:root {
  --primary-color: #FFD700;
  --primary-dark: #FFC000;
  --white: #ffffff;
  --secondary-color: #2c2c2c;
  --light-color: #f5f5f5;
  --dark-color: #111;
  --success-color: #28a745;
  --error-color: #dc3545;
  --input-bg: #f9f9f9;
  --transition: all 0.3s ease-in-out;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  background-color: var(--secondary-color);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--secondary-color);
  display: flex;
  flex-direction: column;
}

.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  width: 100%;
  padding: 20px;
  background: var(--secondary-color);
}

.login-box {
  background: var(--white);
  padding: 40px 30px;
  border-radius: 16px;
  width: 100%;
  max-width: 450px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  transition: var(--transition);
}

.login-header {
  text-align: center;
  margin-bottom: 30px;
}

.login-header h1 {
  font-size: 1.8rem;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.login-header i {
  color: var(--primary-dark);
  margin-right: 10px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
}

.input-with-toggle {
  position: relative;
}

.input-with-toggle input {
  width: 100%;
  padding: 12px 40px 12px 15px;
  border-radius: 8px;
  border: 1px solid #ccc;
  background-color: var(--input-bg);
  transition: var(--transition);
}

.input-with-toggle input:focus {
  border-color: var(--primary-dark);
  background-color: #fff;
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 200, 0, 0.2);
}

.toggle-password {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--primary-dark);
  font-size: 1rem;
}

.toggle-password:hover {
  color: var(--primary-color);
}

.form-text {
  font-size: 0.9rem;
  color: #666;
  margin-top: 5px;
  display: block;
}

.btn-submit {
  background-color: var(--primary-color);
  color: var(--dark-color);
  padding: 12px 20px;
  width: 100%;
  font-size: 1rem;
  font-weight: bold;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
  margin-top: 10px;
}

.btn-submit:hover {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-submit:active {
  transform: translateY(0);
}

.alert {
  padding: 12px;
  margin-bottom: 20px;
  border-radius: 8px;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-success {
  background-color: #e6f4ea;
  color: var(--success-color);
}

.alert-error {
  background-color: #f8e6e6;
  color: var(--error-color);
}

.login-footer {
  margin-top: 20px;
  text-align: center;
  font-size: 0.9rem;
}

.login-footer a {
  color: var(--secondary-color);
  text-decoration: underline;
  transition: var(--transition);
}

.login-footer a:hover {
  color: var(--primary-dark);
}

.api-doc-link {
  color: var(--secondary-color);
  text-decoration: underline dotted;
  font-weight: 500;
  transition: color 0.3s ease;
}

.api-doc-link:hover {
  color: var(--primary-dark);
  text-decoration-style: solid;
}

@media (max-width: 480px) {
  .login-box {
      padding: 30px 20px;
  }
  
  .login-header h1 {
      font-size: 1.5rem;
  }
  
  .btn-submit {
      padding: 10px 15px;
  }
}


/* API Help Message Styles */
.api-help-message {
  display: none;
  opacity: 0;
  position: relative;
  background: #fff8e1;
  color: #5d4037;
  padding: 15px;
  border-radius: 8px;
  margin: 10px 0;
  border: 1px solid #ffd54f;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  transition: opacity 0.3s ease;
}

.api-help-message strong {
  display: block;
  margin-bottom: 10px;
  color: #e65100;
}

.api-help-message ol {
  padding-left: 20px;
}

.api-help-message ol li {
  margin-bottom: 5px;
}

.close-flash {
  position: absolute;
  top: 5px;
  right: 5px;
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: #999;
  padding: 0 5px;
  line-height: 1;
}

.close-flash:hover {
  color: #333;
}