:root{
  --bg:#0c1424; --panel:#111c31; --panel2:#0f1a2e; --line:#263650;
  --text:#f7fbff; --muted:#9fb1ca; --accent:#ffd21f; --accent2:#fff1a6;
  --danger:#ff4d56; --success:#2ed573; --warning:#ffb020;
  --shadow:0 24px 70px rgba(0,0,0,.35); --radius:22px;
}
*{box-sizing:border-box} body{margin:0;background:radial-gradient(circle at top left,#16243e 0,#0c1424 38%,#081020 100%);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif;min-height:100vh}
a{text-decoration:none;color:inherit}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 5vw;border-bottom:1px solid rgba(255,255,255,.06);position:sticky;top:0;background:rgba(12,20,36,.88);backdrop-filter:blur(14px);z-index:20}.brand{display:flex;align-items:center;gap:16px}.brand-mark{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--accent),#f0b600);color:#0c1424;display:grid;place-items:center;font-weight:900;letter-spacing:.5px;box-shadow:0 12px 30px rgba(255,210,31,.22)}.brand h1{font-size:28px;margin:0;line-height:1}.brand span{font-size:13px;color:var(--muted)}.actions{display:flex;gap:10px;flex-wrap:wrap}.btn{border:1px solid var(--line);background:#18243a;color:var(--text);padding:12px 18px;border-radius:14px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.2s}.btn:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.28)}.btn.primary{background:linear-gradient(135deg,var(--accent),#f2b900);border-color:transparent;color:#111827}.btn.danger{background:var(--danger);border-color:transparent;color:white}.btn.ghost{background:rgba(255,255,255,.06)}.btn.small{padding:9px 12px;border-radius:11px;font-size:13px}.btn.full{width:100%}.container{width:min(1180px,90vw);margin:32px auto 70px}.container.narrow{width:min(880px,92vw)}.hero-card,.panel-form,.login-card{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(17,28,49,.96),rgba(10,18,34,.96));box-shadow:var(--shadow)}.hero-card{padding:28px;display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:end}.eyebrow{margin:0 0 10px;color:var(--accent);font-weight:900;text-transform:uppercase;letter-spacing:.12em;font-size:12px}.hero-card h2{font-size:34px;margin:0 0 10px}.hero-card p{color:var(--muted);line-height:1.6;margin:0}.search-box{display:grid;grid-template-columns:1fr 170px 170px;gap:10px}input,select,textarea{width:100%;border:1px solid var(--line);background:#0b1324;color:var(--text);border-radius:14px;padding:14px 14px;font:inherit;outline:none}textarea{resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,210,31,.08)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:20px 0}.stats article{background:rgba(255,255,255,.055);border:1px solid var(--line);border-radius:18px;padding:20px}.stats strong{font-size:34px;color:var(--accent);display:block}.stats span{color:var(--muted);font-weight:700}.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.product-card{overflow:hidden;border:1px solid var(--line);border-radius:22px;background:linear-gradient(180deg,#111d32,#0c1527);box-shadow:0 18px 50px rgba(0,0,0,.22)}.media{height:210px;position:relative;background:#070d18}.media img{width:100%;height:100%;object-fit:cover;display:block}.placeholder{height:100%;display:grid;place-items:center;color:var(--muted);font-weight:800;background:linear-gradient(135deg,#121f37,#081020)}.status{position:absolute;top:14px;right:14px;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:900;color:#071020}.status.available{background:var(--success)}.status.reserved{background:var(--warning)}.status.sold{background:var(--danger);color:white}.content{padding:20px}.title-row{display:flex;justify-content:space-between;gap:12px;align-items:start}.title-row h3{margin:0;font-size:20px}.title-row strong{color:var(--accent);white-space:nowrap}.badges{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.badge{background:rgba(255,210,31,.12);color:var(--accent2);border:1px solid rgba(255,210,31,.25);padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}.badge.muted{color:var(--muted);border-color:var(--line);background:rgba(255,255,255,.04)}.field-line{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px;font-weight:800;margin-top:12px}.copy{background:rgba(255,255,255,.08);border:1px solid var(--line);color:var(--text);border-radius:9px;padding:6px 9px;cursor:pointer;font-weight:800}code{display:block;background:#081020;border:1px solid rgba(255,255,255,.06);border-radius:12px;padding:10px;margin-top:7px;color:#dce8ff;word-break:break-all}.notes{color:var(--muted);line-height:1.5;border-left:3px solid var(--accent);padding-left:10px}.card-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}.card-actions form{margin:0}.date{display:block;color:var(--muted);margin-top:12px}.empty{grid-column:1/-1;text-align:center;padding:50px;border:1px dashed var(--line);border-radius:22px;background:rgba(255,255,255,.04)}.alert{padding:14px 16px;border-radius:14px;margin-bottom:18px;font-weight:800}.alert.success{background:rgba(46,213,115,.12);border:1px solid rgba(46,213,115,.35);color:#a8ffc9}.alert.error{background:rgba(255,77,86,.13);border:1px solid rgba(255,77,86,.35);color:#ffc4c7}.panel-form{padding:30px}.panel-form h2{margin-top:0}.form-grid{display:grid;gap:16px}.form-grid.two{grid-template-columns:1fr 1fr}.panel-form label{display:block;color:#dce8ff;font-weight:800;margin:14px 0 8px}.checks{display:flex;gap:12px;flex-wrap:wrap;margin:8px 0 16px}.checks label{margin:0;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:999px;padding:10px 14px}.checks input{width:auto}.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.login-body{display:grid;place-items:center;padding:30px}.login-shell{width:min(460px,92vw)}.login-card{padding:34px}.login-card .brand-mark{margin-bottom:18px}.login-card h1{font-size:34px;margin:0 0 8px}.login-card p,.login-card small{color:var(--muted);line-height:1.5}@media(max-width:980px){.hero-card{grid-template-columns:1fr}.search-box{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.grid-cards{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){.topbar{align-items:flex-start;flex-direction:column}.actions{width:100%}.actions .btn{flex:1}.grid-cards,.stats,.form-grid.two{grid-template-columns:1fr}.hero-card h2{font-size:27px}.brand h1{font-size:22px}}

.help-text{display:block;margin-top:6px;color:#94a3b8;font-size:12px;line-height:1.35}


/* Mejoras visuales para archivos y formularios oscuros */
input[type="file"]{
  padding:10px 12px;
  background:linear-gradient(180deg,#0b1324,#0a1120);
  color:var(--text);
  border:1px solid var(--line);
  border-radius:14px;
}
input[type="file"]::file-selector-button{
  margin-right:12px;
  border:none;
  background:linear-gradient(135deg,var(--accent),#f2b900);
  color:#101826;
  font-weight:900;
  padding:11px 16px;
  border-radius:12px;
  cursor:pointer;
}
input[type="file"]::-webkit-file-upload-button{
  margin-right:12px;
  border:none;
  background:linear-gradient(135deg,var(--accent),#f2b900);
  color:#101826;
  font-weight:900;
  padding:11px 16px;
  border-radius:12px;
  cursor:pointer;
}
input[type="file"]:hover::file-selector-button,
input[type="file"]:hover::-webkit-file-upload-button{
  filter:brightness(1.03);
}
input::placeholder, textarea::placeholder{color:#6f83a0;font-weight:700}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%, #cfd8e8 50%),linear-gradient(135deg, #cfd8e8 50%, transparent 50%);background-position:calc(100% - 22px) calc(50% - 3px),calc(100% - 16px) calc(50% - 3px);background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:42px}
textarea{min-height:120px;background:linear-gradient(180deg,#0b1324,#091121)}
.panel-form label{font-size:15px}


/* Selector de archivos 100% personalizado: elimina el botón blanco nativo */
.form-field{display:block;margin:14px 0 8px}
.field-title{display:block;color:#dce8ff;font-weight:900;margin:0 0 8px;font-size:15px}
.file-upload{
  width:100%;
  min-height:54px;
  border:1px solid var(--line);
  background:linear-gradient(180deg,#0b1324,#091121);
  border-radius:14px;
  padding:8px;
  display:flex;
  align-items:center;
  gap:12px;
  cursor:pointer;
  overflow:hidden;
  transition:.2s;
}
.file-upload:hover{border-color:rgba(255,210,31,.65);box-shadow:0 0 0 4px rgba(255,210,31,.07)}
.file-upload.wide{max-width:100%}
.file-input{
  position:absolute !important;
  width:1px !important;
  height:1px !important;
  opacity:0 !important;
  pointer-events:none !important;
}
.file-button{
  flex:0 0 auto;
  background:linear-gradient(135deg,var(--accent),#f2b900);
  color:#101826;
  font-weight:950;
  padding:11px 16px;
  border-radius:12px;
  box-shadow:0 10px 24px rgba(255,210,31,.14);
}
.file-name{
  color:#dce8ff;
  font-weight:800;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
@media(max-width:680px){.file-upload{align-items:stretch;flex-direction:column}.file-button{text-align:center}.file-name{white-space:normal}}


/* === V5: selector de archivos definitivo, sin botón blanco nativo === */
.file-control{
  width:100%;
  min-height:56px;
  border:1px solid var(--line);
  background:linear-gradient(180deg,#0b1324,#091121);
  border-radius:16px;
  padding:9px;
  display:flex;
  align-items:center;
  gap:12px;
  overflow:hidden;
}
.file-control:hover{
  border-color:rgba(255,210,31,.7);
  box-shadow:0 0 0 4px rgba(255,210,31,.07);
}
.file-input-native{
  display:none !important;
  visibility:hidden !important;
  width:0 !important;
  height:0 !important;
  opacity:0 !important;
  position:absolute !important;
  left:-9999px !important;
}
.file-control .file-button{
  background:linear-gradient(135deg,var(--accent),#f2b900);
  color:#101826;
  font-weight:950;
  padding:12px 16px;
  border-radius:12px;
  cursor:pointer;
  user-select:none;
  white-space:nowrap;
  border:0;
  box-shadow:0 12px 28px rgba(255,210,31,.16);
}
.file-control .file-button:hover{filter:brightness(1.04);transform:translateY(-1px)}
.file-control .file-name{
  color:#dce8ff;
  font-weight:800;
  min-width:0;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.password-note{
  background:rgba(255,210,31,.08);
  border:1px solid rgba(255,210,31,.22);
  color:#fff1a6;
  padding:14px 16px;
  border-radius:14px;
  line-height:1.5;
  font-weight:800;
  margin-bottom:18px;
}
@media(max-width:680px){
  .file-control{align-items:stretch;flex-direction:column}
  .file-control .file-button{text-align:center;width:100%}
  .file-control .file-name{white-space:normal;text-align:center}
}