:root {
  --px-dark: #071013;
  --px-dark-2: #0c181c;
  --px-lime: #b7e31b;
  --px-lime-2: #9cc716;
  --px-white: #ffffff;
  --px-muted: #64748b;
}

* { box-sizing: border-box; }

body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.fw-black { font-weight: 900; }

.login-page {
  background:
    linear-gradient(90deg, rgba(7,16,19,.96), rgba(7,16,19,.68)),
    url('https://images.unsplash.com/photo-1626224583764-f87db24ac4ea?auto=format&fit=crop&w=1600&q=80') center/cover;
}

.app-bg {
  background: #f4f6f7;
  color: #111827;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand small {
  display: block;
  color: var(--px-lime);
  letter-spacing: .35em;
  text-transform: uppercase;
  font-size: .7rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--px-lime);
  color: #071013;
  border-radius: 14px;
  padding: .55rem .75rem;
  font-weight: 950;
  letter-spacing: -.05em;
}

.brand-mark.small {
  width: 42px;
  height: 36px;
  padding: 0;
}

.feature-pill {
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.08);
  padding: .8rem 1rem;
  border-radius: 999px;
  font-weight: 800;
}

.app-card {
  border: 0;
  border-radius: 28px;
  box-shadow: 0 14px 40px rgba(15, 23, 42, .10);
}

.btn-lime {
  background: var(--px-lime);
  border-color: var(--px-lime);
  color: var(--px-dark);
  font-weight: 900;
  border-radius: 14px;
  padding: .75rem 1.15rem;
}

.btn-lime:hover {
  background: var(--px-lime-2);
  border-color: var(--px-lime-2);
  color: var(--px-dark);
}

.form-control {
  border-radius: 14px;
  border: 1px solid #d8dee5;
}

.form-control:focus {
  border-color: var(--px-lime);
  box-shadow: 0 0 0 .25rem rgba(183, 227, 27, .2);
}

.hero-panel {
  background:
    radial-gradient(circle at 90% 10%, rgba(183,227,27,.25), transparent 30%),
    linear-gradient(135deg, var(--px-dark), var(--px-dark-2));
  border-radius: 32px;
  color: white;
  padding: 2.2rem;
}

.eyebrow {
  color: var(--px-lime);
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: .5rem;
}

.eyebrow.dark {
  color: #7ca000;
}

.metric-card {
  background: #fff;
  border-radius: 24px;
  padding: 1.4rem;
  box-shadow: 0 10px 30px rgba(15,23,42,.07);
}

.metric-card span {
  display: block;
  color: var(--px-muted);
  font-weight: 700;
}

.metric-card strong {
  display: block;
  font-size: 2.1rem;
  font-weight: 950;
}

.search-box {
  max-width: 520px;
}

.budget-card {
  transition: transform .2s ease, box-shadow .2s ease;
}

.budget-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 45px rgba(15, 23, 42, .13);
}

.status-badge {
  display: inline-flex;
  padding: .42rem .75rem;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 900;
}

.status-firmado {
  background: #dcfce7;
  color: #15803d;
}

.status-pendiente-de-firma {
  background: #ecfccb;
  color: #4d7c0f;
}

.status-en-revisión,
.status-en-revision {
  background: #fef3c7;
  color: #b45309;
}

.budget-amount {
  font-size: 2rem;
  font-weight: 950;
}

.registry-box {
  background: #f8fafc;
  border-radius: 22px;
  padding: 1.2rem;
  height: 100%;
}

.timeline-item {
  position: relative;
  padding-left: 1.5rem;
  margin: .9rem 0;
  font-weight: 700;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .45rem;
  width: .65rem;
  height: .65rem;
  background: var(--px-lime);
  border-radius: 999px;
}

.signed-box {
  background: #ecfccb;
  border: 1px solid #bef264;
  color: #365314;
  border-radius: 18px;
  padding: 1rem;
  font-weight: 800;
}

.signature-input {
  font-size: 1.5rem;
  font-family: Georgia, serif;
}