:root{
  --primary:#0f2f4f;--primary-2:#173d63;--accent:#18a06f;--accent-2:#0e8a5c;--bg:#f4f7fb;--card:#ffffff;--text:#101828;--muted:#667085;--line:#d9e2ef;--danger:#b42318;--warn:#b54708;--ok:#027a48;
  --shadow:0 18px 55px rgba(16,47,79,.12);--radius:22px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at top left,#eef7ff 0,#f6f8fc 38%,#f3f6fb 100%);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text)}
a{color:inherit}.top{min-height:82px;background:linear-gradient(135deg,var(--primary),#102a45);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 7%;box-shadow:0 12px 34px rgba(16,47,79,.22);position:sticky;top:0;z-index:10}.brand{font-size:25px;font-weight:900;text-decoration:none;letter-spacing:-.03em;display:flex;align-items:center;gap:10px}.brand:before{content:'✓';width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.12);display:grid;place-items:center;color:#90f0c8;border:1px solid rgba(255,255,255,.2)}.navlinks{display:flex;align-items:center;gap:10px}.navlinks a{color:#eaf2fb;text-decoration:none;font-weight:750;padding:11px 14px;border-radius:12px}.navlinks a:hover{background:rgba(255,255,255,.12);color:#fff}.wrap{max-width:1200px;margin:0 auto;padding:42px 20px;min-height:calc(100vh - 165px)}footer{text-align:center;color:var(--muted);padding:28px 16px}.hero{display:grid;grid-template-columns:1.4fr .55fr;gap:28px;align-items:center;background:linear-gradient(145deg,#fff,#f9fcff);border:1px solid #e4ebf5;border-radius:32px;padding:58px;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero:after{content:'';position:absolute;right:-120px;top:-120px;width:330px;height:330px;background:rgba(24,160,111,.1);border-radius:50%}.hero h1{font-size:48px;line-height:1.02;margin:0 0 18px;letter-spacing:-.04em}.hero p{font-size:19px;line-height:1.65;color:#42526a;max-width:720px}.seal{position:relative;z-index:1;width:235px;height:235px;border-radius:36px;border:2px solid #dce7f3;background:#fff;display:grid;place-items:center;font-size:54px;font-weight:950;color:var(--primary);text-align:center;box-shadow:0 18px 45px rgba(16,47,79,.12)}.seal small{display:block;font-size:15px;color:var(--muted);font-weight:800}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:20px;margin:24px 0}.card,.formcard{background:rgba(255,255,255,.96);border:1px solid #e1e8f2;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}.formcard{max-width:560px;margin:42px auto}.formcard h1,.card h1,h1{letter-spacing:-.035em}.formcard h1{margin-top:0;font-size:32px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff!important;border:0;border-radius:14px;padding:13px 20px;text-decoration:none;font-weight:900;cursor:pointer;box-shadow:0 10px 20px rgba(24,160,111,.22);min-height:46px}.btn:hover{filter:brightness(.98);transform:translateY(-1px)}.btn.secondary{background:linear-gradient(135deg,var(--primary),var(--primary-2));box-shadow:0 10px 20px rgba(16,47,79,.18)}.btn.ghost{background:#fff;color:var(--primary)!important;border:1px solid var(--line);box-shadow:none}.btn.small{padding:8px 12px;border-radius:10px;font-size:13px;min-height:auto}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0}label{display:block;margin:16px 0 8px;font-weight:750;color:#26354a}input,select,textarea{width:100%;min-height:50px;border:1px solid #cbd7e7;border-radius:14px;padding:0 15px;font-size:16px;background:#fff;color:var(--text);outline:none;transition:.15s}textarea{padding:14px;min-height:110px}input:focus,select:focus,textarea:focus{border-color:#7bb9ff;box-shadow:0 0 0 4px rgba(59,130,246,.12)}.inline-form{display:grid;grid-template-columns:1fr 1fr auto;gap:14px;align-items:end}.alert{max-width:980px;margin:0 auto 24px;padding:16px 18px;border-radius:15px;font-weight:650}.alert.ok{background:#ecfdf3;border:1px solid #9ce9bb;color:var(--ok)}.alert.err{background:#fff2f0;border:1px solid #ffb4ab;color:var(--danger)}.alert.warn{background:#fffaeb;border:1px solid #fedf89;color:var(--warn)}table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #e1e8f2}th,td{text-align:left;border-bottom:1px solid #e5eaf2;padding:14px 15px;vertical-align:middle}tr:last-child td{border-bottom:0}th{background:#eef4fb;color:#233a55;font-size:14px;text-transform:uppercase;letter-spacing:.03em}.stat{background:#fff;border-radius:20px;padding:26px;box-shadow:var(--shadow);border:1px solid #e1e8f2}.stat b{font-size:42px;display:block;color:var(--primary);letter-spacing:-.05em}.stat span{color:var(--muted);font-weight:750}.verify{display:flex;gap:26px;align-items:center}.search{display:flex;gap:10px;margin-bottom:18px}.search input{max-width:460px}.muted{color:var(--muted)}code{word-break:break-all;background:#f1f5f9;padding:2px 5px;border-radius:6px}.login-split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}.login-panel{background:linear-gradient(135deg,var(--primary),#0b2239);color:#fff;border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}.login-panel h2{font-size:32px;margin:0 0 12px}.login-panel p{color:#d8e6f4;line-height:1.65}.badge{display:inline-block;padding:7px 10px;border-radius:999px;background:#eaf7f0;color:var(--ok);font-weight:900;font-size:13px}.top-note{margin-bottom:20px}.admin-login .formcard{margin:0}.admin-login{max-width:1020px;margin:42px auto}.field-row{display:grid;grid-template-columns:1fr;gap:6px}.danger-note{font-size:13px;color:var(--muted);margin-top:12px}.module-list{display:grid;gap:10px}.module-list a{display:flex;justify-content:space-between;align-items:center;background:#f8fbff;border:1px solid #e1e8f2;border-radius:14px;padding:14px;text-decoration:none;font-weight:800;color:var(--primary)}.module-list a:hover{background:#eef7ff}@media(max-width:820px){.top{padding:0 16px;align-items:flex-start;gap:10px;flex-direction:column;justify-content:center}.navlinks{flex-wrap:wrap}.navlinks a{padding:7px 8px}.hero{grid-template-columns:1fr;padding:30px}.hero h1{font-size:35px}.seal{width:170px;height:170px}.verify{flex-direction:column;align-items:flex-start}.search{display:block}.search button{margin-top:10px}.inline-form,.login-split{grid-template-columns:1fr}.wrap{padding:28px 14px}table{display:block;overflow-x:auto}.formcard{margin:24px auto}}

.page-head{margin:35px 0 22px}.page-head h1{font-size:42px;margin:8px 0}.page-head p{color:#607086;max-width:820px}.badge{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:#eaf7ef;color:#2b6b42;font-weight:800;font-size:13px}.hero.mini{background:#fff;border:1px solid #e4eaf2;border-radius:22px;padding:42px;box-shadow:0 24px 70px rgba(30,49,75,.10);margin-top:35px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.notice{background:#f6faf7;border:1px solid #d8efdf;border-radius:14px;padding:16px;margin:18px 0;display:inline-block}.grid.two{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.form-card label{display:block;margin:15px 0;font-weight:700}.form-card select,.form-card input{width:100%;margin-top:8px}.btn.big{font-size:17px;padding:15px 22px}.btn.ghost{background:#eef3f8;color:#1d3550}.signature-preview{min-height:280px}.stamp{border:1px dashed #b9c5d6;border-radius:16px;padding:18px;display:flex;gap:16px;align-items:center;background:#fbfcff}.fakeqr{width:96px;height:96px;border:8px solid #111;display:flex;align-items:center;justify-content:center;font-weight:900;background:#fff;color:#111}.stamp small,.stamp span{display:block;color:#66758a;margin:4px 0}.stamp strong,.stamp b{display:block;color:#102033}.top .navlinks{gap:24px}.top .navlinks a{text-decoration:none;color:#fff;font-weight:800;opacity:.95}.top .brand{text-decoration:none;color:#fff;font-weight:900}.top{box-shadow:0 8px 24px rgba(15,35,58,.12)}@media(max-width:850px){.grid.two{grid-template-columns:1fr}.page-head h1{font-size:32px}.hero.mini{padding:25px}}
/* Firma exacta v4 */
.sign-head{max-width:1100px;margin-left:auto;margin-right:auto}.sign-workspace{display:grid;grid-template-columns:340px minmax(0,1fr);gap:22px;align-items:start;max-width:1280px;margin:0 auto}.sign-sidebar{position:sticky;top:105px}.sign-sidebar h2{margin-top:0;font-size:25px}.mini-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}.mini-grid input{min-height:44px}.coord-box{background:#f5f9ff;border:1px solid #dce8f6;border-radius:16px;padding:14px;margin:16px 0;display:grid;gap:7px;color:#334155}.coord-box b{color:#102a45}.position-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:14px 0 18px}.btn.full{width:100%}.tiny{font-size:13px;line-height:1.5}.pdf-stage{overflow:auto;min-height:720px}.stage-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid #e5edf7}.stage-toolbar .hint{margin-left:auto;color:#667085;font-weight:700;font-size:14px}.pdf-canvas-wrap{position:relative;margin:auto;background:#eef2f7;border:1px solid #cfd9e8;border-radius:10px;box-shadow:0 20px 45px rgba(15,47,79,.15);overflow:hidden}.pdf-canvas-wrap canvas{display:block;background:#fff}.draggable-stamp{position:absolute;left:40px;top:40px;width:270px;height:108px;background:rgba(255,255,255,.95);border:2px solid #16a36f;border-radius:10px;box-shadow:0 10px 24px rgba(16,47,79,.18);display:flex;gap:10px;align-items:center;padding:10px;cursor:move;user-select:none}.draggable-stamp:after{content:'Arrastrar';position:absolute;right:8px;top:-25px;background:#16a36f;color:#fff;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:900}.stamp-qr{width:70px;height:70px;min-width:70px;border:6px solid #111;background:#fff;color:#111;display:grid;place-items:center;font-weight:950;font-size:13px}.stamp-text{font-size:11px;line-height:1.12;overflow:hidden}.stamp-text small,.stamp-text span{display:block;color:#475569}.stamp-text strong,.stamp-text b{display:block;color:#0f172a;font-weight:950;word-break:break-word}.pdf-error{padding:40px;color:#b42318;font-weight:800;text-align:center}.empty-state{max-width:700px;margin:30px auto;text-align:center}@media(max-width:1000px){.sign-workspace{grid-template-columns:1fr}.sign-sidebar{position:relative;top:auto}.pdf-stage{min-height:auto}.stage-toolbar .hint{width:100%;margin-left:0}.pdf-canvas-wrap{transform-origin:top left;max-width:100%;overflow:hidden}.mini-grid,.position-actions{grid-template-columns:1fr 1fr}}@media(max-width:600px){.mini-grid,.position-actions{grid-template-columns:1fr}.draggable-stamp{width:230px;height:96px}.stamp-qr{width:58px;height:58px;min-width:58px}.stamp-text{font-size:10px}}