:root{
  --bg-1: #ffffff;
  --bg-2: #f7f8fb;
  --card-bg: #ffffff;
  --card-border: #e0e4ec;
  --text-main: #101828;
  --text-muted: #64748b;
  --accent-green: #d9a812;
  --accent-green-dark: #b8890a;
  --accent-gold: #d9a812;
  --danger: #ef4444;
  --input-bg: #f7f8fb;
}

*{ box-sizing: border-box; margin:0; padding:0; }

body{
  min-height: 100vh;
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at 15% 20%, rgba(245,197,24,0.08), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(31,54,112,0.35), transparent 45%),
    linear-gradient(160deg, var(--bg-2) 0%, var(--bg-1) 60%, #ffffff 100%);
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 24px;
  position: relative;
  overflow:hidden;
}

body::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    repeating-linear-gradient(115deg, rgba(16,24,40,0.02) 0px, rgba(16,24,40,0.02) 1px, transparent 1px, transparent 60px);
  pointer-events:none;
}

.wrap{
  position:relative;
  z-index:1;
  width:100%;
  max-width: 420px;
}

.brand{
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom: 24px;
}

.brand-logo{
  max-width: 260px;
  width: 100%;
  height: auto;
}

.card{
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 10px 30px rgba(16,24,40,0.10);
}

.card-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 12px;
}

.card h1{
  color: var(--text-main);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  flex: 1;
}

.selo{
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  object-fit: contain;
}

.card p.sub{
  color: var(--text-muted);
  font-size: 13px;
  margin: 10px 0 26px;
}

.field{
  margin-bottom: 18px;
}

.field label{
  display:block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight:600;
}

.field .input-row{
  position:relative;
}

.field input{
  width:100%;
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text-main);
  font-size: 14px;
  outline:none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.field input::placeholder{ color: #94a3b8; }

.field input:focus{
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(245,197,24,0.15);
}

.toggle-pw{
  position:absolute;
  right:12px;
  top:50%;
  transform: translateY(-50%);
  background:none;
  border:none;
  color: var(--text-muted);
  font-size: 12px;
  cursor:pointer;
  font-weight:600;
}
.toggle-pw:hover{ color: var(--text-main); }

.row-between{
  display:flex;
  align-items:center;
  margin-bottom: 22px;
  font-size: 12.5px;
}

.remember{
  display:flex;
  align-items:center;
  gap:6px;
  color: var(--text-muted);
}

.remember input{ accent-color: var(--accent-green); }

.btn-login{
  width:100%;
  padding: 13px;
  border:none;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--accent-green-dark), var(--accent-green));
  color:#0a1630;
  font-size: 14.5px;
  font-weight: 800;
  letter-spacing: 0.3px;
  cursor:pointer;
  transition: filter .15s ease, transform .05s ease;
}
.btn-login:hover{ filter: brightness(1.08); }
.btn-login:active{ transform: translateY(1px); }

.error-msg{
  display:none;
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.4);
  color: #b91c1c;
  font-size: 12.5px;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 18px;
}
.error-msg.show{ display:block; }

.footer-note{
  text-align:center;
  color: #94a3b8;
  font-size: 11px;
  margin-top: 22px;
}

.footer-credito{
  text-align:center;
  color: #c3cad6;
  font-size: 10px;
  margin-top: 6px;
}

@media (prefers-reduced-motion: no-preference){
  .card{ animation: rise .35s ease; }
}
@keyframes rise{
  from{ opacity:0; transform: translateY(8px); }
  to{ opacity:1; transform: translateY(0); }
}

@media (max-width: 480px){
  body{ padding: 16px; align-items: flex-start; padding-top: 48px; }
  .card{ padding: 28px 22px; }
  .brand-logo{ max-width: 200px; }
  .card h1{ font-size: 17px; }
  .selo{ width: 44px; height: 44px; }
}