:root{
  --blue:#11aeea;
  --blue-dark:#0b77a7;
  --purple:#6f2cff;
  --ink:#162033;
  --muted:#657085;
  --line:#dfe7f1;
  --bg:#f5f8fc;
  --card:#ffffff;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}
.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#eef6ff,#ffffff)}
.login-card{width:min(460px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:0 20px 60px rgba(20,40,80,.12);text-align:center}
.login-logo{height:80px;object-fit:contain;margin-bottom:16px}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:var(--purple);margin:0 0 8px}
.login-card h1{font-size:26px;line-height:1.15;margin:0 0 10px}
.muted{color:var(--muted)}
.login-form{text-align:left;margin-top:24px}
label{display:block;font-weight:700;margin:12px 0 6px}
input,textarea{width:100%;border:1px solid #cfd9e6;border-radius:12px;padding:13px 14px;font:inherit;background:#fff}
button{font:inherit;cursor:pointer;border:0;border-radius:12px;font-weight:800}
.login-form button,.primary{width:100%;padding:14px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;margin-top:16px}
.alert.error{background:#fff2f2;color:#9b1c1c;border:1px solid #ffd2d2;border-radius:12px;padding:10px;margin-top:12px}
.topbar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-inner{max-width:1120px;margin:0 auto;padding:12px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.top-logo{height:54px;object-fit:contain}
nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
nav a{color:var(--ink);text-decoration:none;font-weight:700;font-size:14px}
.print-btn{padding:10px 14px;background:var(--ink);color:#fff}
.logout{color:var(--muted)}
.proposal{max-width:1120px;margin:0 auto;padding:28px 22px}
.section-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;margin-bottom:22px;box-shadow:0 8px 28px rgba(30,60,110,.06)}
.hero{display:grid;grid-template-columns:1fr 220px;gap:24px;align-items:center;background:linear-gradient(135deg,#ffffff 0%,#eef7ff 100%)}
h1{font-size:42px;line-height:1.05;margin:0 0 14px;letter-spacing:-1.4px}
.lead{font-size:18px;color:#475569;max-width:760px}
.hero-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;text-align:center}
.hero-box span,.hero-box small{display:block;color:var(--muted)}
.hero-box strong{display:block;font-size:32px;color:var(--blue-dark);margin:4px 0}
h2{font-size:24px;margin:0 0 16px;color:#111827}
h3{font-size:17px;margin:0 0 12px;color:var(--blue-dark)}
p{margin:0 0 12px}
ul{margin:0;padding-left:20px}
li{margin-bottom:8px}
.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:1fr 1fr}
.grid.three{grid-template-columns:repeat(3,1fr)}
article{background:#f8fbff;border:1px solid var(--line);border-radius:16px;padding:20px}
.highlight-box{margin-top:18px;border:1px solid rgba(17,174,234,.28);background:#f2f9ff;border-radius:18px;padding:22px}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.phase{border:1px solid var(--line);border-radius:16px;padding:18px;background:#f8fbff}
.phase span{display:inline-block;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-weight:800;border-radius:999px;padding:5px 10px;font-size:12px;margin-bottom:10px}
.payment-table{width:100%;border-collapse:collapse;margin-top:16px;overflow:hidden;border-radius:14px}
.payment-table th{background:var(--blue);color:#fff;text-align:left;padding:12px}
.payment-table td{border:1px solid var(--line);padding:12px;background:#fbfdff}
.payment-table td:last-child,.payment-table th:last-child{text-align:right;font-weight:800}
.total{text-align:right;margin-top:12px;font-size:18px}
.action-card{border-color:rgba(111,44,255,.22);background:linear-gradient(135deg,#fff,#f7f2ff)}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px}
.footer{max-width:1120px;margin:0 auto 40px;padding:0 22px;text-align:center;color:var(--muted)}
.footer img{height:54px;object-fit:contain}
.proposal-cover{padding:24px 28px;background:#fff}
.cover-top{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-bottom:18px;border-bottom:2px solid rgba(17,174,234,.22);margin-bottom:20px}
.cover-logo{height:74px;max-width:280px;object-fit:contain}
.cover-meta{text-align:right;color:var(--muted)}
.cover-meta strong{display:block;color:var(--purple);font-size:15px;text-transform:uppercase;letter-spacing:.08em}
.cover-meta span{display:block;color:var(--ink);font-weight:800;font-size:18px;margin-top:4px}
.cover-meta small{display:block;margin-top:2px}
.company-client-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.info-panel{background:#f8fbff;border:1px solid var(--line);border-radius:16px;padding:18px}
.info-panel h3{color:var(--purple);margin-bottom:12px;text-transform:uppercase;font-size:15px;letter-spacing:.04em}
.info-panel p{margin:6px 0;color:#27364a}
.value-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;padding:18px 20px;background:#fff}
.value-strip div{border-right:1px solid var(--line);padding:8px 12px;min-height:74px}
.value-strip div:last-child{border-right:0}
.value-strip strong{display:block;color:var(--blue-dark);font-size:16px;margin-bottom:4px}
.value-strip span{display:block;color:var(--muted);font-size:13px;line-height:1.35}
.timeline.detailed{grid-template-columns:1fr 1fr}
.timeline.detailed .phase{padding:20px}
.timeline.detailed .phase p{font-size:14px;color:#475569}
.timeline.detailed .phase ul{margin-top:10px}
.timeline.detailed .phase li{font-size:14px}
.future-box{margin-top:20px;background:linear-gradient(135deg,#f7fbff,#f3f0ff);border:1px solid rgba(111,44,255,.18);border-radius:22px;padding:28px}
.future-box h3{color:#6f2cff}
.future-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
.future-grid div{background:#fff;border:1px solid #dbeafe;border-radius:16px;padding:18px}
.future-grid strong{display:block;margin-bottom:12px;color:#0b77a7}
.action-btn{text-decoration:none;border:none;padding:14px 22px;border-radius:12px;font-weight:800;cursor:pointer;transition:.2s;display:inline-flex;align-items:center;justify-content:center;font-size:15px;line-height:1;min-height:48px;box-shadow:0 8px 18px rgba(15,23,42,.10)}
.approve{background:#16a34a;color:#fff}
.approve:hover{background:#15803d;transform:translateY(-1px)}
.adjust{background:#f59e0b;color:#fff}
.adjust:hover{background:#d97706;transform:translateY(-1px)}
.modal-ajustes,.success-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:center;justify-content:center;z-index:9999;padding:20px}
.modal-content{background:#fff;width:min(560px,100%);border-radius:18px;padding:24px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal-content h3{margin-top:0;color:var(--ink)}
.modal-content textarea{width:100%;min-height:170px;border:1px solid #d1d5db;border-radius:12px;padding:14px;resize:vertical;margin-top:12px;font-family:inherit}
.modal-buttons{display:flex;justify-content:flex-end;gap:12px;margin-top:18px}
.cancel-btn,.send-btn{border:none;padding:12px 18px;border-radius:10px;cursor:pointer;font-weight:700}
.cancel-btn{background:#e5e7eb;color:#111827}
.send-btn{background:#16a34a;color:#fff}
.success-overlay{background:rgba(10,15,30,.82);z-index:99999}
.success-box{background:#fff;width:min(760px,100%);border-radius:28px;padding:42px;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.success-box h2{font-size:34px;margin-bottom:14px;color:#16a34a}
.success-box p{font-size:16px;color:#475569;line-height:1.7}
.success-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px;text-align:left}
.success-grid div{background:#f8fbff;border:1px solid #dbeafe;border-radius:16px;padding:16px;font-weight:700}
@media(max-width:850px){
  .hero,.grid.two,.grid.three,.timeline,.company-client-grid,.value-strip,.timeline.detailed,.future-grid,.success-grid{grid-template-columns:1fr}
  h1{font-size:32px}
  .topbar-inner{align-items:flex-start;flex-direction:column}
  .proposal{padding:18px 14px}
  .section-card{padding:22px}
  nav{font-size:13px}
  .cover-top{align-items:flex-start;flex-direction:column}
  .cover-meta{text-align:left}
  .value-strip div{border-right:0;border-bottom:1px solid var(--line)}
  .value-strip div:last-child{border-bottom:0}
  .actions{flex-direction:column}
  .action-btn{width:100%}
}
@media print{
  @page{size:A4;margin:12mm}
  body{background:#fff}
  .no-print,.topbar,.modal-ajustes,.success-overlay{display:none!important}
  .proposal{max-width:none;padding:0}
  .section-card{box-shadow:none;border:1px solid #ddd;break-inside:avoid;margin-bottom:12px;padding:18px}
  .proposal-cover{display:block!important;break-inside:avoid;padding:14px;margin-bottom:10px}
  .cover-top{padding-bottom:10px;margin-bottom:12px}
  .cover-logo{height:48px;max-width:210px}
  .cover-meta strong{font-size:10px}
  .cover-meta span{font-size:12px}
  .cover-meta small{font-size:9px}
  .company-client-grid{grid-template-columns:1fr 1fr;gap:10px}
  .info-panel{padding:10px;border-radius:10px}
  .info-panel h3{font-size:10px;margin-bottom:6px}
  .info-panel p{font-size:9px;margin:2px 0}
  .value-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:0;padding:10px;margin-bottom:10px}
  .value-strip div{padding:5px 7px;min-height:45px;border-bottom:0;border-right:1px solid #ddd}
  .value-strip strong{font-size:9px}
  .value-strip span{font-size:8px}
  .hero{break-inside:avoid;padding:16px!important;grid-template-columns:1fr 120px!important;margin-bottom:10px}
  .hero .lead{font-size:11px}
  .hero-box{padding:10px;border-radius:10px}
  .hero-box strong{font-size:20px}
  h1{font-size:28px}
  h2{font-size:18px}
  h3{font-size:14px}
  body,p,li,td,th{font-size:10px}
  .timeline.detailed{grid-template-columns:1fr 1fr}
  .timeline.detailed .phase{padding:10px}
  .timeline.detailed .phase p,.timeline.detailed .phase li{font-size:8.5px;line-height:1.35}
  .timeline.detailed .phase h3{font-size:10px}
  .phase span{font-size:8px;padding:3px 6px;margin-bottom:5px}
  .grid.two,.grid.three,.future-grid{grid-template-columns:1fr 1fr}
  .footer{display:none}
}