition:all .15s;
}
.pipeline-card:active{transform:scale(.97);border-color:var(--gold)}
.pipeline-card:hover{border-color:var(--gold)}
.pipeline-icon{font-size:26px;margin-bottom:6px}
.pipeline-count{font-size:var(--fs-xl);font-weight:800;color:var(--text);line-height:1}
.pipeline-label{
  font-size:12px;
  color:var(--muted);
  text-transform:uppercase;letter-spacing:.6px;margin-top:6px;font-weight:600;
}
@media (min-width:640px){ .pipeline-label{ font-size:var(--fs-xs); } }

/* ALERT */
.alert{
  background:rgba(251,191,36,.08);
  border:1px solid rgba(251,191,36,.2);
  border-radius:var(--radius-sm);
  padding:16px 18px;margin-bottom:16px;
  display:flex;align-items:center;gap:14px;
}
.alert-icon{font-size:24px;flex-shrink:0}
.alert-text{flex:1;font-size:15px;color:var(--text-2)}
@media (min-width:640px){ .alert-text{ font-size:var(--fs-sm); } }
.alert-text strong{color:var(--warning)}

/* GLASS CARD */
.glass-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);padding:14px;
  margin-bottom:12px;
  display:flex;gap:14px;cursor:pointer;
  transition:all .15s;
  align-items:center;
}
.glass-card:active{transform:scale(.99);border-color:var(--border-focus)}
.glass-card:hover{border-color:var(--gold);transform:translateY(-1px)}
.glass-thumb{
  width:90px;height:90px;
  border-radius:11px;
  object-fit:cover;background:var(--bg-elevated);
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:36px;
  flex-shrink:0;overflow:hidden;color:var(--muted);
}
@media (min-width:640px){
  .glass-thumb{ width:clamp(96px,12vw,120px); height:clamp(96px,12vw,120px); font-size:clamp(36px,4vw,48px); }
}
.glass-thumb img{width:100%;height:100%;object-fit:cover}

.glass-info{flex:1;min-width:0}
.glass-name{
  font-weight:700;
  font-size:18px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text);
  margin-bottom:5px;
}
@media (min-width:640px){ .glass-name{ font-size:var(--fs-md); } }

.glass-brand{font-size:15px;color:var(--muted);margin-bottom:8px}
@media (min-width:640px){ .glass-brand{ font-size:var(--fs-sm); } }

.glass-tags{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.tag{
  display:inline-block;padding:5px 12px;border-radius:7px;
  font-size:12px;
  font-weight:600;letter-spacing:.2px;
  white-space:nowrap;
}
@media (min-width:640px){ .tag{ font-size:var(--fs-xs); } }
.t-green{background:rgba(34,197,94,.15);color:#4ade80}
.t-red{background:rgba(239,68,68,.15);color:#f87171}
.t-yellow{background:rgba(251,191,36,.15);color:#fbbf24}
.t-blue{background:rgba(59,130,246,.15);color:#60a5fa}
.t-gray{background:rgba(255,255,255,.06);color:var(--muted)}
.t-gold{background:rgba(212,175,55,.15);color:var(--gold);border:1px solid rgba(212,175,55,.25)}
.glass-price{
  font-size:18px;
  font-weight:700;color:var(--gold);margin-top:8px;
}
@media (min-width:640px){ .glass-price{ font-size:var(--fs-md); } }

/* SEARCH */
.search-wrap{position:relative;margin-bottom:16px}
.search-wrap input{
  width:100%;padding:16px 16px 16px 48px;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:14px;
  font-size:17px;
  color:var(--text);
  outline:none;transition:all .2s;
  min-height:54px;
}
@media (min-width:640px){ .search-wrap input{ font-size:var(--fs-md); } }
.search-wrap input:focus{border-color:var(--border-focus);background:var(--bg-elevated)}
.search-wrap input::placeholder{color:var(--muted-2)}
.search-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  font-size:22px;color:var(--muted);
}
.search-clear{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  background:rgba(255,255,255,.06);border:none;color:var(--muted);
  width:32px;height:32px;border-radius:50%;cursor:pointer;
  display:none;align-items:center;justify-content:center;font-size:16px;
}
.search-clear.show{display:flex}

/* FILTER CHIPS */
.filter-row{
  display:flex;gap:10px;overflow-x:auto;
  padding-bottom:8px;margin-bottom:16px;scrollbar-width:none;
}
.filter-row::-webkit-scrollbar{display:none}
.chip{
  flex-shrink:0;padding:12px 20px;border-radius:24px;
  border:1px solid var(--border);background:var(--bg-card);
  font-size:15px;
  font-weight:600;color:var(--text-2);
  cursor:pointer;transition:all .15s;white-space:nowrap;
  min-height:46px;display:inline-flex;align-items:center;
}
@media (min-width:640px){ .chip{ font-size:var(--fs-sm); } }
.chip:active{transform:scale(.96)}
.chip:hover{border-color:var(--gold)}
.chip.active{background:var(--gold);color:#000;border-color:var(--gold);font-weight:700}

/* LOOKUP */
.lookup-summary{
  background:linear-gradient(135deg,rgba(212,175,55,.1),rgba(212,175,55,.03));
  border:1px solid rgba(212,175,55,.25);
  border-radius:var(--radius);padding:20px;margin-bottom:16px;
}
.lookup-summary h3{
  font-size:14px;
  color:var(--gold);margin-bottom:14px;
  text-transform:uppercase;letter-spacing:1px;
}
@media (min-width:640px){ .lookup-summary h3{ font-size:var(--fs-sm); } }

/* MOBILE: 1 column, DESKTOP: 4 columns */
.lookup-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
@media (min-width:640px){ .lookup-grid{ grid-template-columns:repeat(4,1fr); } }

.lookup-stat{padding:8px 0}
.lookup-stat-label{
  font-size:12px;
  color:var(--muted);
  text-transform:uppercase;letter-spacing:.5px;
}
@media (min-width:640px){ .lookup-stat-label{ font-size:var(--fs-xs); } }

.lookup-stat-value{
  font-size:var(--fs-xl);font-weight:800;color:var(--text);margin-top:6px;line-height:1.1;
}

.web-search-btn{
  display:block;width:100%;
  padding:18px;margin-top:14px;
  background:var(--bg-card);
  border:1px dashed rgba(212,175,55,.3);
  border-radius:var(--radius);
  color:var(--gold);text-decoration:none;
  text-align:center;
  font-size:15px;
  font-weight:600;
  transition:all .15s;
}
@media (min-width:640px){ .web-search-btn{ font-size:var(--fs-sm); } }
.web-search-btn:active{background:var(--gold-bg)}
.web-search-btn:hover{background:var(--gold-bg);border-color:var(--gold)}

/* FORM */
.form-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  margin-bottom:14px;
}
@media (min-width:640px){ .form-card{ padding:clamp(20px,2.8vw,26px); } }

.form-section-title{
  font-size:17px;
  font-weight:700;margin-bottom:18px;
  display:flex;align-items:center;gap:8px;color:var(--text);
}
@media (min-width:640px){ .form-section-title{ font-size:var(--fs-md); } }

.form-section-title .badge{
  font-size:13px;
  color:var(--muted);font-weight:500;margin-left:auto;
}
@media (min-width:640px){ .form-section-title .badge{ font-size:var(--fs-xs); } }

.f-row{margin-bottom:16px}
.f-label{
  display:block;
  font-size:13px;
  font-weight:700;
  text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin-bottom:8px;
}
@media (min-width:640px){ .f-label{ font-size:var(--fs-xs); } }

.f-input{
  width:100%;padding:15px 16px;
  background:var(--bg-input);border:1px solid var(--border);
  border-radius:10px;
  font-size:16px;
  outline:none;color:var(--text);
  transition:all .2s;
  font-family:inherit;
  min-height:52px;
}
.f-input:focus{border-color:var(--border-focus);background:var(--bg-elevated)}
.f-input::placeholder{color:var(--muted-2)}
.f-input:read-only,.f-input[readonly]{
  background:rgba(255,255,255,.02);color:var(--gold);font-weight:700;
}
select.f-input{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23b0b0b0' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;
  padding-right:42px;
}

/* ================================================================
   FORM GRID — single column on mobile (fields stacked vertically),
   two columns on tablet+
   ================================================================ */
.f-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:0;
}
@media (min-width:640px){
  .f-grid{ grid-template-columns:1fr 1fr; gap:14px; }
}

textarea.f-input{min-height:110px;resize:vertical}
.f-divider{border:none;border-top:1px solid var(--border);margin:16px 0 18px}
.f-hint{
  font-size:13px;
  color:var(--muted);margin-top:7px;line-height:1.4;
}
@media (min-width:640px){ .f-hint{ font-size:var(--fs-xs); } }
.f-help{
  font-size:13px;
  color:var(--gold);margin-top:7px;font-weight:600;
}
@media (min-width:640px){ .f-help{ font-size:var(--fs-xs); } }

/* TOGGLE */
.toggle-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;border-bottom:1px solid var(--border);gap:14px;
}
.toggle-row:last-child{border-bottom:none}
.toggle-label{font-size:16px;font-weight:500;color:var(--text-2)}
@media (min-width:640px){ .toggle-label{ font-size:var(--fs-base); } }
.toggle{
  width:54px;height:32px;background:#2a2a2a;border-radius:16px;
  cursor:pointer;position:relative;transition:background .2s;
  border:none;flex-shrink:0;
}
.toggle.on{background:var(--gold)}
.toggle::after{
  content:'';position:absolute;width:26px;height:26px;
  background:#fff;border-radius:50%;top:3px;left:3px;
  transition:transform .2s;
  box-shadow:0 2px 6px rgba(0,0,0,.3);
}
.toggle.on::after{transform:translateX(22px)}

/* PHOTOS — 3 cols default, more on desktop */
.photo-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;margin-bottom:10px;
}
@media (min-width:480px){ .photo-grid{ grid-template-columns:repeat(4,1fr); } }
@media (min-width:640px){ .photo-grid{ grid-template-columns:repeat(8,1fr); } }

.photo-slot{
  aspect-ratio:1;border-radius:11px;
  border:1.5px dashed var(--border);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:28px;color:var(--muted-2);
  overflow:hidden;position:relative;
  transition:all .2s;background:var(--bg-input);
}
.photo-slot:hover,.photo-slot:active{border-color:var(--gold);color:var(--gold)}
.photo-slot img{width:100%;height:100%;object-fit:cover}
.del-ph{
  position:absolute;top:6px;right:6px;
  background:rgba(0,0,0,.8);color:#fff;
  border:none;border-radius:50%;width:28px;height:28px;
  font-size:14px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.photo-hint{
  font-size:13px;
  color:var(--muted);text-align:center;margin-bottom:10px;
}
@media (min-width:640px){ .photo-hint{ font-size:var(--fs-xs); } }

/* TAGS */
.tags-box{
  display:flex;flex-wrap:wrap;gap:8px;
  padding:14px;border:1px solid var(--border);
  border-radius:10px;min-height:58px;cursor:text;
  align-items:center;background:var(--bg-input);
}
.tags-box.focus{border-color:var(--border-focus)}
.tag-pill{
  background:var(--gold-bg);color:var(--gold);
  padding:7px 13px;border-radius:7px;
  font-size:13px;
  display:flex;align-items:center;gap:6px;font-weight:600;
}
@media (min-width:640px){ .tag-pill{ font-size:var(--fs-xs); } }
.tag-pill button{
  background:none;border:none;color:var(--gold);cursor:pointer;
  font-size:17px;padding:0;line-height:1;opacity:.7;
}
.tags-box input{
  border:none;outline:none;
  font-size:15px;
  flex:1;min-width:100px;background:transparent;color:var(--text);
  font-family:inherit;
}
@media (min-width:640px){ .tags-box input{ font-size:var(--fs-sm); } }
.tag-drop{
  background:var(--bg-elevated);border:1px solid var(--border);
  border-radius:10px;margin-top:8px;overflow:hidden;
  box-shadow:var(--shadow);
}
.tag-opt{
  padding:14px 16px;
  font-size:15px;
  cursor:pointer;color:var(--text-2);
}
@media (min-width:640px){ .tag-opt{ font-size:var(--fs-sm); } }
.tag-opt:hover,.tag-opt:active{background:var(--bg-hover);color:var(--gold)}

/* BUTTONS */
.btn{
  padding:16px 24px;border-radius:12px;
  font-size:16px;
  font-weight:700;cursor:pointer;
  border:none;display:inline-flex;align-items:center;gap:8px;
  transition:all .15s;justify-content:center;
  font-family:inherit;
  min-height:54px;
}
@media (min-width:640px){ .btn{ font-size:var(--fs-md); min-height:50px; } }

.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  color:#000;box-shadow:0 6px 18px rgba(212,175,55,.25);
}
.btn-primary:hover{box-shadow:0 10px 24px rgba(212,175,55,.35);transform:translateY(-1px)}
.btn-accent{background:var(--gold);color:#000}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-2)}
.btn-outline:active{background:var(--bg-card)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold)}
.btn-success{background:var(--success);color:#fff}
.btn-danger{
  background:rgba(239,68,68,.15);color:var(--danger);
  border:1px solid rgba(239,68,68,.3);
}
.btn-danger:active{background:var(--danger);color:#fff}
.btn-full{width:100%}
.btn-sm{
  padding:11px 18px;
  font-size:14px;
  min-height:42px;
}
@media (min-width:640px){ .btn-sm{ font-size:var(--fs-sm); min-height:40px; } }
.btn-row{display:flex;gap:12px;margin-top:8px;padding-bottom:6px;flex-wrap:wrap}

/* DETAIL */
.detail-photos{
  display:flex;gap:12px;overflow-x:auto;margin-bottom:18px;
  scrollbar-width:none;padding-bottom:4px;
}
.detail-photos::-webkit-scrollbar{display:none}
.detail-photo{
  width:130px;height:130px;
  border-radius:13px;object-fit:cover;
  flex-shrink:0;border:1px solid var(--border);cursor:pointer;
}
@media (min-width:640px){ .detail-photo{ width:clamp(130px,15vw,170px); height:clamp(130px,15vw,170px); } }

.d-nophoto{
  width:130px;height:130px;
  border-radius:13px;
  background:var(--bg-elevated);display:flex;align-items:center;justify-content:center;
  font-size:54px;border:1px solid var(--border);color:var(--muted-2);
}
@media (min-width:640px){ .d-nophoto{ width:clamp(130px,15vw,170px); height:clamp(130px,15vw,170px); } }

.d-section{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;margin-bottom:14px;
}
@media (min-width:640px){ .d-section{ padding:clamp(18px,2.5vw,24px); } }

/* ================================================================
   DETAIL ROWS — stack vertically on mobile
   ================================================================ */
.d-row{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--border);
  gap:6px;
}
.d-row:last-child{border-bottom:none}
.d-key{
  font-size:13px;
  color:var(--muted);flex-shrink:0;
  text-transform:uppercase;letter-spacing:.5px;font-weight:600;
}
@media (min-width:640px){ .d-key{ font-size:var(--fs-xs); text-transform:none; letter-spacing:0; font-weight:400; } }

.d-val{
  font-size:16px;
  font-weight:600;
  text-align:left;
  max-width:100%;
  color:var(--text);word-break:break-word;
}
@media (min-width:640px){
  .d-row{ flex-direction:row; justify-content:space-between; align-items:flex-start; gap:14px; padding:10px 0; }
  .d-val{ font-size:var(--fs-sm); text-align:right; max-width:65%; }
}

/* PRICE ROW */
.price-row{
  display:grid;grid-template-columns:1fr 1fr 1fr;
  gap:10px;margin-bottom:16px;
}
.p-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:12px;padding:14px 12px;text-align:center;
}
@media (min-width:640px){ .p-card{ padding:clamp(16px,2vw,22px); } }
.p-card-label{
  font-size:12px;
  color:var(--muted);
  text-transform:uppercase;letter-spacing:.5px;
}
@media (min-width:640px){ .p-card-label{ font-size:var(--fs-xs); } }
.p-card-val{font-size:var(--fs-lg);font-weight:800;margin-top:6px;line-height:1.1}

.vintage-banner{
  display:flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,rgba(212,175,55,.2),rgba(212,175,55,.05));
  color:var(--gold);padding:12px 20px;
  border:1px solid rgba(212,175,55,.3);
  border-radius:28px;
  font-size:14px;
  font-weight:700;
  margin-bottom:14px;width:fit-content;letter-spacing:.5px;
}
@media (min-width:640px){ .vintage-banner{ font-size:var(--fs-sm); } }

/* WORKFLOW CHIPS */
.workflow-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.wf-chip{
  padding:11px 16px;border-radius:22px;
  border:1px solid var(--border);background:var(--bg-elevated);
  font-size:13px;
  font-weight:600;color:var(--muted);
  cursor:pointer;transition:all .15s;
  min-height:40px;display:inline-flex;align-items:center;
}
@media (min-width:640px){ .wf-chip{ font-size:var(--fs-xs); } }
.wf-chip:active{transform:scale(.96)}
.wf-chip:hover{border-color:var(--gold)}
.wf-chip.active{background:var(--gold);color:#000;border-color:var(--gold)}

/* SALES */
.sale-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;margin-bottom:12px;
}
@media (min-width:640px){ .sale-card{ padding:clamp(18px,2.5vw,24px); } }

.sale-head{
  display:flex;justify-content:space-between;align-items:flex-start;
  margin-bottom:12px;gap:12px;
}
.sale-amount{font-size:var(--fs-lg);font-weight:800;color:var(--gold);white-space:nowrap}
.sale-item-name{
  font-size:17px;
  font-weight:700;color:var(--text);line-height:1.3;
}
@media (min-width:640px){ .sale-item-name{ font-size:var(--fs-md); } }

.sale-meta{
  font-size:13px;
  color:var(--muted);margin-top:4px;line-height:1.4;
}
@media (min-width:640px){ .sale-meta{ font-size:var(--fs-xs); } }

.profit-up{color:var(--success)}
.profit-dn{color:var(--danger)}
.sale-actions{display:flex;gap:8px;margin-top:12px}

.sale-card .sale-info-row{
  display:flex;flex-wrap:wrap;gap:16px;
  font-size:13px;
  color:var(--muted);
}
@media (min-width:640px){ .sale-card .sale-info-row{ font-size:var(--fs-xs); } }

/* CHANNEL STRIP */
.channel-strip{
  display:flex;gap:10px;overflow-x:auto;
  scrollbar-width:none;margin-bottom:16px;
}
.channel-strip::-webkit-scrollbar{display:none}
@media (min-width:900px){
  .channel-strip{ display:grid; grid-template-columns:repeat(auto-fill,minmax(160px,1fr)); }
}
.channel-card{
  flex-shrink:0;background:var(--bg-card);
  border:1px solid var(--border);border-radius:12px;
  padding:14px 18px;min-width:170px;
}
.channel-card-label{
  font-size:12px;
  color:var(--muted);
  text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;
}
@media (min-width:640px){ .channel-card-label{ font-size:var(--fs-xs); } }
.channel-card-value{font-size:var(--fs-md);font-weight:800;color:var(--gold);line-height:1.1}
.channel-card-sub{
  font-size:12px;
  color:var(--muted);margin-top:4px;
}
@media (min-width:640px){ .channel-card-sub{ font-size:var(--fs-xs); } }

/* VINTAGE HERO */
.vintage-hero{
  background:
    radial-gradient(ellipse at top left,rgba(212,175,55,.15) 0%,transparent 50%),
    linear-gradient(135deg,#1a1a1a,#0a0a0a);
  border:1px solid rgba(212,175,55,.2);
  border-radius:var(--radius);
  padding:24px;margin-bottom:18px;
}
@media (min-width:640px){ .vintage-hero{ padding:clamp(24px,3.5vw,40px); } }
.vintage-hero-title{font-size:var(--fs-lg);font-weight:800;margin-bottom:8px;color:var(--text)}
.vintage-hero-sub{font-size:15px;color:var(--muted);margin-bottom:18px}
@media (min-width:640px){ .vintage-hero-sub{ font-size:var(--fs-sm); } }
.vintage-hero-val{
  font-size:var(--fs-2xl);font-weight:800;letter-spacing:-1px;
  background:linear-gradient(135deg,var(--gold),#fff);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  line-height:1;
}
.vintage-hero-valsub{
  font-size:13px;
  color:var(--muted);margin-top:6px;
}
@media (min-width:640px){ .vintage-hero-valsub{ font-size:var(--fs-xs); } }

/* MODAL */
.overlay{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,.7);backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  z-index:200;align-items:flex-end;justify-content:center;
}
.overlay.open{display:flex;animation:fadein .2s ease}
.modal{
  background:var(--bg-elevated);
  border:1px solid var(--border);border-bottom:none;
  border-radius:24px 24px 0 0;
  width:100%;max-width:520px;max-height:94vh;
  overflow-y:auto;
  padding:24px var(--pad-app) calc(28px + env(safe-area-inset-bottom));
  animation:slideup .25s ease;
}
@media (min-width:640px){
  .overlay{align-items:center}
  .modal{
    max-width:560px;border-radius:24px;
    border-bottom:1px solid var(--border);
    max-height:88vh;
  }
}
@media (min-width:900px){ .modal{ max-width:640px; } }
@keyframes slideup{from{transform:translateY(40px);opacity:.5}to{transform:translateY(0);opacity:1}}
.modal-handle{
  width:48px;height:5px;background:var(--border);
  border-radius:3px;margin:0 auto 20px;
}
@media (min-width:640px){ .modal-handle{ display:none; } }
.modal-title{font-size:var(--fs-lg);font-weight:800;margin-bottom:20px;color:var(--text)}

/* PAYMENT METHODS */
.pm-grid{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.pm-btn{
  flex:1;min-width:82px;padding:14px 8px;
  border-radius:11px;border:1px solid var(--border);
  background:var(--bg-card);
  font-size:14px;
  font-weight:600;
  cursor:pointer;text-align:center;color:var(--text-2);
  transition:all .15s;
  min-height:48px;
}
@media (min-width:640px){ .pm-btn{ font-size:var(--fs-sm); min-height:44px; } }
.pm-btn:hover{border-color:var(--gold)}
.pm-btn.active{border-color:var(--gold);background:var(--gold-bg);color:var(--gold)}

/* STAT LIST */
.stat-list{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
}
.stat-list-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--border);gap:14px;
}
.stat-list-row:last-child{border-bottom:none}
.stat-list-label{
  font-size:15px;
  color:var(--text);flex-shrink:0;min-width:0;
}
@media (min-width:640px){ .stat-list-label{ font-size:var(--fs-sm); } }
.stat-list-bar-wrap{
  flex:1;margin:0 6px;
  height:8px;background:var(--bg-elevated);border-radius:4px;overflow:hidden;
  min-width:60px;
}
.stat-list-bar{
  height:100%;background:linear-gradient(90deg,var(--gold-2),var(--gold));
  border-radius:4px;
}
.stat-list-value{
  font-size:15px;
  font-weight:700;color:var(--gold);
  min-width:60px;text-align:right;
}
@media (min-width:640px){ .stat-list-value{ font-size:var(--fs-sm); } }

/* EMPTY STATE */
.empty{text-align:center;padding:54px 20px;color:var(--muted)}
.empty-icon{font-size:60px;display:block;margin-bottom:16px;opacity:.6}
.empty-title{font-size:var(--fs-md);font-weight:700;color:var(--text);margin-bottom:8px}
.empty-sub{
  font-size:15px;
}
@media (min-width:640px){ .empty-sub{ font-size:var(--fs-sm); } }

/* FLASH */
.flash{
  padding:16px 20px;border-radius:11px;margin-bottom:14px;
  font-size:15px;
  font-weight:600;display:none;
}
@media (min-width:640px){ .flash{ font-size:var(--fs-sm); } }
.flash.show{display:block;animation:fadein .25s ease}
.flash-ok{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);color:#4ade80}
.flash-err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#f87171}

/* SPINNER */
.spinner{
  display:inline-block;width:20px;height:20px;
  border:2px solid rgba(0,0,0,.2);border-top-color:#000;
  border-radius:50%;animation:spin .6s linear infinite;
  vertical-align:middle;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* SCROLLBAR */
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:rgba(212,175,55,.4)}

/* SETTINGS */
.settings-list{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
}
.settings-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;border-bottom:1px solid var(--border);
}
.settings-row:last-child{border-bottom:none}
.settings-row-label{
  font-size:16px;
  color:var(--text);font-weight:500;
}
@media (min-width:640px){ .settings-row-label{ font-size:var(--fs-base); } }

.settings-row-sub{
  font-size:13px;
  color:var(--muted);margin-top:4px;line-height:1.4;
}
@media (min-width:640px){ .settings-row-sub{ font-size:var(--fs-xs); } }
.settings-row .f-input{max-width:140px}

/* ===== Load more (inventory pagination) ===== */
.btn-load-more{
  display:inline-block;
  padding:11px 26px;
  border-radius:var(--radius-sm);
  background:var(--gold-bg);
  border:1px solid var(--gold);
  color:var(--gold);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:all .15s ease;
}
.btn-load-more:hover{
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  color:#1a1a1a;
  transform:translateY(-1px);
}
.btn-load-more:active{transform:scale(.98)}

/* ===== Vintage page tabs (My collection / Reference guide) ===== */
.vintage-tabs{
  display:flex;gap:8px;margin-bottom:16px;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:14px;padding:5px;
}
.vt-tab{
  flex:1;padding:11px 10px;border:none;border-radius:10px;
  background:transparent;color:var(--text-2);
  font-size:14px;font-weight:600;cursor:pointer;transition:all .15s;
  min-height:44px;
}
.vt-tab:active{transform:scale(.98)}
.vt-tab.active{
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  color:#000;font-weight:700;
}