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

:root[data-bs-theme='dark'] {
  --login-bg: linear-gradient(135deg, #090d14, #161d27);
  --login-card-bg: rgba(28, 32, 38, 0.95);
  --login-border: #2a2e33;
  --login-text: #f8f9fa;
  --login-muted: #aeb4c1;
  --login-accent: #ffd666;
}

:root[data-bs-theme='light'] {
  --login-bg: linear-gradient(135deg, #f7f8fb, #dde1eb);
  --login-card-bg: rgba(255, 255, 255, 0.95);
  --login-border: #ced4da;
  --login-text: #1d1f22;
  --login-muted: #6b7280;
  --login-accent: #b8860b;
  --login-field-bg: rgba(231, 235, 243, 0.95);
  --login-field-border: rgba(15, 23, 42, 0.3);
}

.login-body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Poppins', sans-serif;
  background: var(--login-bg);
  transition: background 0.4s ease;
}

.login-shell {
  background: transparent;
  width: min(95%, 520px);
}

#themeToggleLogin {
  border-color: var(--login-border);
  color: var(--login-text);
  background-color: transparent;
  transition: background-color 0.2s ease, color 0.2s ease;
}

#themeToggleLogin:hover {
  background-color: rgba(255, 215, 0, 0.15);
  color: var(--login-accent);
}

.sign-in {
  padding: 2.5rem 2.5rem;
  border-radius: 18px;
  background-color: var(--login-card-bg);
  border: 1px solid var(--login-border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  color: var(--login-text);
  backdrop-filter: blur(10px);
  transition: transform 0.2s ease-in-out;
}

.sign-in:hover {
  transform: translateY(-2px);
}

.sign-in h1 {
  font-size: 1.8rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 1.5rem;
  color: var(--login-text);
}

.login-logo {
  text-align: center;
  margin-bottom: 1rem;
}

.login-logo img {
  width: min(220px, 70%);
  height: auto;
}

.sign-in .form-control {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: var(--login-text);
}

.sign-in .form-control:focus {
  border-color: var(--login-accent);
  box-shadow: 0 0 0 0.15rem rgba(255, 214, 102, 0.25);
  background-color: rgba(255, 255, 255, 0.08);
}

[data-bs-theme='light'] .sign-in .form-control {
  background-color: var(--login-field-bg, #f1f5ff);
  border: 2px solid var(--login-field-border, rgba(15, 23, 42, 0.35));
  color: #0f172a;
}

[data-bs-theme='light'] .sign-in .form-control:focus {
  background-color: var(--login-field-bg, #f1f5ff);
  border-color: var(--login-accent);
  box-shadow: 0 0 0 0.15rem rgba(184, 134, 11, 0.25);
  color: #0f172a;
}

.form-floating > label {
  color: var(--login-muted);
}

.form-floating .form-control:focus ~ label,
.form-floating .form-control:not(:placeholder-shown) ~ label {
  color: var(--login-accent);
}

.form-check-label {
  color: var(--login-muted);
}

[data-bs-theme='light'] .sign-in .form-check-input {
  border: 2px solid rgba(15, 23, 42, 0.4);
  background-color: rgba(231, 235, 243, 0.9);
}

[data-bs-theme='light'] .form-check-label {
  color: #0f172a;
}

.sign-in .form-floating .bi {
  color: var(--login-muted);
}

.sign-in .form-floating .bi:hover {
  color: var(--login-accent);
}

.btn-login {
  display: inline-block;
  width: 100%;
  border: 1px solid var(--login-accent);
  color: var(--login-accent);
  background-color: transparent;
  border-radius: 8px;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  transition: background-color 0.15s ease-in-out, color 0.15s ease-in-out;
}

.btn-login:hover,
.btn-login:focus {
  background-color: var(--login-accent);
  color: #000;
  text-decoration: none;
}

.btn-login:disabled {
  border-color: #6c757d;
  color: #6c757d;
  background-color: transparent;
}

.alert-signin {
  background-color: #dc3545;
  color: white;
  border: none;
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
}

@media (max-width: 576px) {
  .sign-in {
    padding: 2rem 1.5rem;
  }
  .sign-in h1 {
    font-size: 1.5rem;
  }
}