/* ===== BACKGROUND ===== */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e0f7f1, #baddcf, #f8fefb);
  position: relative;
  overflow: hidden;
  font-family: 'Helvetica', Arial, sans-serif;
}

/* ===== CARD ===== */
.login-card {
  background: rgba(255, 255, 255, 0.97);
  border-radius: 28px;
  width: 100%;
  max-width: 440px;
  z-index: 10;
  box-shadow: 0 30px 60px rgba(0,0,0,0.25);
  overflow: hidden;
  animation: fadeUp 0.6s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== HEADER ===== */
.login-header {
  background: linear-gradient(90deg, #059669, #10b981);
  padding: 30px;
  text-align: center;
}

.login-header h2 {
  color: white;
  font-size: 26px;
  font-weight: 700;
  margin: 0;
}

/* ===== BODY ===== */
.login-body {
  padding: 30px;
}

.login-body p {
  font-size: 14px;
  color: #475569;
  margin-bottom: 20px;
  text-align: center;
}

/* ===== FORM ===== */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: #475569;
  display: block;
  margin-bottom: 5px;
}

.form-control {
  width: 100%;
  padding: 13px 20px;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  transition: all 0.2s;
}

.form-control:focus {
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16,185,129,0.2);
}
/* ===== WAVES ===== */
.wave-container {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 50%;
  z-index: 1;
  overflow: hidden;
}

.wave-container::before {
  content: "";
  position: absolute;
  top: -100px;
  width: 100%;
  height: 120px;
  background: linear-gradient(to top, rgba(255,255,255,0.6), transparent);
  z-index: 2;
}

.waves {
  width: 100%;
  height: 100%;
}

.parallax > use {
  animation: waveMove 18s linear infinite;
}

.parallax > use:nth-child(2) { animation-delay: -4s; }
.parallax > use:nth-child(3) { animation-delay: -8s; }
.parallax > use:nth-child(4) { animation-delay: -12s; }

@keyframes waveMove {
  from { transform: translateX(-90px); }
  to { transform: translateX(85px); }
}
/* ===== BUTTON ===== */
.btn-login {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #10b981, #059669);
  border: none;
  border-radius: 999px;
  color: white;
  font-weight: 600;
  cursor: pointer;
  margin-top: 15px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* ===== LINKS ===== */
.back-login {
  display: block;
  text-align: center;
  margin-top: 15px;
  color: #059669;
  text-decoration: none;
  font-size: 14px;
}

.back-login:hover {
  text-decoration: underline;
}