:root{--bg:#f5f3ef;--surface:#fff;--surface2:#f0ede8;--border:#d8d3cb;--border2:#c8c2b8;--text:#1a1916;--text2:#5a574f;--text3:#8a8880;--accent:#c84b1a;--accent2:#e85e28;--accent-bg:#fdf0eb;--green:#1a7a3a;--green-bg:#e8f5ed;--blue:#1a4a8a;--blue-bg:#e8eef8;--yellow:#7a5a0a;--yellow-bg:#fdf5e0;--radius:8px;--radius-lg:12px;--shadow:0 1px 3px rgba(0,0,0,.08);--shadow-lg:0 4px 24px rgba(0,0,0,.12)}
html.dark{
  --bg:#0f0f11;--surface:#1a1a1e;--surface2:#242428;--border:#2e2e34;--border2:#3a3a42;
  --text:#f0f0f2;--text2:#9494a0;--text3:#5a5a6a;
  --accent:#f97316;--accent2:#fb923c;--accent-bg:rgba(249,115,22,.12);
  --green:#34d399;--green-bg:rgba(52,211,153,.1);
  --blue:#60a5fa;--blue-bg:rgba(96,165,250,.1);
  --yellow:#fbbf24;--yellow-bg:rgba(251,191,36,.1);
  --red:#f87171;--red-bg:rgba(248,113,113,.1);
  --radius:8px;--radius-lg:12px;
  --shadow:0 1px 4px rgba(0,0,0,.5);--shadow-lg:0 8px 32px rgba(0,0,0,.6)
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'IBM Plex Sans',sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-tap-highlight-color:transparent}
button{cursor:pointer;font-family:inherit;touch-action:manipulation} /* evita doble-tap zoom en iOS */
input,select,textarea{font-family:inherit}

/* ── LOGIN ── */
#login-screen{position:fixed;inset:0;background:var(--bg);z-index:1000;display:flex;align-items:center;justify-content:center}
#login-screen.hidden{display:none}
.login-box{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:44px;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}
.login-logo{font-family:'IBM Plex Mono',monospace;font-size:24px;font-weight:500;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.login-logo .logo-icon{width:42px;height:42px;background:var(--accent);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px}
.login-logo span{font-size:14px;opacity:.5}
.login-sub{font-size:13px;color:var(--text3);margin-bottom:28px}
.login-field{margin-bottom:16px}
.login-field label{display:block;font-size:11px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--text3);margin-bottom:6px}
.login-field input{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:15px;outline:none;transition:all .15s;background:var(--surface2);color:var(--text)}
.login-field input:focus{border-color:var(--accent);background:var(--surface);box-shadow:0 0 0 3px var(--accent-bg)}
.login-error{font-size:12px;color:#c0392b;margin-bottom:12px;min-height:16px}
.login-btn{width:100%;padding:14px;border:none;border-radius:var(--radius-lg);background:var(--accent);color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:all .15s;letter-spacing:.3px}
.login-btn:active{transform:scale(.98)}
.login-btn:hover{background:var(--accent2)}
.login-btn:disabled{background:var(--border2);cursor:not-allowed}




/* ── LOGO UPLOAD ── */
.logo-upload-area{border:2px dashed var(--border2);border-radius:10px;padding:18px;text-align:center;cursor:pointer;transition:all .15s;background:var(--surface)}
.logo-upload-area:hover{border-color:var(--accent);background:var(--accent-bg)}
.logo-upload-area.has-logo{border-style:solid;border-color:var(--border)}
.logo-preview{max-height:80px;max-width:200px;border-radius:6px;object-fit:contain;display:block;margin:0 auto 8px}
.logo-upload-hint{font-size:12px;color:var(--text3)}
.logo-upload-hint strong{color:var(--text2)}

/* ── SCANNER CÁMARA ── */
#scanner-modal{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:2000;display:flex;align-items:center;justify-content:center}
#scanner-modal.hidden{display:none}
.scanner-box{background:#111;border-radius:16px;overflow:hidden;width:100%;max-width:420px;display:flex;flex-direction:column}
.scanner-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:#1a1a1e;border-bottom:1px solid rgba(255,255,255,.08)}
.scanner-header span{color:#fff;font-weight:600;font-size:15px}
.scanner-close{background:none;border:none;color:rgba(255,255,255,.6);font-size:22px;cursor:pointer;line-height:1;padding:2px 6px;border-radius:6px}
.scanner-close:hover{color:#fff;background:rgba(255,255,255,.1)}
.scanner-video-wrap{position:relative;background:#000;width:100%;aspect-ratio:4/3;overflow:hidden}
#scanner-video{width:100%;height:100%;object-fit:cover;display:block}
.scanner-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}
.scanner-frame{width:64%;aspect-ratio:2.5/1;border:2.5px solid #f97316;border-radius:10px;box-shadow:0 0 0 9999px rgba(0,0,0,.45)}
.scanner-line{position:absolute;left:18%;right:18%;height:2px;background:linear-gradient(90deg,transparent,#f97316,transparent);animation:scanline 1.8s ease-in-out infinite}
@keyframes scanline{0%,100%{top:20%;opacity:.4}50%{top:76%;opacity:1}}
.scanner-status{padding:12px 18px;background:#1a1a1e;text-align:center;font-size:13px;color:rgba(255,255,255,.6);min-height:42px}
.scanner-status.ok{color:#4ade80;font-weight:600}
.scanner-status.err{color:#f87171}
.scanner-actions{display:flex;gap:10px;padding:12px 16px;background:#1a1a1e;border-top:1px solid rgba(255,255,255,.06)}
.scanner-btn{flex:1;padding:10px;border:1px solid rgba(255,255,255,.15);border-radius:8px;background:rgba(255,255,255,.05);color:#fff;font-size:13px;cursor:pointer;transition:all .15s;font-weight:500}
.scanner-btn:hover{background:rgba(255,255,255,.1)}
.scanner-btn.primary{background:#f97316;border-color:#f97316;color:#fff}
.scanner-btn.primary:hover{background:#ea6a0a}
/* Botón cámara en search box */
.scan-cam-btn{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;font-size:20px;cursor:pointer;color:var(--text3);transition:color .15s;padding:4px;line-height:1;border-radius:6px}
.scan-cam-btn:hover{color:var(--accent);background:var(--accent-bg)}

/* ── ETIQUETAS & CARTELES ── */
.etiq-tabs{display:flex;gap:6px;margin-bottom:20px}
.etiq-tab{padding:8px 18px;border:1.5px solid var(--border);border-radius:var(--radius);background:var(--surface);font-size:13px;font-weight:500;color:var(--text2);cursor:pointer;transition:all .15s}
.etiq-tab.active{border-color:var(--accent);background:var(--accent-bg);color:var(--accent)}
.etiq-panel{display:none}.etiq-panel.active{display:block}
.etiq-config{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;margin-bottom:16px}
.etiq-config-title{font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--text3);margin-bottom:14px}
.etiq-grid-preview{display:flex;flex-wrap:wrap;gap:8px;padding:16px;background:white;border:1px solid #ddd;border-radius:8px;min-height:200px;margin:12px 0}
.etiq-item-preview{border:1px dashed #ccc;border-radius:4px;padding:6px 8px;display:flex;flex-direction:column;align-items:center;gap:3px;background:#fff;font-family:Arial,sans-serif}
.etiq-item-preview .ei-name{font-size:9px;font-weight:700;color:#111;text-align:center;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.etiq-item-preview .ei-precio{font-size:13px;font-weight:900;color:#111;font-family:Arial,sans-serif}
.etiq-item-preview .ei-cod{font-size:7px;color:#555;margin-top:1px}
.etiq-item-preview .ei-vto{font-size:7px;color:#e55;font-weight:600}
.etiq-selector{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px;max-height:280px;overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius);padding:10px;margin:8px 0}
.etiq-prod-check{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:6px;cursor:pointer;transition:background .1s}
.etiq-prod-check:hover{background:var(--surface2)}
.etiq-prod-check input{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}
.etiq-prod-check label{font-size:13px;cursor:pointer;flex:1}
.etiq-prod-check .eprice{font-size:11px;color:var(--text3);font-family:'IBM Plex Mono',monospace}
/* Carteles */
.cartel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:12px}
.cartel-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.cartel-preview-wrap{padding:16px;background:var(--surface2);display:flex;align-items:center;justify-content:center;min-height:160px}
.cartel-simple{background:#fff;border-radius:8px;padding:20px 24px;text-align:center;font-family:Arial,sans-serif;min-width:220px}
.cartel-simple .cs-nombre{font-size:14px;font-weight:700;color:#111;margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}
.cartel-simple .cs-precio{font-size:48px;font-weight:900;color:#c84b1a;line-height:1}
.cartel-simple .cs-moneda{font-size:22px;font-weight:700;color:#c84b1a;vertical-align:top;margin-top:6px;display:inline-block}
.cartel-simple .cs-cat{font-size:11px;color:#888;margin-top:4px}
.cartel-oferta{background:linear-gradient(135deg,#1a1a1e 60%,#c84b1a 100%);border-radius:8px;padding:20px 24px;text-align:center;font-family:Arial,sans-serif;min-width:220px}
.cartel-oferta .co-badge{background:#f97316;color:#fff;font-size:10px;font-weight:800;letter-spacing:1px;padding:2px 10px;border-radius:20px;display:inline-block;margin-bottom:8px;text-transform:uppercase}
.cartel-oferta .co-nombre{font-size:13px;font-weight:700;color:#fff;margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}
.cartel-oferta .co-antes{font-size:14px;color:rgba(255,255,255,.5);text-decoration:line-through;margin-bottom:2px}
.cartel-oferta .co-precio{font-size:46px;font-weight:900;color:#f97316;line-height:1}
.cartel-oferta .co-moneda{font-size:20px;font-weight:700;color:#f97316;vertical-align:top;margin-top:8px;display:inline-block}
.cartel-oferta .co-vigencia{font-size:10px;color:rgba(255,255,255,.5);margin-top:6px}
.cartel-actions{padding:10px 14px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end}
@media print{
  .no-print{display:none!important}
  body{background:#fff}
  .etiq-print-area{page-break-inside:avoid}
}

/* ── PIN SCREEN ── */
#pin-screen{position:fixed;inset:0;background:var(--bg);z-index:1001;display:flex;align-items:center;justify-content:center}
#pin-screen.hidden{display:none}
.pin-box{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:32px 28px;width:100%;max-width:360px;box-shadow:var(--shadow-lg);text-align:center}
.pin-users{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}
.pin-user-btn{background:var(--surface2);border:2px solid var(--border);border-radius:12px;padding:12px 8px;cursor:pointer;transition:all .15s;text-align:center}
.pin-user-btn:hover{border-color:var(--accent);background:var(--accent-bg)}
.pin-user-btn.selected{border-color:var(--accent);background:var(--accent-bg)}
.pin-user-av{width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 6px}
.pin-user-name{font-size:12px;font-weight:600;color:var(--text);line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pin-user-role{font-size:10px;color:var(--text3);margin-top:2px}
.pin-dots{display:flex;gap:12px;justify-content:center;margin:20px 0 18px}
.pin-dot{width:14px;height:14px;border-radius:50%;border:2px solid var(--border2);background:transparent;transition:all .15s}
.pin-dot.filled{background:var(--accent);border-color:var(--accent)}
.pin-dot.error{background:#f87171;border-color:#f87171;animation:pinshake .3s}
.pin-numpad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}
.pin-key{background:var(--surface2);border:1px solid var(--border);border-radius:12px;height:56px;font-size:20px;font-weight:600;cursor:pointer;transition:all .12s;color:var(--text);display:flex;align-items:center;justify-content:center}
.pin-key:hover{background:var(--accent-bg);border-color:var(--accent);color:var(--accent)}
.pin-key:active{transform:scale(.94)}
.pin-key.del{font-size:18px;color:var(--text2)}
.pin-error{font-size:12px;color:#f87171;min-height:16px;margin-bottom:8px}
.pin-admin-link{font-size:12px;color:var(--text3);cursor:pointer;text-decoration:underline;margin-top:8px;display:inline-block}
.pin-admin-link:hover{color:var(--accent)}
@keyframes pinshake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}

/* ── NAV ── */
.nav{background:#0a0a0c;border-bottom:1px solid rgba(255,255,255,.06);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,env(safe-area-inset-right)) 0 max(20px,env(safe-area-inset-left));height:56px;position:sticky;top:0;z-index:100;backdrop-filter:blur(12px)}
.nav-brand{font-family:'IBM Plex Mono',monospace;font-size:15px;letter-spacing:-.3px;display:flex;align-items:center;gap:10px}
.nav-brand .nav-badge{background:var(--accent);color:#fff;padding:2px 8px;border-radius:3px;font-size:11px;font-weight:500;letter-spacing:.5px}
.nav-tabs{display:flex;gap:2px}
.nav-tab{background:transparent;border:none;color:rgba(255,255,255,.55);padding:8px 14px;border-radius:var(--radius);font-size:13px;font-weight:500;transition:all .15s;cursor:pointer}
.nav-tab:hover{background:rgba(255,255,255,.08);color:rgba(255,255,255,.85)}
.nav-tab.active{background:rgba(255,255,255,.12);color:#fff}
.nav-tab.oculto{display:none}
.nav-right{display:flex;align-items:center;gap:14px}
.sync-status{font-size:11px;color:rgba(255,255,255,.55);display:flex;align-items:center;gap:6px}
.sync-dot{width:7px;height:7px;border-radius:50%;background:#888;transition:background .3s}
.sync-dot.ok{background:#4ade80}
.sync-dot.syncing{background:#facc15;animation:blink 1s infinite}
.sync-dot.error{background:#f87171}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.user-chip{display:flex;align-items:center;gap:7px;font-size:12px;color:rgba(255,255,255,.7)}
.user-avatar{width:28px;height:28px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;flex-shrink:0}
.role-pill{font-size:10px;padding:2px 7px;border-radius:20px;font-weight:600;letter-spacing:.3px}
.role-dueno{background:#7c3aed;color:#fff}
.role-admin{background:var(--blue);color:#fff}
.role-cajero{background:var(--green);color:#fff}
.role-stock{background:var(--yellow);color:#fff}
.btn-logout{background:rgba(255,255,255,.1);border:none;color:rgba(255,255,255,.7);padding:5px 10px;border-radius:var(--radius);font-size:12px;cursor:pointer}
.btn-logout:hover{background:rgba(255,255,255,.18);color:#fff}

/* ── LOADING ── */
#loading-overlay{position:fixed;inset:0;background:var(--bg);z-index:998;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}
#loading-overlay.hidden{display:none}
.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}