/* Estilos compartidos: galería de clientes, descarga y panel */
:root{
  --bg:#0c0d0c;--bg-2:#151715;--bg-3:#1d201c;--line:#2a2e29;--text:#f2f1ea;--muted:#a3a89f;
  --accent:#d4f25a;--accent-ink:#141a05;--danger:#ff7a6b;--wa:#25d366;
  --display:'Anton',Impact,'Arial Narrow',sans-serif;--body:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --gutter:clamp(16px,4vw,48px);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;min-height:100vh}
img{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
[hidden],.hidden{display:none!important}
h1,h2{font-family:var(--display);font-weight:400;text-transform:uppercase;line-height:.95;margin:0}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.muted{color:var(--muted)}

.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px var(--gutter);border-bottom:1px solid var(--line);background:#0c0d0cf2;backdrop-filter:blur(10px);position:sticky;top:0;z-index:20}
.topbar img{height:26px;width:auto}
.topbar nav{display:flex;align-items:center;gap:14px;font-size:14px}
.topbar a{text-decoration:none;opacity:.85}
.topbar a:hover{opacity:1;color:var(--accent)}

.wrap{padding:clamp(28px,5vw,56px) var(--gutter)}
.narrow{max-width:460px;margin:0 auto}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .15s,background .2s,color .2s,border-color .2s,opacity .2s;white-space:nowrap}
.btn:hover:not(:disabled){transform:translateY(-1px)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-line{border-color:var(--line);background:none}
.btn-line:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.btn-danger{border-color:#ff7a6b55;background:none;color:var(--danger)}
.btn-danger:hover:not(:disabled){background:#ff7a6b18}
.btn-wa{background:var(--wa);color:#062b13}
.btn-sm{padding:8px 14px;font-size:13px}

.card{background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:clamp(20px,3vw,32px)}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
label{font-size:13px;font-weight:500;color:#cdd0c7}
input,select,textarea{width:100%;font:inherit;font-size:15px;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:7px;padding:12px 14px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}
.code-input{font-family:var(--display);font-size:30px;letter-spacing:.18em;text-align:center;text-transform:uppercase;padding:14px}
.msg{min-height:1.4em;margin:10px 0 0;font-size:14px}
.msg.err{color:var(--danger)}
.msg.ok{color:var(--accent)}

/* Cuadrícula de fotos */
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.ph{position:relative;aspect-ratio:4/5;border-radius:6px;overflow:hidden;background:var(--bg-3);border:0;padding:0;cursor:pointer;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.ph img{width:100%;height:100%;object-fit:cover;pointer-events:none;transition:transform .5s,filter .3s}
.ph:hover img{transform:scale(1.03)}
.ph .check{position:absolute;top:10px;right:10px;width:34px;height:34px;border-radius:50%;border:2px solid #fff;background:#0007;display:grid;place-items:center;font-weight:700;font-size:15px;transition:all .2s}
.ph.on{outline:3px solid var(--accent);outline-offset:-3px}
.ph.on .check{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.ph.on img{filter:brightness(.88)}
.ph .zoom{position:absolute;left:10px;bottom:10px;width:34px;height:34px;border-radius:50%;background:#000a;border:1px solid #ffffff44;display:grid;place-items:center;font-size:15px}

/* Barra inferior de selección */
.selbar{position:sticky;bottom:0;z-index:15;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:14px var(--gutter);background:#0c0d0cf5;backdrop-filter:blur(10px);border-top:1px solid var(--line)}
.counter{font-family:var(--display);font-size:30px;line-height:1}
.counter small{font-family:var(--body);font-size:14px;color:var(--muted);margin-left:8px}
.progress{height:4px;background:var(--line);border-radius:4px;overflow:hidden;margin-top:8px;width:min(260px,50vw)}
.progress i{display:block;height:100%;background:var(--accent);transition:width .3s}

/* Visor */
dialog.viewer{padding:0;border:0;background:transparent;width:100vw;height:100vh;max-width:100vw;max-height:100vh;color:#fff;overflow:hidden}
dialog.viewer::backdrop{background:#000000f2}
dialog.viewer[open]{display:flex;align-items:center;justify-content:center}
.viewer img{max-width:min(92vw,1400px);max-height:78vh;object-fit:contain;user-select:none;-webkit-user-drag:none;pointer-events:none}
.vbtn{position:absolute;width:50px;height:50px;border-radius:50%;border:1px solid #ffffff40;background:#111c;color:#fff;cursor:pointer;font-size:20px;display:grid;place-items:center}
.vbtn:hover{background:var(--accent);color:var(--accent-ink)}
.v-close{top:16px;right:16px}.v-prev{left:16px;top:50%;translate:0 -50%}.v-next{right:16px;top:50%;translate:0 -50%}
.v-bar{position:absolute;bottom:18px;left:0;right:0;display:flex;justify-content:center;align-items:center;gap:16px;font-size:14px;color:#cfd1c9}

/* Modal */
dialog.modal{border:1px solid var(--line);border-radius:12px;background:var(--bg-2);color:var(--text);padding:clamp(22px,4vw,34px);width:min(480px,calc(100vw - 32px))}
dialog.modal::backdrop{background:#000c}
.modal h2{font-size:34px;margin-bottom:10px}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#cdd0c7;margin:4px 0 18px}
.check-row input{width:18px;height:18px;margin-top:2px;accent-color:var(--accent);flex:none}
.actions{display:flex;gap:10px;flex-wrap:wrap}

.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:40px auto}
@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:600px){
  .photo-grid{grid-template-columns:repeat(2,1fr);gap:8px}
  .ph .check{width:30px;height:30px;top:8px;right:8px}
  .counter{font-size:26px}
  .selbar .btn{flex:1}
  .v-prev,.v-next{top:auto;bottom:60px;translate:none}
}