:root {
  --content-width: 600px; /* unified content width */
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --danger-color: #ef4444;
  --danger-hover: #dc2626;
  --success-color: #16a34a;

  --background-color: #f2f4f5;
  --card-background: #ffffff;
  --text-color: #1f2937;
  --muted-text: #6b7280;
  --border-color: #e5e7eb;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --border-radius: 4px;
  --box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  /* Spacing */
  --padding-lg: 30px; /* Large spacing for cards and sections */
}

body {
  background-color: var(--background-color);
  font-family: var(--font-family);
  margin: 0;
  color: var(--text-color);
}
html, body { height: 100%; }
body { display: flex; flex-direction: column; min-height: 100vh; }

/* Header & Navigation */
.header {
  background-color: var(--card-background);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--text-color);
  text-decoration: none;
}

.nav-links a {
  color: var(--muted-text);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 1rem;
  transition: color 0.2s ease;
}

.nav-links a:hover, .nav-links a[aria-current="page"] {
  color: var(--primary-color);
}

.nav-links .nav-logout-form { display: inline; margin-left: 1.5rem; }
.nav-links .nav-logout-form .button { padding: 0.5rem 1rem; }
.nav-links .nav-login-form { display: inline; margin-left: 1.5rem; }

/* Main Content & Cards */
.main-content {
  flex: 1;
  box-sizing: border-box;
  padding: 2rem;
  width: min(100%, var(--content-width));
  margin: 0 auto; /* center */
}

/* Footer */
footer {
  padding: 0 0 1rem;
  text-align: center;
}

footer a {
  margin: 0 0.5rem;
}

.card {
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--padding-lg);
  margin-bottom: 2rem;
  box-shadow: var(--box-shadow);
}

h1, h2, h3 {
  margin-top: 0;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

p {
  color: var(--muted-text);
  line-height: 1.6;
}

a {
  color: var(--primary-color);
  text-decoration: underline;
  transition: color 0.2s ease;
}

a:visited:not(.button) {
  color: var(--primary-color);
}

a:hover {
  color: var(--primary-hover);
}

/* Buttons */
.button {
  --btn-bg: var(--primary-color);
  display: inline-block;
  background-color: var(--btn-bg);
  color: var(--card-background);
  padding: 0.75rem 1.5rem;
  border: 2px outset var(--btn-bg);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, filter 0.1s ease;
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}

.button:hover { background-color: var(--primary-hover); border-color: var(--primary-hover); }

.button:active {
  border-style: inset;
  filter: brightness(0.98);
  transform: translateY(1px);
  box-shadow: 0 0 0 rgba(0,0,0,0.05);
}

.button:focus-visible {
  background-color: var(--primary-hover);
}

/* Horizontal button row utility */
.button-row { display: flex; gap: 0.5rem; align-items: center; }

.button:disabled {
  opacity: 1; /* full opacity for clear gray styling */
  cursor: not-allowed;
  pointer-events: none; /* disable hover/active effects */
  background-color: var(--border-color);
  border-color: var(--border-color);
  color: var(--muted-text);
}

/* Allow link-styled buttons to be disabled consistently */
.button[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Neutral gray variant for non-action states */
/* Remove 3D press/hover effects when disabled */
.button:disabled:hover { filter: none; }
.button:disabled:active { border-style: outset; transform: none; }

.button-danger { --btn-bg: var(--danger-color); background-color: var(--btn-bg); border-color: var(--btn-bg); }
.button-danger:hover { background-color: var(--danger-hover); border-color: var(--danger-hover); }

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  box-sizing: border-box;
}

.help-text {
  font-size: 0.875rem;
  color: var(--muted-text);
  margin-top: 0.5rem;
}

/* Connection Status */
.connection-status {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-left: 0;
  list-style: none;
}

.connection {
  /* Use a 3-column grid to align title, status, action */
  display: grid;
  grid-template-columns: 1fr auto auto;
  column-gap: 1rem;
  align-items: center;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.connection strong {
  font-size: 1.1rem;
}

/* Title cell wrapper to allow right-aligned badge without affecting grid */
.connection-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Small price badge styled as a secondary label */
.price-badge {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--muted-text);
  padding: 0.125rem 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  background: var(--card-background);
  white-space: nowrap;
}

/* Small inline status badge next to status text */
.status-badge {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--muted-text);
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  background: var(--card-background);
  margin-left: 0.5rem;
  white-space: nowrap;
}

.status-ok {
  color: var(--success-color);
  font-weight: 500;
}

.status-missing {
  color: var(--danger-color);
  font-weight: 500;
}

/* Right-align the status cell for consistent spacing */
.connection .status-ok,
.connection .status-missing,
.connection .status-pending {
  justify-self: end;
}

/* Neutral pending state for in-progress/verification */
.status-pending {
  color: var(--muted-text);
  font-weight: 500;
}

/* Inline spinner for in-progress status */
.status-progress {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.spinner {
  width: 12px;
  height: 12px;
  border: 2px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  display: inline-block;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.session-validate {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.session-validate input {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
}

/* Landing Page Specific Styles */
/* Landing page container styles remain below. */

.container {
  width: min(100%, var(--content-width)); /* align with .main-content */
  margin: 0 auto; /* center within main */
  box-sizing: border-box;
  background: var(--card-background);
  padding: var(--padding-lg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.subtitle {
  color: var(--text-color);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  text-align: left;
  margin-bottom: var(--padding-lg);
}

.feature h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.feature p {
  font-size: 0.9rem;
  margin: 0;
}

.primary-cta {
  margin-top: 2rem;
}

.primary-cta .button {
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1.1rem;
  box-sizing: border-box;
}

footer {
  text-align: center;
  font-size: 0.8rem;
  color: #888;
  margin-top: 2.5rem;
}

footer a {
  margin: 0 0.75rem;
  color: var(--muted-text);
  text-decoration: none;
}

footer a:visited {
  color: var(--muted-text);
}

footer a:hover {
  text-decoration: underline;
  color: var(--primary-color);
}

/* Messages */
.messages {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
}

.message {
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  border: 1px solid var(--border-color);
  background: var(--card-background);
}

.message-success { border-color: #10b98133; background: #10b98115; }
.message-error { border-color: #ef444433; background: #ef444415; }
.message-warning { border-color: #f59e0b33; background: #f59e0b15; }
.message-info, .message-debug { border-color: #3b82f633; background: #3b82f615; }

/* Toasts */
.toast-container {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--card-background);
  border: 1px solid var(--border-color);
  box-shadow: var(--box-shadow);
  border-radius: var(--border-radius);
  padding: 10px 12px;
  font-size: 0.95rem;
}
.toast a { text-decoration: underline; }
.toast .toast-actions { margin-top: 6px; }
.toast .toast-close {
  background: none;
  border: none;
  color: var(--muted-text);
  cursor: pointer;
  padding: 4px 6px;
}

/* Inline forms inside connection rows */
.connection form { margin: 0; }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal[hidden] { display: none; }

.modal-dialog {
  background: var(--card-background);
  padding: 20px;
  border-radius: 6px;
  width: 600px;
  max-width: 90%;
  box-shadow: var(--box-shadow);
}

.modal-actions {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1rem;
}

.tab {
  background: none;
  border: none;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--muted-text);
  border-bottom: 2px solid transparent;
}

.tab.is-active,
.tab[aria-selected="true"] {
  color: var(--text-color);
  border-color: var(--primary-color);
}

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

.tab-panel {
  margin-top: 1rem;
}

/* Inputs */
.input {
  width: 100%;
  box-sizing: border-box;
  padding: 8px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

/* Accessibility */
.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap; /* added line */
}

  *:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
  }

/* Sync Status Cards */
.sync-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sync-card {
  display: grid;
  grid-template-columns: 4fr 1fr; /* 4/1 ratio */
  column-gap: 1rem;
  align-items: start;
}

.sync-main {
  display: grid;
  row-gap: 0.75rem;
}

.post-title {
  font-weight: 600;
}

.info-grid {
  display: grid;
  grid-template-columns: 140px 1fr; /* label/value grid */
  row-gap: 0.35rem;
  column-gap: 0.75rem;
}

.info-grid .label {
  color: var(--muted-text);
}

.sync-meta {
  justify-self: end;
  text-align: right;
}

.queue-badge {
  display: inline-flex;
  min-width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  background: var(--card-background);
  font-weight: 600;
}

.queue-badge.is-active {
  background: var(--primary-color);
  color: #fff;
  border-color: transparent;
}

/* Responsive Breakpoints */
@media (max-width: 640px) {
  .features {
    grid-template-columns: 1fr;
  }
  .main-content {
    padding: 1rem;
  }
  .sync-card {
    grid-template-columns: 1fr;
  }
  .sync-meta {
    justify-self: start;
    text-align: left;
    margin-top: 0.5rem;
  }
}


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