html {
  font-size: 14px;
}

body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #f4f7fb 0%, #eef3f9 100%);
  color: #172033;
}

.app-shell {
  background: #ffffffcc;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #d7dfeb;
}

.brand-kicker {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #5b6b82;
}

.brand-title {
  font-size: 1.4rem;
  font-weight: 700;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: #172033;
  color: #fff;
  font-weight: 600;
}

.hero-card,
.upload-card,
.table-card,
.empty-card,
.login-card {
  background: #fff;
  border: 1px solid #d7dfeb;
  border-radius: 22px;
  box-shadow: 0 18px 50px -35px rgba(23, 32, 51, 0.35);
}

.hero-card {
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.eyebrow {
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: #6a7688;
}

.hero-card h1,
.login-card h1 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.hero-copy {
  margin: 0.7rem 0 0;
  max-width: 60ch;
  color: #536277;
}

.hero-meta {
  display: grid;
  gap: 0.55rem;
  align-content: start;
  color: #2d3a4f;
  font-weight: 600;
}

.upload-card {
  padding: 1.25rem;
}

.upload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.kpi-card {
  border-radius: 20px;
  padding: 1.15rem;
  border: 1px solid #d7dfeb;
  background: #fff;
}

.kpi-card span,
.kpi-card small {
  display: block;
}

.kpi-card span {
  color: #5f6f84;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.kpi-card strong {
  font-size: 2rem;
  line-height: 1;
}

.kpi-card small {
  margin-top: 0.45rem;
  color: #6f7d92;
}

.kpi-card.neutral { background: linear-gradient(135deg, #ffffff 0%, #eef2f7 100%); }
.kpi-card.info { background: linear-gradient(135deg, #ffffff 0%, #e9f3ff 100%); }
.kpi-card.danger { background: linear-gradient(135deg, #ffffff 0%, #fdeeee 100%); }
.kpi-card.success { background: linear-gradient(135deg, #ffffff 0%, #ebfaef 100%); }
.kpi-card.warning { background: linear-gradient(135deg, #ffffff 0%, #fff5dc 100%); }
.kpi-card.primary { background: linear-gradient(135deg, #ffffff 0%, #edf0ff 100%); }

.table-card {
  padding: 1rem;
}

.table-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
  align-items: start;
}

.table-header h2 {
  font-size: 1.05rem;
  margin: 0;
}

.table-header p {
  margin: 0.25rem 0 0;
  color: #6a7688;
}

.dashboard-table thead th {
  white-space: nowrap;
  color: #4e5d73;
  font-size: 0.82rem;
}

.dashboard-table tbody td {
  vertical-align: middle;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}

.status-pill.nuevo { background: #fde9e9; color: #a63030; }
.status-pill.resuelto { background: #e8f7ea; color: #237a3a; }
.status-pill.cambiado { background: #fff3db; color: #9b6b07; }
.status-pill.sin-cambios { background: #ebefff; color: #3f4fad; }

.empty-card {
  padding: 2rem;
  text-align: center;
}

.login-shell {
  min-height: calc(100vh - 2rem);
  display: grid;
  place-items: center;
}

.login-card {
  width: min(100%, 430px);
  padding: 2rem;
}

.login-card-plain {
  box-shadow: 0 24px 60px -40px rgba(23, 32, 51, 0.45);
}

.login-form {
  display: flex;
  flex-direction: column;
}

.login-icon-btn {
  align-self: flex-end;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 999px;
  background: #172033;
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease, background 0.15s ease;
}

.login-icon-btn:hover {
  background: #0f172a;
  transform: translateX(2px);
}

.login-icon-btn:focus-visible {
  outline: 3px solid #93c5fd;
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .hero-card {
    padding: 1.1rem;
  }

  .upload-card,
  .table-card,
  .empty-card,
  .login-card {
    border-radius: 18px;
  }
}