:root{
  --bg:#0f1115; --panel:#181b22; --panel2:#22262f; --text:#f2f4f8; --muted:#9aa3b2;
  --accent:#4f8cff; --danger:#ff5f6d; --radius:18px;
  --sat:env(safe-area-inset-top); --sab:env(safe-area-inset-bottom);
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font:16px/1.4 -apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,Segoe UI,Roboto,sans-serif;
  -webkit-text-size-adjust:100%; touch-action:manipulation; overscroll-behavior-y:none}
body{min-height:100vh;padding-bottom:calc(96px + var(--sab))}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
input,select{font:inherit;color:inherit}
[hidden]{display:none!important}

.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;
  padding:calc(10px + var(--sat)) 18px 8px;background:linear-gradient(var(--bg) 70%,transparent)}
.topbar h1{margin:0;font-size:28px;font-weight:800;letter-spacing:-.02em;display:flex;align-items:center;gap:10px}
.logo{width:32px;height:32px;border-radius:9px}
.iconbtn{width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:22px;color:var(--text)}
.iconbtn:active{background:rgba(255,255,255,.1)}
.textbtn{padding:8px 4px;font-weight:600;color:var(--accent);font-size:17px}

.hint{margin:6px 16px 10px;padding:14px 8px 14px 16px;background:var(--panel2);border-radius:14px;display:flex;gap:6px;align-items:flex-start;font-size:14px;color:var(--muted)}
.hint strong{color:var(--text)}
.hint em{font-style:normal;color:var(--text);font-weight:600}

.searchbar{padding:2px 16px 12px}
.searchbar input{width:100%;padding:11px 14px;border-radius:12px;border:0;background:var(--panel);color:var(--text);outline:none;-webkit-appearance:none;appearance:none}
.searchbar input::placeholder{color:var(--muted)}

.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding:0 16px}
@media (min-width:640px){.grid{grid-template-columns:repeat(3,1fr)}}
@media (min-width:960px){.grid{grid-template-columns:repeat(4,1fr);max-width:1100px;margin:0 auto}}
.card{position:relative;aspect-ratio:1.6;border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;justify-content:space-between;
  text-align:left;box-shadow:0 8px 24px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.18);transition:transform .12s ease;overflow:hidden}
.card:active{transform:scale(.97)}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.14),transparent 45%,rgba(0,0,0,.12));pointer-events:none}
.card .name{font-weight:800;font-size:17px;line-height:1.15;letter-spacing:-.01em;word-break:break-word}
.card .stripes{height:18px;width:60%;opacity:.55;background:repeating-linear-gradient(90deg,currentColor 0 2px,transparent 2px 4px,currentColor 4px 5px,transparent 5px 8px,currentColor 8px 11px,transparent 11px 13px);border-radius:2px}
.card .star{position:absolute;top:10px;right:12px;font-size:15px;opacity:.9}

.empty{text-align:center;padding:60px 32px;color:var(--muted)}
.empty h2{color:var(--text);margin:18px 0 6px}
.empty-art{display:flex;justify-content:center;gap:-20px}
.empty-art span{width:84px;height:54px;border-radius:12px;background:var(--panel2);display:inline-block;margin:0 -14px;box-shadow:0 6px 18px rgba(0,0,0,.4)}
.empty-art span:nth-child(1){background:#4f8cff;transform:rotate(-8deg)}
.empty-art span:nth-child(2){background:#ff7a59;z-index:1}
.empty-art span:nth-child(3){background:#2ecc71;transform:rotate(8deg)}

.fab{position:fixed;right:20px;bottom:calc(22px + var(--sab));width:60px;height:60px;border-radius:50%;background:var(--accent);color:#fff;font-size:34px;line-height:1;
  box-shadow:0 10px 26px rgba(79,140,255,.45);z-index:6;display:flex;align-items:center;justify-content:center;padding-bottom:3px}
.fab:active{transform:scale(.94)}

/* Sheets */
.sheet{position:fixed;inset:0;z-index:20;background:var(--bg);display:flex;flex-direction:column;overflow-y:auto;-webkit-overflow-scrolling:touch;
  animation:slidein .22s ease}
@keyframes slidein{from{transform:translateY(24px);opacity:0}to{transform:none;opacity:1}}
.sheet-head{position:sticky;top:0;z-index:2;display:grid;grid-template-columns:44px 1fr 60px;align-items:center;gap:6px;
  padding:calc(8px + var(--sat)) 12px 8px;background:inherit}
.sheet-head h2{margin:0;text-align:center;font-size:17px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sheet-head .back{font-size:34px;font-weight:300;padding-bottom:5px}
.sheet-head > :last-child{justify-self:end}

#view-head{color:#fff}
.view-body{padding:18px 16px calc(24px + var(--sab));display:flex;flex-direction:column;gap:16px;align-items:stretch}
.barcode-box{background:#fff;color:#000;border-radius:var(--radius);padding:22px 14px 16px;display:flex;flex-direction:column;align-items:center;gap:10px;
  box-shadow:0 12px 40px rgba(0,0,0,.45);min-height:200px;justify-content:center;cursor:pointer}
.barcode-box canvas{max-width:100%;height:auto;display:block}
.barcode-box.rotated{min-height:70vh}
.barcode-box.rotated canvas{transform:rotate(90deg);max-width:none;max-height:100%}
.barcode-box.rotated .code-text,.barcode-box.rotated .fmt-text{display:none}
.code-text{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;letter-spacing:.08em;word-break:break-all;text-align:center}
.fmt-text{font-size:12px;color:#666;text-transform:uppercase;letter-spacing:.1em}
.barcode-box .error{color:#b00;font-size:14px;text-align:center}
.note{margin:0;padding:12px 14px;background:var(--panel);border-radius:12px;color:var(--muted)}
.tip{margin:0;text-align:center;color:var(--muted);font-size:13px}
.row{display:flex;gap:10px}
.row .btn{flex:1}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 16px;border-radius:13px;background:var(--panel2);font-weight:600;color:var(--text)}
.btn:active{filter:brightness(1.2)}
.btn.primary{background:var(--accent);color:#fff}
.btn.danger{background:transparent;color:var(--danger);border:1px solid rgba(255,95,109,.4)}

/* Form */
.form{padding:8px 16px calc(28px + var(--sab));display:flex;flex-direction:column;gap:18px}
.form label,.form .label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.form input,.form select{width:100%;padding:13px 14px;border-radius:13px;border:0;background:var(--panel);color:var(--text);font-size:17px;outline:none;-webkit-appearance:none;appearance:none;text-transform:none;letter-spacing:normal;font-weight:400}
.form input:focus,.form select:focus{box-shadow:0 0 0 2px var(--accent)}
.form select{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='%239aa3b2' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
.inputrow{display:flex;gap:8px}
.inputrow input{flex:1;min-width:0}
.inputrow .btn{padding:0 14px;text-transform:none;letter-spacing:normal}
.preview{background:#fff;border-radius:13px;padding:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:90px;gap:6px}
.preview canvas{max-width:100%;height:auto}
.preview .muted{color:#777;font-size:13px;text-align:center}
.muted{color:var(--muted);font-weight:400;text-transform:none;letter-spacing:normal}
.swatches{display:flex;flex-wrap:wrap;gap:10px}
.swatch{width:40px;height:40px;border-radius:50%;border:3px solid transparent;box-shadow:inset 0 1px 0 rgba(255,255,255,.25)}
.swatch.on{border-color:#fff;box-shadow:0 0 0 2px var(--bg),0 0 0 4px #fff}

/* Scanner */
.scan{background:#000}
.scan video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.scan-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}
.scan-frame{width:78vw;max-width:420px;height:44vw;max-height:240px;border-radius:14px;box-shadow:0 0 0 200vmax rgba(0,0,0,.45);outline:2px solid rgba(255,255,255,.9)}
.scan-head{position:relative;background:transparent!important;color:#fff}
.scan-status{position:absolute;left:0;right:0;bottom:calc(40px + var(--sab));text-align:center;color:#fff;padding:0 24px;text-shadow:0 1px 4px #000;font-size:15px}

/* Menu */
.menu-body{padding:6px 16px calc(28px + var(--sab));display:flex;flex-direction:column;gap:12px}
.menu-body h3{margin:16px 0 0;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.menu-body p{margin:0}

.toast{position:fixed;left:50%;bottom:calc(100px + var(--sab));transform:translateX(-50%);background:#fff;color:#000;padding:10px 16px;border-radius:12px;font-weight:600;z-index:50;box-shadow:0 10px 30px rgba(0,0,0,.4);max-width:90vw;text-align:center}