/* =============================
   RESET E TIPOGRAFIA
============================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
}

body {
  background: #f3f4f6;
  color: #111827;
  line-height: 1.6;
}

/* =============================
   HEADER
============================= */
.portal-header {
  text-align: center;
  padding: 50px 20px;
  background: linear-gradient(90deg, #1e3a8a, #2563eb);
  color: #fff;
  border-radius: 12px;
  margin-bottom: 40px;
  position: relative;
}

.portal-header h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.portal-header p {
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.portal-header .btn {
  padding: 12px 25px;
  background: #fff;
  color: #1e3a8a;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: background .3s ease, color .3s ease;
}

.portal-header .btn:hover {
  background: #1e3a8a;
  color: #fff;
}

/* =============================
   LOGIN
============================= */
.login-section {
  max-width: 400px;
  margin: 0 auto 40px auto;
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,.08);
  text-align: center;
}

.login-section h2 {
  margin-bottom: 20px;
  color: #1e3a8a;
}

.login-section input {
  width: 80%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 1rem;
}

.login-section .btn {
  padding: 12px 25px;
  background: #1e3a8a;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: background .3s ease;
}

.login-section .btn:hover {
  background: #2563eb;
}

/* =============================
   DASHBOARD
============================= */
.dashboard {
  max-width: 1200px;
  margin: 0 auto 50px auto;
  padding: 0 20px;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.card {
  background: #fff;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,.08);
  transition: transform .2s ease, box-shadow .2s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0,0,0,.12);
}

.card h3 {
  color: #1e3a8a;
  margin-bottom: 15px;
}

/* =============================
   MODAL
============================= */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  width: 95%;
  max-width: 500px;
  position: relative;
  animation: zoom .3s ease;
  text-align: left;
}

@keyframes zoom {
  from { transform: scale(.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-content h2 {
  margin-bottom: 20px;
  color: #1e3a8a;
  font-size: 1.5rem;
  text-align: center;
}

.modal-content ul {
  list-style: disc;
  margin-left: 20px;
  margin-bottom: 20px;
}

.modal-content p.obs {
  font-size: 0.9rem;
  color: #6b7280;
  text-align: center;
}

.modal-content a.btn {
  display: block;
  text-align: center;
  margin: 0 auto;
  width: fit-content;
}

/* =============================
   FOOTER
============================= */
footer {
  text-align: center;
  padding: 30px 10px;
  color: #6b7280;
  font-size: 0.9rem;
}