/* CSS Variables for Login Page */
:root {
  --primary-color: #0056b3;
  --primary-light: #4d8fda;
  --primary-dark: #004085;
  --text-color: #2d3748;
  --text-light: #718096;
  --border-color: #e2e8f0;
  --border-radius: 8px;
  --danger-color: #dc3545;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: 0.3s ease;
  --transition-fast: 0.2s ease;
}

/* Power trading background */
body.login-page {
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
    url("https://images.unsplash.com/photo-1473341304170-971dccb5ac1e?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: 'Poppins', sans-serif;
  overflow: hidden;
}

body.login-page::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 86, 179, 0.2) 0%, rgba(0, 0, 0, 0) 50%),
    radial-gradient(circle at 80% 20%, rgba(77, 143, 218, 0.3), transparent 40%);
  z-index: 1;
}

.power-grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 20px 20px;
  z-index: 1;
}

.data-point {
  position: absolute;
  width: 4px;
  height: 4px;
  background-color: rgba(77, 143, 218, 0.7);
  border-radius: 50%;
  animation: pulse 3s infinite;
  z-index: 2;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.7;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.data-line {
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, rgba(77, 143, 218, 0.1), rgba(77, 143, 218, 0.7), rgba(77, 143, 218, 0.1));
  animation: move 8s infinite linear;
  z-index: 2;
}

@keyframes move {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100vw);
  }
}

/* Login Container */
.login-container {
  width: 400px;
  max-width: 90%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.9);
  padding: 30px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  z-index: 2;
}

/* .login-container:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
} */

.dark-theme .login-container {
  background-color: rgba(26, 32, 44, 0.9);
}

/* Login Header */
.login-header {
  text-align: center;
  margin-bottom: 25px;
}

.login-logo {
  height: 50px;
  margin-bottom: 15px;
  transition: filter var(--transition);
}

.dark-theme .login-logo {
  filter: brightness(1.5);
}

.login-header h2 {
  color: var(--primary-color);
  font-weight: 600;
  margin: 0;
  font-size: 20px;
}

.dark-theme .login-header h2 {
  color: var(--primary-light);
}

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

.login-form label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-color);
  font-size: 0.9rem;
}

.dark-theme .login-form label {
  color: var(--text-light);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 12px;
  color: var(--text-light);
}

.login-form input {
  width: 100%;
  padding: 12px 12px 12px 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background-color: rgba(255, 255, 255, 0.8);
}

.login-form input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
  background-color: rgba(255, 255, 255, 0.95);
}

.dark-theme .login-form input {
  background-color: rgba(45, 55, 72, 0.8);
  color: var(--text-color);
}

.dark-theme .login-form input:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(77, 143, 218, 0.2);
  background-color: rgba(45, 55, 72, 0.95);
}

/* Password Toggle */
.password-wrapper {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  padding: 0;
  font-size: 1rem;
  transition: color var(--transition-fast);
}

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

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

/* Error Message */
.error-message {
  color: var(--danger-color);
  text-align: center;
  margin-bottom: 20px;
  padding: 10px;
  background-color: rgba(220, 53, 69, 0.1);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* Submit Button */
.submit-btn {
  width: 100%;
  padding: 12px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.submit-btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

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

.dark-theme .submit-btn {
  background-color: var(--primary-color);
}

.dark-theme .submit-btn:hover {
  background-color: var(--primary-dark);
}

/* Login Footer */
.login-footer {
  text-align: center;
  margin-top: 25px;
  font-size: 0.8rem;
  color: var(--text-light);
}

/* Responsive adjustments */
@media (max-width: 480px) {
  .login-container {
    width: 90%;
    padding: 20px;
  }
}

/* Dark theme support for body */
[data-theme="dark"] body.login-page {
  background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)),
    url("https://images.unsplash.com/photo-1473341304170-971dccb5ac1e?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80");
}

[data-theme="dark"] .login-container {
  background-color: rgba(26, 32, 44, 0.9);
}

[data-theme="dark"] .login-header h2 {
  color: var(--primary-light);
}

[data-theme="dark"] .login-form label {
  color: var(--text-light);
}

[data-theme="dark"] .login-form input {
  background-color: rgba(45, 55, 72, 0.8);
  color: var(--text-color);
}

[data-theme="dark"] .login-form input:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(77, 143, 218, 0.2);
  background-color: rgba(45, 55, 72, 0.95);
}

[data-theme="dark"] .password-toggle:hover {
  color: var(--primary-light);
}

[data-theme="dark"] .submit-btn {
  background-color: var(--primary-color);
}

[data-theme="dark"] .submit-btn:hover {
  background-color: var(--primary-dark);
}