html {
  margin: 0;
  padding: 0;
  background-color: var(--bg-primary);
  height: 100%;
  transition: color 0.3s;
  overflow-x: hidden;
}
body {
  font-family: var(--font-primary);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100%;
  transition: color 0.3s;
  overflow-x: hidden;
}
.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  width: 100%;
  box-sizing: border-box;
}
main {
  width: 100%;
  background-color: var(--bg-primary);
}
h1,
h2,
h3,
h4,
h5,
h6,
.footer-title,
.logo {
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}
h1 {
  font-size: var(--font-size-xl);
}

h2 {
  font-size: var(--font-size-lg);
}
.logo {
  font-size: 1.6rem;
  font-weight: var(--font-weight-regular);
  letter-spacing: var(--letter-spacing-xs);
  color: var(--text-primary);
}
.logo-link {
  text-decoration: none;
}
header {
  background-color: var(--bg-primary);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-color);
  width: 100%;
  transition: background-color var(--duration-normal) ease-in-out;
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}
.nav a, .nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  padding: var(--space-2) var(--space-2);
  border-radius: var(--border-radius-md);
  transition: color var(--duration-fast) ease-in-out, background-color var(--duration-fast) ease-in-out;
  position: relative;
}
.auth-link {
  text-decoration: none;
}
.nav a:hover, .nav-link:hover {
  color: var(--accent-primary);
}

.nav-link.active {
  color: var(--accent-primary);
  font-weight: var(--font-weight-bold);
}
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  cursor: pointer;
  margin-left: var(--space-4);
  transition: background-color 0.2s ease-in-out,
    border-color 0.2s ease-in-out;
}
.theme-toggle:hover {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
}
.theme-icon {
  width: 20px;
  height: 20px;
  color: var(--text-primary);
}
footer {
  background-color: var(--bg-card);
  color: var(--text-secondary);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-2xl);
  border-top: 1px solid var(--border-color);
  width: 100%;
}
.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}
.footer-column {
  flex: 1;
  min-width: 250px;
}
.footer-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-links a {
  color: var(--text-secondary);
  opacity: 0.9;
  text-decoration: none;
  transition: color 0.2s ease-in-out, opacity 0.2s ease-in-out;
}
.footer-links a:hover {
  color: var(--accent-primary);
  opacity: 1;
}
.copyright {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  opacity: 0.8;
  font-size: var(--font-size-sm);
}
.btn {
  display: inline-block;
  background-color: var(--accent-primary);
  color: var(--text-on-accent);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius-md);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  font-family: var(--font-primary);
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease-in-out, transform 0.1s ease-in-out;
}
.btn:hover {
  filter: brightness(110%);
}
.btn:active {
  transform: scale(0.98);
}
.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--bg-tertiary);
}
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-4);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  background-color: var(--bg-card);
  color: var(--text-primary);
  transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  box-sizing: border-box;
  min-width: 0;
}
.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.alert {
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--border-radius-sm);
  width: 100%;
  box-sizing: border-box;
}
.alert-success {
  color: var(--feedback-success);
  background-color: var(--feedback-success-subtle);
  border-color: var(--feedback-success);
}
.alert-info {
  color: var(--text-accent);
  background-color: var(--accent-subtle);
  border-color: var(--accent-light);
}
.alert-warning {
  color: var(--feedback-warning);
  background-color: var(--feedback-warning-subtle);
  border-color: var(--feedback-warning);
}
.alert-error {
  color: var(--feedback-error);
  background-color: var(--feedback-error-subtle);
  border-color: var(--feedback-error);
}
@media (max-width: 768px) {
  .brand {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
  .nav {
    flex-wrap: wrap;
  }
  .footer-content {
    flex-direction: column;
  }
  .form-input {
    padding-left: var(--spacing-xs);
    padding-right: var(--spacing-xs);
  }
}
/* --- User Profile --- */
.user-profile-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.user-name {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s ease-in-out; /* Add a nice transition */
}
/* --- User Dropdown --- */
.dropdown-toggle {
    color: var(--text-secondary);
    font-weight: 500;
}

.dropdown-toggle::after {
    display: none; /* Hide default caret */
}

.dropdown-menu {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    margin-top: 0.5rem !important;
}

.dropdown-item {
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
}

.dropdown-item:hover, .dropdown-item:focus {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.dropdown-divider {
    border-top: 1px solid var(--border-color);
}
/* --- Subscription Tier Indicator (Badge Style) --- */
.tier-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 16px;
    vertical-align: middle;
    border: 1px solid transparent;
}

.tier-indicator .user-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary); /* Consistent text color */
}

.tier-indicator .tier-icon {
    width: 18px;
    height: 18px;
    stroke: var(--text-primary); /* Consistent icon color */
}

/* Observer Tier */
.tier-indicator--observer {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

/* Analyst Tier */
.tier-indicator--analyst {
    background-color: #E0F2FE; /* Light Blue */
    border-color: #BAE6FD;
}

[data-theme="dark"] .tier-indicator--analyst {
    background-color: #1E3A8A; /* Dark Blue */
    border-color: #3B82F6;
}

/* Pro Tier */
.tier-indicator--pro {
    background-color: #EAE6FF;
    border-color: #C0B6F2;
}

[data-theme="dark"] .tier-indicator--pro {
    background-color: #2A214D;
    border-color: #5D3EBE;
}