:root {
  /* Tether brand color system */
  --tether-bg: #000000;
  --tether-s1: #0d0d0d;
  --tether-s2: #111111;
  --tether-s3: #1a1a1a;
  --tether-accent: #F5A623;
  --tether-accent-hover: #e69a1e;
  --tether-accent-dim: rgba(245, 166, 35, 0.15);
  --tether-accent-rgb: 245, 166, 35;
  --tether-text: #E8E8E8;
  --tether-text-muted: rgba(255, 255, 255, 0.6);
  --tether-text-dim: rgba(255, 255, 255, 0.35);
  --tether-border: rgba(255, 255, 255, 0.08);
  --tether-syne: 'Syne', sans-serif;
  --tether-mono: 'Azeret Mono', monospace;

  /* Bootstrap overrides mapped to Tether brand */
  --bs-primary: #F5A623;
  --bs-primary-rgb: 245, 166, 35;
  --bs-primary-hover: #e69a1e;
  --bs-body-bg: #000000;
  --bs-body-color: #E8E8E8;
  --bs-body-bg-rgb: 0, 0, 0;
  --bs-body-color-rgb: 232, 232, 232;
  --bs-dark: #111111;
  --bs-secondary: rgba(255, 255, 255, 0.6);
  --bs-border-color: rgba(255, 255, 255, 0.08);
  --bs-success: #10b981;
  --bs-warning: #f59e0b;
  --bs-danger: #ef4444;
  --bs-info: #06b6d4;

  /* Typography */
  --bs-font-sans: var(--tether-syne);
  --bs-font-mono: var(--tether-mono);

  /* Spacing */
  --bs-spacer: 1rem;
  --bs-border-radius: 0.5rem;
  --bs-transition: 0.2s ease-in-out;
}

/* Form and input styling */
.input-group {
  display: flex;
  position: relative;
}

.input-group .form-control {
  height: 42px;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Fix for token input field */
.input-group .code-block.form-control {
  font-family: var(--tether-mono);
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
}

/* Fix icon button alignment */
.input-group .btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 0.75rem;
}

/* Make icons consistent size */
.input-group .btn .bi {
  font-size: 1.1rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 1.1rem;
  width: 1.1rem;
}

/* Ensure consistent button styling */
.btn-outline-secondary {
  border-color: var(--tether-border);
  color: var(--tether-text-muted);
}

.btn-outline-secondary:hover {
  background-color: var(--tether-accent-dim);
  border-color: var(--tether-accent);
  color: var(--tether-accent);
}

/* Base styles */
body {
  background: var(--tether-bg);
  min-height: 100vh;
  margin: 0;
  padding: 0;
  color: var(--tether-text);
  font-family: var(--tether-mono);
  line-height: 1.6;
  letter-spacing: 0.02em;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--tether-syne);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--tether-text);
}

/* Navbar - frosted glass */
nav.navbar {
  position: relative;
  z-index: 2;
  background: rgba(0, 0, 0, 0.85) !important;
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  border-bottom: 1px solid var(--tether-border);
  box-shadow: none;
}

nav.navbar .navbar-brand {
  font-family: var(--tether-syne);
  font-weight: 800;
  letter-spacing: -0.025em;
}

nav.navbar .nav-link {
  font-family: var(--tether-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

nav.navbar .nav-link:hover {
  color: var(--tether-accent) !important;
}

/* Component: Card */
.card, .list-group-item {
  background-color: var(--tether-s2);
  border: 1px solid var(--tether-border);
  color: var(--tether-text);
  border-radius: var(--bs-border-radius);
  overflow: hidden;
}

.card-header {
  border-bottom: 1px solid var(--tether-border);
  background-color: var(--tether-s1);
  padding: calc(var(--bs-spacer) * 0.75) var(--bs-spacer);
}

/* Component: Badge */
.badge, .badge-pill {
  font-weight: 500;
  border-radius: 50rem;
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-family: var(--tether-mono);
  font-size: 0.8rem;
}

.badge.bg-primary {
  background-color: var(--tether-accent-dim) !important;
  color: var(--tether-accent) !important;
  border: 1px solid rgba(245, 166, 35, 0.25);
}

/* Component: Avatar */
.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--tether-accent-dim);
  border: 2px solid var(--tether-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--tether-accent);
  flex-shrink: 0;
  font-family: var(--tether-syne);
}

/* Component: Tabs */
.nav-tabs {
  border-bottom-color: var(--tether-border);
  display: flex;
  margin-bottom: var(--bs-spacer);
}

.nav-tabs .nav-link {
  color: var(--tether-text-muted);
  border: none;
  padding: 0.5rem 1rem;
  margin-right: 0.5rem;
  font-family: var(--tether-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--bs-transition);
}

.nav-tabs .nav-link:hover {
  color: var(--tether-text);
  border-color: transparent;
  isolation: isolate;
}

.nav-tabs .nav-link.active {
  color: var(--tether-accent);
  background-color: transparent;
  border-bottom: 2px solid var(--tether-accent);
}

/* Component: Code blocks */
.pre-scrollable {
  max-height: 340px;
  overflow-y: auto;
}

.code-block {
  background-color: var(--tether-s3);
  border: 1px solid var(--tether-border);
  border-radius: 0.25rem;
  padding: 1rem;
  font-family: var(--tether-mono);
  font-size: 0.875rem;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--tether-text);
  margin-bottom: var(--bs-spacer);
}

/* Utilities */
.text-muted {
  color: var(--tether-text-muted) !important;
}

/* Profile data boxes */
.bg-dark.rounded {
  background-color: var(--tether-s3) !important;
  border: 1px solid var(--tether-border);
}

/* Status indicators */
.status-indicator {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 0.5rem;
}
.status-valid { background-color: var(--bs-success); }
.status-warning { background-color: var(--bs-warning); }
.status-expired { background-color: var(--bs-danger); }

/* Component: Accordion */
.accordion-button:not(.collapsed) {
  background-color: var(--tether-accent-dim);
  color: var(--tether-accent);
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.25rem rgba(var(--tether-accent-rgb), 0.25);
  outline: none;
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E8E8E8'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  transition: transform var(--bs-transition);
}

.accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23F5A623'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  transform: rotate(-180deg);
}

/* Links styling */
a {
  color: var(--tether-accent);
  text-decoration: none;
  transition: color var(--bs-transition);
}

a:hover {
  color: var(--tether-accent-hover);
  text-decoration: underline;
}

.footer a {
  color: var(--tether-accent);
}

.footer a:hover {
  color: var(--tether-accent-hover);
}

/* Primary button */
.btn-primary {
  background-color: var(--tether-accent);
  border-color: var(--tether-accent);
  color: #000;
  font-family: var(--tether-mono);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.btn-primary:hover {
  background-color: var(--tether-accent-hover);
  border-color: var(--tether-accent-hover);
  color: #000;
}

/* Outline light button */
.btn-outline-light {
  border-color: var(--tether-border);
  color: var(--tether-text-muted);
  font-family: var(--tether-mono);
}

.btn-outline-light:hover {
  background-color: var(--tether-accent-dim);
  border-color: var(--tether-accent);
  color: var(--tether-accent);
}

/* Login page styles */
.login-container {
  background: var(--tether-s2);
  border: 1px solid var(--tether-border);
  border-radius: var(--bs-border-radius);
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.6);
  padding: 2rem 2.5rem;
  max-width: 750px;
  margin: 3rem auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.logo img {
  max-width: 250px;
  margin-bottom: 1.5rem;
  height: auto;
}

.info-text {
  color: var(--tether-text-muted);
  margin-bottom: 1.75rem;
  line-height: 1.5;
  font-size: 1.1rem;
}

.footer {
  margin-top: 2rem;
  color: var(--tether-text-dim);
  font-size: 0.85rem;
  font-family: var(--tether-mono);
  letter-spacing: 0.04em;
}

.login-heading {
  font-family: var(--tether-syne);
  font-weight: 800;
  color: var(--tether-text);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

/* Login button */
.login-button {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--tether-accent);
  color: #000;
  font-family: var(--tether-mono);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  padding: 10px 28px;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.login-button:hover {
  background: var(--tether-accent-hover);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(245, 166, 35, 0.25);
  text-decoration: none;
}

.login-button img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  padding: 4px;
  background: rgba(0, 0, 0, 0.15);
}

/* Login description */
.login-description {
  color: var(--tether-text-muted);
  font-family: var(--tether-mono);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* Login subtext */
.login-subtext {
  margin-top: 8px;
  color: var(--tether-text-dim);
  font-size: 0.75rem;
  font-style: italic;
  font-family: var(--tether-mono);
  letter-spacing: 0.04em;
}

/* Section labels */
.text-secondary.text-uppercase {
  color: var(--tether-text-dim) !important;
  font-family: var(--tether-mono);
  font-size: 0.7rem !important;
  letter-spacing: 0.1em;
}

/* Card title icons */
.card-header h5 .bi,
.card-header h6 .bi {
  color: var(--tether-accent);
}

/* Media queries for better responsiveness */
@media (max-width: 576px) {
  .login-container {
    margin: 1.5rem auto;
    padding: 1.5rem;
    width: 90%;
  }

  .logo img {
    max-width: 200px;
  }

  .login-heading {
    font-size: 1.25rem;
  }

  .info-text {
    font-size: 1rem;
  }
}

/* Focus states for accessibility */
:focus {
  outline: 2px solid rgba(var(--tether-accent-rgb), 0.5);
  outline-offset: 2px;
}

.login-button:focus {
  box-shadow: 0 0 0 3px rgba(var(--tether-accent-rgb), 0.3);
}