:root {
  --primary: #123f4d;
  --primary-dark: #092c38;
  --primary-deep: #061f29;
  --turquoise: #14b8b0;
  --turquoise-dark: #078d88;
  --turquoise-light: #dff8f5;
  --mint: #8ee4dc;
  --mint-soft: #effcfb;
  --white: #ffffff;
  --cream: #f8fcfb;
  --text: #29454e;
  --text-light: #647980;
  --muted: #8ca0a6;
  --border: #d8ecea;
  --danger: #dc5c6c;
  --shadow: 0 18px 45px rgba(18, 63, 77, 0.12);
  --shadow-hover: 0 24px 55px rgba(18, 63, 77, 0.18);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(
      circle at 8% 18%,
      rgba(20, 184, 176, 0.1) 0 110px,
      transparent 111px
    ),
    radial-gradient(
      circle at 92% 82%,
      rgba(142, 228, 220, 0.16) 0 150px,
      transparent 151px
    ),
    radial-gradient(
      circle at 78% 12%,
      rgba(20, 184, 176, 0.05) 0 55px,
      transparent 56px
    ),
    var(--cream);
}

.login-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 45px 15px;
}

.login-section::before,
.login-section::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.login-section::before {
  width: 180px;
  height: 180px;
  top: 8%;
  left: -70px;
  background: rgba(20, 184, 176, 0.07);
}

.login-section::after {
  width: 110px;
  height: 110px;
  right: 5%;
  bottom: 8%;
  background: rgba(142, 228, 220, 0.15);
}

.login-section .container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

.login-card {
  position: relative;
  overflow: hidden;
  width: 100%;
  box-sizing: border-box;
  padding: 42px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 34px;
  box-shadow: var(--shadow);
}

.login-card::before {
  content: "";
  position: absolute;
  width: 130px;
  height: 130px;
  top: -70px;
  right: -50px;
  border-radius: 50%;
  background: rgba(20, 184, 176, 0.08);
  pointer-events: none;
}

.login-card::after {
  content: "";
  position: absolute;
  width: 65px;
  height: 65px;
  bottom: 25px;
  left: -35px;
  border-radius: 50%;
  background: rgba(142, 228, 220, 0.1);
  pointer-events: none;
}

.login-logo {
  position: relative;
  z-index: 1;
  display: block;
  width: 110px;
  height: auto;
  margin: 0 auto 22px;
  object-fit: contain;
}

.login-card h2 {
  position: relative;
  z-index: 1;
  margin: 0 0 10px;
  color: var(--primary-dark);
  font-size: 30px;
  line-height: 1.2;
  font-weight: 800;
  text-align: center;
  letter-spacing: -0.5px;
}

.login-card p {
  position: relative;
  z-index: 1;
  margin-bottom: 25px;
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}

.login-card .form-label {
  position: relative;
  z-index: 1;
  margin-bottom: 8px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 800;
}

.login-card .form-control {
  position: relative;
  z-index: 1;
  min-height: 48px;
  padding: 10px 15px;
  color: var(--text);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  font-size: 14px;
  box-shadow: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.login-card .form-control::placeholder {
  color: var(--muted);
}

.login-card .form-control:hover {
  border-color: rgba(20, 184, 176, 0.35);
}

.login-card .form-control:focus {
  color: var(--text);
  background: var(--white);
  border-color: var(--turquoise);
  box-shadow: 0 0 0 4px rgba(20, 184, 176, 0.12);
  outline: none;
}

.login-card .form-check {
  position: relative;
  z-index: 1;
  margin-top: 18px;
}

.login-card .form-check-input {
  border-color: var(--border);
  border-radius: 6px;
  cursor: pointer;
}

.login-card .form-check-input:checked {
  background-color: var(--turquoise);
  border-color: var(--turquoise);
}

.login-card .form-check-input:focus {
  border-color: var(--turquoise);
  box-shadow: 0 0 0 3px rgba(20, 184, 176, 0.12);
}

.login-card .form-check-label {
  color: var(--text-light);
  font-size: 13px;
  cursor: pointer;
}

.login-card .btn-primary {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 50px;
  margin-top: 8px;
  padding: 12px 20px;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border: none;
  border-radius: 16px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.2px;
  box-shadow: 0 10px 22px rgba(18, 63, 77, 0.18);
  transition:
    background 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.login-card .btn-primary:hover {
  color: var(--white);
  background: linear-gradient(135deg, var(--turquoise-dark), var(--turquoise));
  border: none;
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(20, 184, 176, 0.22);
}

.login-card .btn-primary:active {
  transform: translateY(0);
}

.login-card a {
  position: relative;
  z-index: 1;
  color: var(--turquoise-dark);
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s ease;
}

.login-card a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.login-card .alert {
  position: relative;
  z-index: 1;
  margin-bottom: 20px;
  padding: 12px 15px;
  border-radius: 16px;
  border-width: 1px;
  font-size: 13px;
  line-height: 1.5;
}

.login-card .alert-danger {
  color: #9d3d4d;
  background: #fff2f4;
  border-color: #f2cbd1;
}

.login-card .alert-success {
  color: #14756f;
  background: var(--mint-soft);
  border-color: var(--border);
}

@media (max-width: 576px) {
  .login-section {
    padding: 25px 15px;
  }

  .login-card {
    padding: 32px 22px;
    border-radius: 28px;
  }

  .login-logo {
    width: 90px;
    margin-bottom: 18px;
  }

  .login-card h2 {
    font-size: 26px;
  }

  .login-card p {
    font-size: 13px;
    margin-bottom: 22px;
  }

  .login-card .form-control {
    min-height: 46px;
    border-radius: 14px;
  }

  .login-card .btn-primary {
    min-height: 48px;
    border-radius: 14px;
  }
}

@media (max-width: 380px) {
  .login-section {
    padding: 20px 12px;
  }

  .login-card {
    padding: 28px 18px;
    border-radius: 24px;
  }

  .login-card h2 {
    font-size: 24px;
  }
}