:root {
  --primary-color: #02c7ba;
  --primary-dark: #006666;
  --text-dark: #111111;
  --text-medium: #666;
  --text-light: #004d4d;
  --background-light: #f8fffe;
  --background-info: #e8f4f8;
  --background-error: #ffe6e6;
  --border-primary: #008080;
  --border-error: #ff4444;
  --error-text: #cc0000;
  --disabled-color: #292929;
  --white: #ffffff;
  --shadow-primary: rgba(0, 0, 0, 0.2);
  --background-black: rgba(19, 23, 30, 1);
  --background-secondary: #181818;

  /* Spacing and sizing */
  --border-radius-xs: 2px;
  --border-radius: 8px;
  --border-radius-large: 12px;
  --border-grey: #292929;
  --spacing-xs: 8px;
  --spacing-sm: 10px;
  --spacing-md: 15px;
  --spacing-lg: 20px;
  --spacing-xl: 30px;
  --spacing-xxl: 40px;

  /* Typography */
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 28px;
  --font-size-xxl: 32px;

  /* Animation timing */
  --transition-fast: 0.3s ease;
  --transition-smooth: 0.6s ease-in-out;
}

/* Base styles */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-stack);
  margin: 0;
  padding: 0;
  background-image: linear-gradient(
      71.64deg,
      rgba(17, 17, 17, 0.75) 60.4%,
      rgba(51, 157, 255, 0.465) 362.18%
    ),
    url("./background-image.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.or-logo {
  margin: auto;
  display: block;
  height: 34px;
  margin-bottom: 24px;
}

.or-logo-loading {
  height: 40px;
  width: 40px;
}

.login-container,
.mode-selection-container {
  background: var(--background-black);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  text-align: center;
  margin-inline: auto;
  word-wrap: break-word;
}

/* Main login container */
.login-container {
  border: 1px solid var(--border-grey);
  max-width: 400px;
  box-shadow: 0 var(--spacing-lg) var(--spacing-xxl) var(--shadow-primary);
  color: var(--white);
}

h1 {
  color: var(--white) !important;
}

/* Mode selection container */
.mode-selection-container {
  box-shadow: 0 var(--spacing-lg) var(--spacing-xxl) var(--shadow-primary);
  max-width: 342px;
}

.mode-cards-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-block: 18px;
}

/* Mode card styling */
.mode-card {
  border: 1px solid var(--border-grey);
  border-radius: var(--border-radius);
  padding: 24px 16px;
  background-color: var(--background-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  color: var(--white);
}

.mode-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 var(--spacing-sm) var(--spacing-lg) rgba(0, 128, 128, 0.1);
  cursor: pointer;
}

.mode-card.selected {
  border-color: var(--primary-color);
}

.mode-card:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Mode card content */
.mode-title {
  font-size: var(--font-size-xxl);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.mode-description {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
}

/* Responsive design */
@media (max-width: 480px) {
  .login-container,
  .mode-selection-container {
    width: 95%;
    padding: var(--spacing-xl);
  }

  .logo {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }

  h1 {
    font-size: 24px;
  }

  .login-button {
    padding: var(--spacing-base) var(--spacing-lg);
    font-size: var(--font-size-md);
  }

  .mode-card {
    padding: var(--spacing-lg);
  }

  .navigation-buttons {
    flex-direction: column;
  }
}

/* Navigation buttons */
.navigation-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
}

/* Typography */
h1 {
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.heading {
  font-weight: bold;
  font-size: var(--font-size-xxl);
  margin-bottom: var(--spacing-xl);
  color: var(--white);
}

.subtitle {
  color: var(--white);
  font-size: var(--font-size-base);
}

.caption-text {
  font-weight: 400px;
  color: var(--white);
  font-size: var(--font-size-sm);
}

.subheading-container {
  width: 90%;
  margin-inline: auto;
}

/* Button styling */
.login-button {
  border: none;
  background: var(--primary-color);
  color: var(--text-dark);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-xs);
  cursor: pointer;
  font-size: var(--font-size-base);
  width: 100%;
  transition: background-color var(--transition-fast);
  margin: var(--spacing-lg) 0;
  box-shadow: 0px 1px 1px 0px #00000014;
}

.login-button:hover {
  background: var(--primary-dark);
  color: var(--white);
  cursor: pointer;
}

.login-button:disabled {
  background: var(--primary-dark);
  cursor: not-allowed;
}

.login-button:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.secondary-button {
  all: unset;
  color: var(--primary-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-xs);
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.secondary-button:hover {
  color: var(--white);
  cursor: pointer;
}

.secondary-button:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.navigation-button {
  width: fit-content;
}

/* ----------------------- Status and message styling ----------------------- */
.error-message {
  padding: var(--spacing-sm);
  margin: var(--spacing-lg) 0;
  border-radius: 4px;
  background-color: var(--border-grey);
  color: var(--white);
  font-size: var(--font-size-md);
  display: none;
}

.loading {
  overflow: hidden;
  position: relative;
  border-radius: var(--border-radius);
  background-color: var(--background-secondary);
  border: 1px solid var(--border-primary);
  display: none;
  font-size: var(--font-size-base);
  color: var(--white);
  margin: var(--spacing-sm) 0;
  padding: var(--spacing-sm) 0;
}

/* Spinner animation */
.spinner {
  width: 100%;
  height: 40px;
  display: none;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* ------------------------- Dynamic status messages ------------------------ */
.status-messages-wrapper {
  height: 60px;
  overflow: hidden;
  margin: var(--spacing-lg) 0;
  position: relative;
  border-radius: var(--border-radius);
  background-color: var(--background-secondary);
  color: var(--white);
  border: 1px solid var(--border-primary);
  display: none;
}

.status-messages {
  position: relative;
  transition: transform var(--transition-smooth);
}

.status-message-item {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  background-color: var(--background-secondary);
  color: var(--white);
  text-align: center;
  font-weight: 500;
  min-height: 44px;
  line-height: 1.3;
  opacity: 1;
  transition: opacity var(--transition-smooth);
  word-wrap: break-word;
  display: flex;
  align-items: center;
  justify-content: center;
}

.status-message-item.current {
  background-color: var(--background-secondary);
  opacity: 1;
}

.storage-selection {
  margin-bottom: var(--spacing-md);
}

.storage-dropdown {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  background-color: var(--white);
}

.storage-dropdown:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* Responsive design */
@media (max-width: 480px) {
  .login-container,
  .mode-selection-container,
  .instance-selection-container {
    width: 95%;
    padding: var(--spacing-xl);
  }

  .logo {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }

  h1 {
    font-size: 24px;
  }

  .login-button {
    font-size: var(--font-size-md);
  }

  .mode-card {
    padding: var(--spacing-lg);
  }

  .instance-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .navigation-buttons {
    flex-direction: column;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --shadow-primary: rgba(0, 0, 0, 0.5);
  }

  .login-container {
    border: 2px solid var(--text-dark);
  }

  .login-button {
    border: 2px solid var(--primary-dark);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .spinner {
    animation: none;
    border: 3px solid var(--primary-color);
  }
}