/* ============================================================
   login.css — Estilos de la página Login
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

* { box-sizing: border-box; }

body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #ec4899 100%);
  position: relative;
  overflow: hidden;
}

/* ── Burbujas decorativas ──────────────────────────────── */
.bubble {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.2;
  animation: pulse 4s ease-in-out infinite;
  pointer-events: none;
}

.bubble-1 {
  width: 280px;
  height: 280px;
  background: #facc15;
  top: 5%;
  left: 5%;
  animation-delay: 0s;
}

.bubble-2 {
  width: 300px;
  height: 300px;
  background: #f472b6;
  bottom: 5%;
  right: 5%;
  animation-delay: 0.75s;
}

.bubble-3 {
  width: 200px;
  height: 200px;
  background: #34d399;
  bottom: 20%;
  left: 15%;
  animation-delay: 1.5s;
}

@keyframes pulse {
  0%, 100% { transform: scale(1);    opacity: 0.2; }
  50%       { transform: scale(1.1); opacity: 0.28; }
}

/* ── Tarjeta glass ─────────────────────────────────────── */
.glass-card {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 1.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 10;
}

/* ── Logo y títulos ────────────────────────────────────── */
.login-logo {
  display: block;
  width: 180px;
  margin: 0 auto 1rem;
  border-radius: 8px;
}

.login-title {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: #1f2937;
  margin: 0 0 0.25rem;
}

.login-subtitle {
  text-align: center;
  font-size: 0.875rem;
  color: #6b7280;
  margin: 0 0 2rem;
}

/* ── Form ──────────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 0.45rem;
}

.form-label svg { width: 16px; height: 16px; flex-shrink: 0; }

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid #e5e7eb;
  border-radius: 0.75rem;
  font-size: 0.9rem;
  font-family: inherit;
  color: #1f2937;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: #7c3aed;
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
}

.form-control::placeholder { color: #9ca3af; }

/* ── Botón submit ──────────────────────────────────────── */
.btn-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #7c3aed, #db2777);
  color: #fff;
  border: none;
  padding: 0.9rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
  margin-top: 0.5rem;
}

.btn-submit:hover {
  opacity: 0.93;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(124, 58, 237, 0.4);
}

.btn-submit:active { transform: scale(0.98); }

.btn-submit svg { width: 18px; height: 18px; }

.btn-submit.loading { opacity: 0.7; pointer-events: none; }

/* ── Error ─────────────────────────────────────────────── */
.error-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  background: #fff1f2;
  border-left: 4px solid #ef4444;
  border-radius: 0.5rem;
  color: #b91c1c;
  font-size: 0.875rem;
  font-weight: 500;
}

.error-box svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ── Footer ────────────────────────────────────────────── */
.login-footer {
  text-align: center;
  font-size: 0.78rem;
  color: #9ca3af;
  margin-top: 1.5rem;
  margin-bottom: 0;
}

/* ── RESPONSIVO ────────────────────────────────────────── */
@media (max-width: 480px) {
  .glass-card { padding: 1.75rem 1.5rem; }
  .login-title { font-size: 1.2rem; }
  .bubble-1, .bubble-2, .bubble-3 { width: 150px; height: 150px; }
}

.hidden { display: none !important; }