/* ============================================================
   OCR + PDF/A — Sistema de diseño (Wixart)
   Tipografías: Space Grotesk (titulares) + Inter (texto)
   ============================================================ */
:root{
  --ink:#0B1220;
  --ink-2:#0E1730;
  --bg:#F5F7FB;
  --surface:#ffffff;
  --text:#1A2440;
  --muted:#5B6B85;
  --border:#E6EAF2;
  --primary:#2563EB;
  --primary-2:#4F46E5;
  --grad:linear-gradient(135deg,#2563EB 0%,#4F46E5 100%);
  --grad-text:linear-gradient(90deg,#60A5FA,#A78BFA);
  --ok:#15803D; --ok-bg:#DCFCE7;
  --warn:#A16207; --warn-bg:#FEF9C3;
  --err:#B91C1C; --err-bg:#FEE2E2;
  --radius:16px;
  --shadow:0 14px 40px rgba(11,18,32,.10);
  --shadow-sm:0 2px 12px rgba(11,18,32,.06);
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Space Grotesk','Inter',sans-serif;letter-spacing:-.01em;color:var(--ink);}
a{color:inherit;}
img{max-width:100%;}

.container{width:100%;max-width:1080px;margin:0 auto;padding:0 1.25rem;}

/* ---------- Cabecera ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,18,32,.92);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 0;}
.brand{display:flex;align-items:center;gap:.55rem;color:#fff;font-family:'Space Grotesk';font-weight:700;font-size:1.02rem;text-decoration:none;}
.brand img{height:26px;width:auto;display:block;}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-weight:600;font-size:.95rem;font-family:'Inter';
  border-radius:12px;padding:.8rem 1.15rem;cursor:pointer;text-decoration:none;
  border:1px solid transparent;transition:transform .15s,filter .15s,background .15s,border-color .15s,color .15s;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.28);}
.btn-primary:hover:not(:disabled){filter:brightness(1.06);transform:translateY(-1px);}
.btn-primary:disabled{background:#64748B;box-shadow:none;cursor:not-allowed;opacity:.7;}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.2);}
.btn-ghost:hover{background:rgba(255,255,255,.16);}
.btn-secondary{background:#fff;color:var(--text);border-color:var(--border);}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary);}
.btn-block{width:100%;}
.btn-lg{padding:1rem 1.25rem;font-size:1.02rem;border-radius:14px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:
    radial-gradient(1200px 520px at 50% -12%, rgba(79,70,229,.32), transparent 60%),
    linear-gradient(180deg,#0B1220 0%, #0E1730 100%);
}
.hero-inner{padding:3.4rem 1.25rem 3.2rem;text-align:center;max-width:1080px;margin:0 auto;}
.eyebrow{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.78rem;font-weight:600;letter-spacing:.02em;
  color:#C7D2FE;background:rgba(99,102,241,.16);
  border:1px solid rgba(129,140,248,.32);
  padding:.35rem .8rem;border-radius:999px;margin-bottom:1.1rem;
}
.hero h1{font-size:clamp(1.9rem,5.5vw,3.1rem);line-height:1.08;font-weight:700;color:#fff;}
.grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero .lead{color:#AAB6CF;max-width:600px;margin:1.05rem auto 0;font-size:clamp(1rem,2.5vw,1.15rem);line-height:1.55;}

/* ---------- Tarjeta de subida (integrada en el hero) ---------- */
.upload{
  max-width:560px;margin:2.1rem auto 0;text-align:left;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:20px;padding:1.1rem;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  box-shadow:0 20px 50px rgba(0,0,0,.35);
}
.drop-zone{
  border:2px dashed rgba(255,255,255,.28);border-radius:14px;
  padding:1.6rem 1.2rem;text-align:center;cursor:pointer;transition:all .2s;
}
.drop-zone.dragover{border-color:#60A5FA;background:rgba(96,165,250,.12);}
.drop-icon{font-size:1.9rem;margin-bottom:.45rem;}
.drop-zone h2{font-size:1rem;font-weight:600;color:#fff;margin-bottom:.2rem;font-family:'Inter';}
.drop-zone p{font-size:.85rem;color:#AAB6CF;}
.browse{color:#93C5FD;font-weight:600;cursor:pointer;text-decoration:underline;}
#file-input{display:none;}

#file-list{margin-top:.8rem;max-height:210px;overflow:auto;}
.file-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:10px;padding:.6rem .8rem;margin-bottom:.45rem;
  display:flex;align-items:center;gap:.7rem;
}
.file-icon{font-size:1.1rem;flex-shrink:0;}
.file-name{flex:1;font-size:.85rem;color:#E6EAF2;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.file-size{font-size:.76rem;color:#94A3B8;flex-shrink:0;}
.file-remove{cursor:pointer;color:#94A3B8;background:none;border:none;font-size:1rem;line-height:1;flex-shrink:0;padding:.1rem;transition:color .15s;}
.file-remove:hover{color:#F87171;}

.upload .actions{margin-top:.9rem;}
.spinner{width:18px;height:18px;border:2.5px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:none;}
@keyframes spin{to{transform:rotate(360deg);}}
.hint{margin-top:.7rem;text-align:center;font-size:.8rem;color:#8FA0BE;}

/* ---------- Secciones ---------- */
.section{padding:3.4rem 0;}
.section-head{text-align:center;max-width:620px;margin:0 auto 2rem;}
.section-head h2{font-size:clamp(1.45rem,4vw,2.1rem);}
.section-head p{color:var(--muted);margin-top:.6rem;font-size:1rem;line-height:1.55;}

.grid{display:grid;gap:1rem;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow-sm);}
.card .ic{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:1.35rem;background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(79,70,229,.14));}
.card h3{font-size:1.04rem;margin:.85rem 0 .4rem;}
.card p{color:var(--muted);font-size:.92rem;line-height:1.55;}

/* pasos */
.step .num{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  font-family:'Space Grotesk';font-weight:700;color:#fff;background:var(--grad);font-size:1.05rem;
}

/* ---------- Panel destacado (gratis / no open source / donaciones) ---------- */
.panel{
  background:
    radial-gradient(700px 300px at 90% -20%, rgba(99,102,241,.35), transparent 60%),
    linear-gradient(135deg,#111B36 0%, #1E3A8A 100%);
  color:#fff;border-radius:24px;padding:clamp(1.6rem,4vw,2.6rem);box-shadow:var(--shadow);
}
.panel h2{color:#fff;}
.panel p{color:#CBD5E1;line-height:1.6;}
.panel .lead-strong{font-size:1.05rem;color:#E2E8F0;}
.foss-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:1.6rem;align-items:start;margin-top:1.4rem;}
.foss-why{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:1.2rem 1.3rem;}
.foss-why .tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:#93C5FD;margin-bottom:.5rem;}
.foss-list{list-style:none;margin-top:1rem;display:flex;flex-direction:column;gap:.6rem;}
.foss-list li{display:flex;gap:.6rem;font-size:.92rem;color:#CBD5E1;}
.foss-list li b{color:#fff;font-weight:600;}
.check{color:#34D399;flex-shrink:0;}

.contact{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center;margin-top:1.5rem;}
.contact a{
  display:inline-flex;align-items:center;gap:.5rem;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;
  text-decoration:none;padding:.7rem 1.1rem;border-radius:12px;font-size:.95rem;font-weight:600;transition:background .15s;
}
.contact a:hover{background:rgba(255,255,255,.22);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#8FA0BE;padding:2rem 0;margin-top:auto;}
.footer-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:.85rem;}
.footer-brand{display:flex;align-items:center;gap:.55rem;color:#E2E8F0;font-weight:600;}
.footer-brand img{height:24px;width:auto;cursor:pointer;user-select:none;}
.site-footer a{color:#AEBAD4;text-decoration:none;}
.site-footer a:hover{color:#fff;text-decoration:underline;}

/* ---------- Resultado ---------- */
.result-wrap{max-width:640px;margin:2.5rem auto;padding:0 1.25rem;width:100%;}
.flash{background:var(--err-bg);border:1px solid #FECACA;color:var(--err);padding:.8rem 1rem;border-radius:10px;margin-bottom:1.25rem;font-size:.88rem;}
.rcard{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:1.25rem;box-shadow:var(--shadow-sm);}
.rcard-head{padding:1rem 1.25rem;border-bottom:1px solid var(--border);font-weight:600;color:var(--ink);}
.result-row{display:flex;align-items:flex-start;gap:.875rem;padding:.9rem 1.25rem;border-bottom:1px solid #F1F5F9;}
.result-row:last-child{border-bottom:none;}
.badge{flex-shrink:0;font-size:.72rem;font-weight:700;padding:.2rem .6rem;border-radius:999px;text-transform:uppercase;letter-spacing:.03em;margin-top:.1rem;}
.badge.ok{background:var(--ok-bg);color:var(--ok);}
.badge.firma{background:var(--warn-bg);color:var(--warn);}
.badge.error{background:var(--err-bg);color:var(--err);}
.result-info{flex:1;min-width:0;}
.result-name{font-size:.9rem;color:#1E293B;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.result-msg{font-size:.78rem;color:var(--muted);margin-top:.2rem;}
.result-msg.warn{color:#D97706;}
.result-msg.err{color:#EF4444;}
.actions-col{display:flex;flex-direction:column;gap:.75rem;}
.no-results{text-align:center;padding:2rem;color:var(--muted);font-size:.9rem;}

/* ---------- Panel admin ---------- */
.admin-main{flex:1;width:100%;}
.admin-main .container{padding-top:2rem;padding-bottom:3rem;}
.admin-title{font-size:1.5rem;margin-bottom:.25rem;}
.admin-sub{color:var(--muted);font-size:.9rem;margin-bottom:1.5rem;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.5rem;}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.1rem 1.2rem;box-shadow:var(--shadow-sm);}
.stat .k{font-size:.78rem;color:var(--muted);font-weight:600;}
.stat .v{font-family:'Space Grotesk';font-size:1.7rem;font-weight:700;color:var(--ink);margin-top:.2rem;}
.stat .v small{font-size:.85rem;color:var(--muted);font-weight:500;}

.block{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);margin-bottom:1.5rem;overflow:hidden;}
.block-head{padding:.95rem 1.2rem;border-bottom:1px solid var(--border);font-weight:600;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:.5rem;}
.block-body{padding:1rem 1.2rem;}
.table{width:100%;border-collapse:collapse;font-size:.88rem;}
.table th{text-align:left;color:var(--muted);font-weight:600;font-size:.76rem;text-transform:uppercase;letter-spacing:.03em;padding:.55rem .6rem;border-bottom:1px solid var(--border);}
.table td{padding:.6rem .6rem;border-bottom:1px solid #F1F5F9;color:var(--text);}
.table tr:last-child td{border-bottom:none;}
.muted{color:var(--muted);}
.pill{display:inline-block;font-size:.74rem;font-weight:600;padding:.15rem .55rem;border-radius:999px;background:#EEF2FF;color:#4338CA;}
.job{border:1px solid var(--border);border-radius:12px;padding:.9rem 1rem;margin-bottom:.8rem;}
.job-top{display:flex;align-items:center;justify-content:space-between;gap:.6rem;flex-wrap:wrap;font-size:.85rem;color:var(--muted);margin-bottom:.6rem;}
.file-line{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;padding:.4rem 0;border-top:1px dashed #EEF1F7;}
.file-line:first-of-type{border-top:none;}
.file-line .fn{flex:1;min-width:0;font-size:.86rem;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.btn-xs{font-size:.8rem;padding:.4rem .7rem;border-radius:9px;}
.empty{color:var(--muted);font-size:.9rem;padding:.4rem 0;}

/* ---------- Login admin ---------- */
.center-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:1.25rem;}
.login-card{background:var(--surface);border-radius:18px;padding:2.4rem;width:100%;max-width:380px;box-shadow:var(--shadow);}
.login-logo{width:64px;height:64px;background:var(--ink);border-radius:16px;display:flex;align-items:center;justify-content:center;padding:12px;margin:0 auto 1.3rem;}
.login-logo img{width:100%;height:100%;object-fit:contain;}
.login-card h1{font-size:1.35rem;text-align:center;}
.login-card .sub{text-align:center;color:var(--muted);font-size:.88rem;margin:.3rem 0 1.6rem;}
.login-card label{display:block;font-size:.85rem;font-weight:500;color:#374151;margin-bottom:.4rem;}
.login-card input{width:100%;padding:.75rem .9rem;border:1.5px solid var(--border);border-radius:10px;font-size:1rem;outline:none;transition:border-color .15s;color:var(--ink);}
.login-card input:focus{border-color:var(--primary);}
.err-line{margin-top:.6rem;color:var(--err);font-size:.82rem;}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:1fr;}
  .foss-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:560px){
  .hero-inner{padding:2.6rem 1.1rem 2.4rem;}
  .section{padding:2.6rem 0;}
  .grid-4{grid-template-columns:1fr;}
  .footer-row{flex-direction:column;text-align:center;gap:.6rem;}
  .nav .btn{padding:.6rem .85rem;font-size:.85rem;}
}