/* Login Page */
:root {
  --verde:       #7AC943;
  --verde-dark:  #5a9e2f;
  --azul:        #1e56a0;
  --azul-dark:   #153d77;
  --azul-light:  #dce9f9;
  --cinza:       #f4f6f9;
  --text:        #1e293b;
  --text-sm:     #64748b;
  --white:       #ffffff;
  --danger:      #e74c3c;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Nunito', sans-serif;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--azul-dark) 0%, var(--azul) 50%, #2980b9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

/* Background pattern */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(122,201,67,.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,.08) 0%, transparent 50%);
  pointer-events: none;
}

/* Shapes decorativos */
.bg-shape {
  position: fixed;
  border-radius: 50%;
  background: rgba(255,255,255,.04);
  pointer-events: none;
}
.bg-shape-1 { width: 500px; height: 500px; top: -200px; right: -150px; }
.bg-shape-2 { width: 300px; height: 300px; bottom: -100px; left: -100px; }
.bg-shape-3 { width: 150px; height: 150px; top: 30%; left: 10%; }

.login-box {
  background: var(--white);
  border-radius: 20px;
  box-shadow: 0 24px 80px rgba(0,0,0,.3);
  width: 100%;
  max-width: 420px;
  overflow: hidden;
  position: relative;
  animation: loginAppear .5s cubic-bezier(.4,0,.2,1);
}

@keyframes loginAppear {
  from { opacity: 0; transform: translateY(30px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.login-header {
  background: linear-gradient(135deg, var(--azul), var(--azul-dark));
  padding: 36px 32px 28px;
  text-align: center;
  position: relative;
}
.login-header::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 24px;
  background: var(--white);
  border-radius: 24px 24px 0 0;
}

.login-logo {
  max-width: 220px;
  height: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 8px;
}

.login-body { padding: 28px 32px 36px; }

.login-title {
  font-family: 'Poppins', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.login-subtitle {
  font-size: 13px;
  color: var(--text-sm);
  margin-bottom: 24px;
}

.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 6px;
}

.input-wrap {
  position: relative;
}
.input-wrap i {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-sm);
  font-size: 15px;
}
.form-control {
  width: 100%;
  padding: 11px 14px 11px 40px;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  font-family: 'Nunito', sans-serif;
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border .2s, box-shadow .2s;
}
.form-control:focus {
  border-color: var(--azul);
  box-shadow: 0 0 0 3px rgba(30,86,160,.12);
}

.btn-login {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, var(--azul), var(--azul-dark));
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-family: 'Nunito', sans-serif;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  margin-top: 8px;
  transition: all .2s;
  box-shadow: 0 4px 16px rgba(30,86,160,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30,86,160,.4);
}
.btn-login:active { transform: translateY(0); }

.alert-error {
  background: #fde8e8;
  color: #c0392b;
  padding: 11px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-left: 3px solid var(--danger);
}

.login-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 12px;
  color: var(--text-sm);
}