/* Login and Registration Styles */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, royalblue 0%, rebeccapurple 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

/* Login Container */
.login-container {
  background: white;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-width: 400px;
  width: 100%;
  overflow: hidden;
}

.login-header {
  background: linear-gradient(135deg, royalblue 0%, rebeccapurple 100%);
  color: white;
  padding: 30px;
  text-align: center;
}

.login-header h1 {
  font-size: 1.8em;
  margin-bottom: 10px;
}

.login-content {
  padding: 40px;
}

/* Form Styles */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: darkgray;
  font-size: 0.95em;
}

.form-group input {
  width: 100%;
  padding: 12px;
  border: 2px solid gainsboro;
  border-radius: 10px;
  font-size: 1em;
  transition: border-color 0.3s ease;
}

.form-group input:focus {
  outline: none;
  border-color: royalblue;
}

/* Button Group */
.button-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
}

.form-btn {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 10px;
  font-size: 1em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Login Button - Green */
.login-btn {
  background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
  color: white;
}

.login-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(40, 167, 69, 0.4);
}

/* Register Button - Blue */
.register-btn {
  background: linear-gradient(135deg, royalblue 0%, rebeccapurple 100%);
  color: white;
}

.register-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(65, 105, 225, 0.4);
}

/* Guest Button - Gray */
.guest-btn {
  background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
  color: white;
}

.guest-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(108, 117, 125, 0.4);
}

/* Messages */
.message {
  padding: 12px;
  border-radius: 10px;
  margin-bottom: 20px;
  display: none;
}

.message.show {
  display: block;
}

.message.success {
  background: honeydew;
  color: forestgreen;
  border: 1px solid palegreen;
}

.message.error {
  background: mistyrose;
  color: crimson;
  border: 1px solid lightpink;
}

/* Tab Content */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}