/* Keep general styles */
:root {
  --viewport-height: 100vh;
  --sidepanel-width: 280px;
  --sidepanel-collapsed-width: 52px;
  --sidepanel-min: 220px;
  --sidepanel-max: 520px;

  /* Theme tokens (light defaults). */
  --app-bg: #f9f9f9;
  --text: #1f1f1f;
  --muted: #666;
  --panel-bg: linear-gradient(180deg, #ffffff 0%, #f6f7f9 100%);
  --panel-border: rgba(0, 0, 0, 0.08);
  --panel-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
  --card-bg: rgba(255, 255, 255, 0.7);
  --card-border: rgba(0, 0, 0, 0.08);
  --accent: #0b5fff;
}

@supports (height: 100dvh) {
  :root {
    --viewport-height: 100dvh;
  }
}

html[data-theme="dark"] {
  color-scheme: dark;
  --app-bg: #0f1216;
  --text: #f1f3f6;
  --muted: rgba(241, 243, 246, 0.72);
  --panel-bg: linear-gradient(180deg, #131821 0%, #0f1216 100%);
  --panel-border: rgba(255, 255, 255, 0.12);
  --panel-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  --card-bg: rgba(25, 31, 40, 0.72);
  --card-border: rgba(255, 255, 255, 0.12);
  --accent: #4ea1ff;
}

body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background-color: var(--app-bg);
  min-height: var(--viewport-height);
  color: var(--text);
}

body.mobile-sidepanel-open,
body.modal-open {
  overflow: hidden;
}

.app-shell {
  width: 100%;
  min-height: var(--viewport-height);
}

.mobile-sidepanel-toggle,
.sidepanel-backdrop {
  display: none;
}

.sidepanel {
  position: fixed;
  left: 0;
  top: 0;
  height: var(--viewport-height);
  width: var(--sidepanel-width);
  background: var(--panel-bg);
  border-right: 1px solid var(--panel-border);
  box-shadow: var(--panel-shadow);
  z-index: 10;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

/* Mobile behavior: hide by default and slide in/out. */
@media (max-width: 760px) {
  .mobile-sidepanel-toggle {
    display: inline-flex;
    position: fixed;
    left: 10px;
    top: 12px;
    z-index: 30;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    padding: 8px 10px;
    border-radius: 8px;
  }

  .sidepanel-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 20;
  }

  .sidepanel {
    transform: translateX(-100%);
    transition: transform 240ms cubic-bezier(.2,.9,.2,1);
    will-change: transform;
    z-index: 30;
    box-shadow: 0 18px 40px rgba(0,0,0,0.6);
    pointer-events: auto;
  }

  /* When not collapsed on mobile, slide into view. */
  .sidepanel:not(.collapsed) {
    transform: translateX(0);
  }

  body.mobile-sidepanel-open .sidepanel-backdrop {
    display: block;
  }
}

.sidepanel-top {
  padding: 10px 10px 6px 10px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
}

.sidepanel-toggle {
  appearance: none;
  border: 1px solid rgba(0, 90, 200, 0.35);
  border-radius: 8px;
  background: #0b5fff;
  color: #fff;
  padding: 6px 10px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
}

.sidepanel-toggle:hover {
  background: #0a55e6;
}

.theme-toggle {
  appearance: none;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--text);
  padding: 6px 10px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
}

html[data-theme="dark"] .theme-toggle {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(25, 31, 40, 0.9);
}

.theme-toggle:hover {
  border-color: rgba(0, 0, 0, 0.25);
}

html[data-theme="dark"] .theme-toggle:hover {
  border-color: rgba(255, 255, 255, 0.28);
}

.sidepanel-body {
  padding: 8px 10px 12px 10px;
  overflow: auto;
  flex: 1;
}

.playback-mode-switcher {
  display: flex;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 6px;
  gap: 2px;
}

.mode-toggle-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 800;
  color: #64748b;
  border-radius: 9px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.mode-toggle-btn:hover:not(.active) {
  background: rgba(0, 0, 0, 0.03);
  color: #334155;
}

.mode-toggle-btn.active {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

#toNormalModeBtn.active {
  background: #0b5fff !important;
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(11, 95, 255, 0.45) !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
}

#toEditingModeBtn.active {
  background: #8b5cf6 !important; /* Vibrant Purple */
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(139, 92, 246, 0.45) !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
}

html[data-theme="dark"] .playback-mode-switcher {
  background: rgba(255, 255, 255, 0.08);
}

html[data-theme="dark"] .mode-toggle-btn {
  color: #c7d2fe; /* Light indigo */
}

html[data-theme="dark"] #toNormalModeBtn.active {
  background: #0b5fff !important;
  box-shadow: 0 4px 18px rgba(11, 95, 255, 0.5) !important;
}

html[data-theme="dark"] #toEditingModeBtn.active {
  background: #a78bfa !important;
  box-shadow: 0 4px 18px rgba(167, 139, 250, 0.5) !important;
}

.sidepanel-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 10px;
}

.sidepanel-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.auth-status {
  font-size: 12px;
  color: color-mix(in srgb, var(--text) 70%, transparent);
  margin-bottom: 10px;
  word-break: break-word;
}

.account-profile-card {
  margin-bottom: 10px;
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--card-border));
  border-radius: 12px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent 58%),
    color-mix(in srgb, var(--card-bg) 88%, white 12%);
}

.account-profile-name {
  font-size: 13px;
  font-weight: 800;
  color: var(--text);
}

.account-profile-handle,
.account-profile-email {
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
  word-break: break-word;
}

.account-profile-state {
  margin-top: 8px;
  font-size: 11px;
  line-height: 1.4;
  color: color-mix(in srgb, var(--text) 76%, transparent);
}

.account-profile-actions {
  margin-top: 10px;
}

.account-profile-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

.account-profile-link:hover {
  text-decoration: underline;
}

body.shared-readonly-mode .auth-status {
  color: #0b5fff;
  font-weight: 700;
}

body.shared-readonly-mode button:disabled,
body.shared-readonly-mode input:disabled,
body.shared-readonly-mode select:disabled,
body.shared-readonly-mode textarea:disabled {
  opacity: 0.62;
  cursor: not-allowed;
}

.auth-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.auth-form {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.auth-tab {
  appearance: none;
  border: 1px solid rgba(0, 0, 0, 0.15);
  background: #fff;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
}

.auth-tab-active {
  border-color: rgba(11, 95, 255, 0.55);
  background: rgba(11, 95, 255, 0.08);
  color: #0b5fff;
  font-weight: 700;
}

.auth-label {
  display: block;
  font-size: 12px;
  color: #333;
  margin: 8px 0 4px 0;
}

.auth-input {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12px;
  outline: none;
}

.auth-input:focus {
  border-color: rgba(11, 95, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(11, 95, 255, 0.12);
}

.auth-primary {
  margin-top: 10px;
  width: 100%;
  appearance: none;
  border: 1px solid rgba(0, 90, 200, 0.35);
  background: #0b5fff;
  color: #fff;
  border-radius: 10px;
  padding: 9px 10px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.auth-primary:hover {
  background: #0a55e6;
}

.auth-error {
  margin-top: 10px;
  font-size: 12px;
  color: #b00020;
  background: rgba(176, 0, 32, 0.06);
  border: 1px solid rgba(176, 0, 32, 0.18);
  border-radius: 10px;
  padding: 8px 10px;
  line-height: 1.35;
}

.sidepanel-hint {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

.settings-block {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.settings-label {
  font-size: 12px;
  font-weight: 700;
  color: rgba(0, 0, 0, 0.72);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.settings-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.settings-row-wrap {
  flex-wrap: wrap;
}

.settings-inline {
  font-size: 12px;
  color: rgba(0, 0, 0, 0.72);
  flex: 1 1 auto;
  min-width: 140px;
}

.settings-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(0, 0, 0, 0.72);
  user-select: none;
}

.settings-range {
  flex: 1 1 auto;
  min-width: 110px;
}

.settings-number {
  width: 74px;
  padding: 6px 8px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 8px;
  background: #fff;
  font-size: 12px;
}

.settings-text {
  flex: 1 1 auto;
  min-width: 160px;
  padding: 7px 10px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 10px;
  background: #fff;
  font-size: 12px;
}

.settings-select {
  flex: 1 1 auto;
  min-width: 160px;
  padding: 7px 10px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 10px;
  background: #fff;
  font-size: 12px;
  color: var(--text);
}

.settings-select option {
  color: #1f1f1f;
  background: #ffffff;
}

.settings-file {
  flex: 1 1 auto;
  min-width: 160px;
  font-size: 12px;
}

.settings-suffix {
  font-size: 12px;
  color: rgba(0, 0, 0, 0.6);
}

.settings-btn {
  padding: 8px 10px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  background: #fff;
  color: #1f1f1f;
  border-radius: 10px;
  font-size: 12px;
  cursor: pointer;
}

.settings-btn:hover {
  border-color: rgba(0, 0, 0, 0.25);
}

.settings-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.settings-btn-danger {
  border-color: rgba(170, 35, 35, 0.35);
  color: rgb(170, 35, 35);
}

.settings-btn-danger:hover {
  border-color: rgba(170, 35, 35, 0.6);
}

.settings-hint {
  font-size: 12px;
  color: #666;
  line-height: 1.4;
  margin-top: 2px;
}

.settings-node-overrides {
  margin-top: 10px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 10px;
  overflow: hidden;
}

.settings-node-override-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  font-size: 12px;
}

.settings-node-override-row:first-child {
  border-top: 0;
}

.settings-node-override-row.is-active {
  background: rgba(11, 95, 255, 0.08);
}

.settings-node-override-node {
  font-weight: 700;
  color: var(--text);
}

.settings-node-override-meta {
  min-width: 0;
  color: var(--muted);
}

.settings-node-override-badge {
  justify-self: end;
  white-space: nowrap;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.06);
  color: var(--text);
}

.settings-mini-graph-wrap {
  margin: 12px 0 10px 0;
  padding: 10px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.38);
}

.settings-mini-graph-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.settings-mini-graph {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.settings-mini-node {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid #20242a;
  background: #fff;
  cursor: pointer;
  position: relative;
}

.settings-mini-node.is-loaded {
  background: #20242a;
}

.settings-mini-node.is-active {
  box-shadow: 0 0 0 3px rgba(11, 95, 255, 0.22);
  border-color: #0b5fff;
}

.settings-mini-node.has-voice::after {
  content: "";
  position: absolute;
  right: -2px;
  bottom: -2px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #25b47e;
  border: 1px solid #fff;
}

.billing-plan-btn {
  width: 100%;
  text-align: left;
  display: block;
  padding: 10px 10px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  border-radius: 10px;
  cursor: pointer;
  margin-bottom: 8px;
}

.billing-plan-btn:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--card-border));
  background: color-mix(in srgb, var(--accent) 10%, var(--card-bg));
}

.billing-plan-title {
  font-size: 12px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
}

.billing-plan-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.35;
}

.dash-item {
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  border-radius: 10px;
  padding: 8px 10px;
  margin-bottom: 8px;
  cursor: pointer;
}

.dash-item:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--card-border));
  background: color-mix(in srgb, var(--accent) 8%, var(--card-bg));
}

.dash-code {
  font-size: 12px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
}

.dash-metrics {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.35;
}

.saved-links {
  max-height: 240px;
  overflow-y: auto;
  padding-right: 4px;
}

.saved-link-item {
  position: relative;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: rgba(255, 255, 255, 0.75);
  margin-bottom: 6px;
  overflow: hidden;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
}

.saved-link-item:hover {
  background: rgba(11, 95, 255, 0.08);
  border-color: rgba(11, 95, 255, 0.25);
  transform: translateY(-1px);
}

.saved-link-item:focus-visible {
  outline: 2px solid rgba(11, 95, 255, 0.45);
  outline-offset: 1px;
}

.saved-link {
  display: block;
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
  word-break: break-all;
  padding-right: 18px;
}

.saved-link-hint {
  margin-top: 6px;
  font-size: 11px;
  color: #555;
  opacity: 0.9;
  line-height: 1.35;
}

.saved-link-hint strong {
  color: var(--text);
}

.saved-link-topic {
  margin-top: 4px;
  font-size: 11px;
  color: #444;
  opacity: 0.9;
  word-break: break-word;
}

.saved-link-delete {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 16px;
  height: 16px;
  border: 0;
  border-radius: 999px;
  background: rgba(220, 0, 0, 0.08);
  color: #c40000;
  font-size: 12px;
  font-weight: 900;
  line-height: 16px;
  cursor: pointer;
}

.saved-link-delete:hover {
  background: rgba(220, 0, 0, 0.14);
}

.saved-links-empty {
  font-size: 12px;
  color: #666;
}

.graph-topic-display {
  width: 92%;
  max-width: 900px;
  min-height: 18px;
  margin: 6px auto 0 auto;
  padding: 0 6px;
  box-sizing: border-box;
  font-size: 13px;
  font-weight: 700;
  color: #2b2b2b;
  text-align: left;
}

.graph-topic-display:empty {
  min-height: 0;
  margin: 0;
  padding: 0;
}

.save-share-row {
  width: 100%;
  max-width: 900px;
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  box-sizing: border-box;
  margin: 0 auto 10px auto;
  align-items: center;
  flex-wrap: wrap;
}

.save-as-label {
  font-size: 12px;
  color: #333;
}

.save-as-select {
  border: 1px solid rgba(0, 0, 0, 0.18);
  background: #fff;
  border-radius: 10px;
  padding: 9px 10px;
  font-size: 12px;
}

.save-as-select:focus {
  outline: none;
  border-color: rgba(11, 95, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(11, 95, 255, 0.12);
}

.save-share-row button {
  appearance: none;
  border: 1px solid rgba(0, 0, 0, 0.15);
  background: #fff;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  cursor: pointer;
}

.save-share-row button:hover {
  background: #f3f5f8;
}

.save-share-row #saveBtn {
  border-color: rgba(0, 90, 200, 0.35);
  background: #0b5fff;
  color: #fff;
  font-weight: 700;
}

.save-share-row #saveBtn:hover {
  background: #0a55e6;
}

.sidepanel-resizer {
  position: absolute;
  top: 0;
  right: 0;
  width: 8px;
  height: 100%;
  cursor: ew-resize;
}

.sidepanel-resizer:hover {
  background: rgba(0, 123, 255, 0.06);
}

.sidepanel.collapsed {
  width: var(--sidepanel-collapsed-width);
}

.sidepanel.collapsed .sidepanel-body {
  display: none;
}

.app-main {
  margin-left: var(--sidepanel-width);
  min-height: var(--viewport-height);
  display: flex;
  justify-content: center;
}

.sidepanel.collapsed ~ .app-main {
  margin-left: var(--sidepanel-collapsed-width);
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  min-height: var(--viewport-height);
  padding: 20px;
  box-sizing: border-box;
}

/* --- REVERTED ADDRESS BAR / NODE STYLES --- */
/* (Based on your original file, with additions for play button & playing state) */
.address-bar {
  width: 92%;  /* Original */
  max-width: 900px;  /* Original */
  height: 36px; /* Original */
  background-color: #f0f0f0; /* Original */
  border-radius: 18px; /* Original */
  display: flex;
  align-items: center;
  padding: 0 12px; /* Original */
  margin: 20px auto; /* Original */
  overflow-x: auto; /* Original - Important */
  position: relative; /* Original + Needed for icons/line */
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1); /* Original */
  scrollbar-width: none; /* Original */
  -ms-overflow-style: none; /* Original */
  /* Add hover effect from previous version */
  cursor: default;
}
.address-bar:hover {
  background-color: #e8e8e8;
  transition: background-color 0.2s ease;
}
.player-brand {
  width: 92%;
  max-width: 900px;
  margin: 8px auto 0;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #0b5fff;
  text-align: left;
}
.address-bar::-webkit-scrollbar {
  display: none; /* Original */
}

/* Keep positioning for Play button */
.address-bar-icons {
  position: sticky;
  left: 0;
  top: 0;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 10;
  background-color: inherit;
  padding: 0 12px;
  border-radius: 18px 0 0 18px;
  box-shadow: 4px 0 8px -4px rgba(0, 0, 0, 0.1);
}

.icon-button { /* Keep this style */
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  color: #333;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-button:hover {
  color: #007bff;
}
.icon-button i {
  font-size: 16px;
  line-height: 1;
}

.node-graph {
  display: flex; /* Original */
  align-items: center; /* Original */
  justify-content: flex-start; /* Original */
  height: 100%; /* Original */
  position: relative; /* Original */
  white-space: nowrap; /* Original */
  /* !! Adjusted padding-left for play button !! */
  padding-left: 48px; /* Increased to accommodate the play button (approx width + gap) */
  padding-right: 12px; /* Original */
  min-width: max-content; /* Original */
  pointer-events: none; /* Original */
  flex-grow: 1; /* Allow graph to take remaining space */
  z-index: 1; /* Establish a stacking context for children */
}

.connection-line {
  position: absolute !important; /* Original */
  height: 2px !important;
  background-color: #333 !important; /* Original */
  z-index: 1 !important;
  top: 50% !important; /* Original */
  transform: translateY(-50%) !important; /* Original */
  pointer-events: none !important;
  visibility: visible !important; /* Original */
  opacity: 1 !important; /* Original */
  left: 0;
  width: 0;
  transition: left 0.1s ease-out, width 0.1s ease-out; /* Keep smooth transition */
}

.node {
  --node-face: #ffffff;
  width: 20px; /* Original */
  height: 20px; /* Original */
  border-radius: 50%; /* Original */
  background: var(--node-face);
  border: 1.5px solid black; /* Original */
  cursor: pointer; /* Original */
  transition: all 0.3s ease; /* Original */
  position: relative; /* Original */
  z-index: 2; /* Ensure nodes are above the connection-line */
  margin: 0 10px; /* Original */
  flex-shrink: 0; /* Original */
  pointer-events: auto; /* Original */
}
.node:hover {
    transform: scale(1.1); /* Keep hover effect */
}

.node.connected {
  --node-face: #000000;
}

/* Keep playing state style */
.node.playing {
  --node-face: #007bff;
  border-color: #0056b3;
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.4);
}
/* --- END REVERTED STYLES --- */


/* Keep other styles (controls, split-content, modals etc.) as they were */
.recent-url-container {
  width: 100%;
  max-width: 900px;
  margin: 5px auto 15px auto;
  padding: 0 20px;
  box-sizing: border-box;
  text-align: center;
}

.recent-url {
  font-size: 12px;
  color: #555;
  padding: 4px 8px;
  background: #f0f0f0;
  border-radius: 4px;
  display: inline-block;
  max-width: 90%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: background-color 0.2s ease;
}
.recent-url:hover {
    background-color: #e0e0e0;
}
.recent-url[onclick] {
    cursor: pointer;
}
.recent-url[onclick]:hover {
     text-decoration: underline;
}

.controls {
  margin: 20px 0;
  display: flex;
  gap: 15px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  padding: 0 20px;
  width: 100%;
  max-width: 900px;
}

@media (max-width: 900px) {
  :root {
    --sidepanel-width: 240px;
  }
}

.node-count-control {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f5f5f5;
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid #ddd;
}
.node-count-control label {
  font-size: 14px;
  color: #333;
  white-space: nowrap;
}
.node-count-control input[type="number"] {
  width: 50px;
  padding: 6px 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 14px;
  text-align: center;
  -moz-appearance: textfield;
  appearance: textfield;
}
.node-count-control input[type=number]::-webkit-inner-spin-button,
.node-count-control input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}


/* General button style */
.controls button,
.modal-buttons button {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
  white-space: nowrap;
}
.controls button:hover,
.modal-buttons button:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Primary button style */
.controls button.set-nodes-btn,
.controls button#addManualBtn,
.controls button#addFileBtn,
.controls button#analyzeFileBtn,
.controls button#analyzePageBtn,
.controls button#importBrowserBtn,
.modal-buttons button#saveUrlBtn,
.modal-buttons button#importTabsBtn,
.modal-buttons button#importBookmarksBtn,
.modal-buttons button#importHistoryBtn,
#browserBridgeRefreshBtn {
  background: #007bff;
  color: white;
}
.controls button.set-nodes-btn:hover,
.controls button#addManualBtn:hover,
.controls button#addFileBtn:hover,
.controls button#analyzeFileBtn:hover,
.controls button#analyzePageBtn:hover,
.controls button#importBrowserBtn:hover,
.modal-buttons button#saveUrlBtn:hover,
.modal-buttons button#importTabsBtn:hover,
.modal-buttons button#importBookmarksBtn:hover,
.modal-buttons button#importHistoryBtn:hover,
#browserBridgeRefreshBtn:hover {
  background: #0056b3;
}

.modal-buttons button#importTabsBtn:disabled,
.modal-buttons button#importBookmarksBtn:disabled,
.modal-buttons button#importHistoryBtn:disabled,
#browserBridgeRefreshBtn:disabled {
  background: #a9bfdc;
  color: rgba(255, 255, 255, 0.94);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* Secondary/Cancel button style */
.controls button#clearAllBtn,
.modal-buttons button#clearUrlBtn,
.modal-buttons button#cancelUrlFormBtn,
.modal-buttons button#cancelImportBtn {
  background: #f5f5f5;
  color: #333;
  border: 1px solid #ddd;
}
.controls button#clearAllBtn:hover,
.modal-buttons button#clearUrlBtn:hover,
.modal-buttons button#cancelUrlFormBtn:hover,
.modal-buttons button#cancelImportBtn:hover {
  background: #e9e9e9;
}
.controls button#clearAllBtn {
    background-color: #f8d7da;
    color: #721c24;
    border-color: #f5c6cb;
}
.controls button#clearAllBtn:hover {
    background-color: #f5c6cb;
    border-color: #f1b0b7;
}


.split-content {
  display: flex;
  gap: 20px;
  width: 100%;
  max-width: 1200px;
  margin: 20px auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.pane-toggle-bar {
  width: 100%;
  max-width: 1200px;
  margin: 20px auto 0;
  padding: 0 20px;
  box-sizing: border-box;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.pane-toggle-btn,
.pane-inline-toggle {
  appearance: none;
  border: 1px solid rgba(11, 95, 255, 0.18);
  background: linear-gradient(135deg, rgba(11, 95, 255, 0.1), rgba(11, 95, 255, 0.03));
  color: #0b5fff;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.pane-toggle-btn:hover,
.pane-inline-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(11, 95, 255, 0.12);
  background: linear-gradient(135deg, rgba(11, 95, 255, 0.14), rgba(11, 95, 255, 0.06));
}

.pane-toggle-btn {
  padding: 10px 16px;
  font-size: 13px;
  letter-spacing: 0.01em;
}

.pane-inline-toggle {
  padding: 7px 12px;
  font-size: 12px;
  flex-shrink: 0;
}

.url-display,
.preview-container {
  flex: 1 1 0;
  min-width: 300px;
  background: #ffffff;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.url-display {
  overflow: hidden;
  transition:
    flex 0.28s ease,
    flex-basis 0.28s ease,
    max-width 0.28s ease,
    max-height 0.28s ease,
    min-width 0.28s ease,
    padding 0.28s ease,
    margin 0.28s ease,
    border-width 0.28s ease,
    opacity 0.22s ease,
    transform 0.28s ease;
}

.preview-container {
  min-width: 0;
  transition: flex 0.28s ease, width 0.28s ease, max-width 0.28s ease;
}

.pane-mode-switch {
  display: inline-flex;
  gap: 8px;
  margin-bottom: 14px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(11, 95, 255, 0.06);
  border: 1px solid rgba(11, 95, 255, 0.1);
}

.pane-mode-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: #48627f;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.pane-mode-btn.is-active {
  background: #0b5fff;
  color: white;
  box-shadow: 0 10px 24px rgba(11, 95, 255, 0.18);
}

.side-pane-section[hidden] {
  display: none !important;
}

.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 15px;
  border-bottom: 1px solid #eee;
  padding-bottom: 10px;
}

.url-display h3,
.preview-container h3 {
  margin-top: 0;
  margin-bottom: 0;
  color: #333;
  font-size: 16px;
}

.split-content.preview-expanded,
.split-content.analysis-expanded {
  max-width: 1400px;
}

.split-content.preview-expanded .url-display {
  flex-basis: 0;
  max-width: 0;
  min-width: 0;
  padding-left: 0;
  padding-right: 0;
  margin-right: -4px;
  opacity: 0;
  transform: translateX(-26px);
  pointer-events: none;
}

.split-content.preview-expanded .preview-container {
  flex: 1 1 100%;
  max-width: none;
}

.split-content.analysis-expanded .preview-container {
  flex-basis: 0;
  max-width: 0;
  min-width: 0;
  padding-left: 0;
  padding-right: 0;
  margin-left: -4px;
  opacity: 0;
  transform: translateX(26px);
  pointer-events: none;
  overflow: hidden;
}

.split-content.analysis-expanded .url-display {
  flex: 1 1 100%;
  max-width: none;
}

#nodeAssociations {
    max-height: 400px;
    overflow-y: auto;
    padding-right: 5px;
}

.split-content:not(.analysis-expanded) #analysisPane {
  max-height: 400px;
  overflow-y: auto;
}

.node-info {
  display: flex;
  align-items: center;
  padding: 10px;
  margin-bottom: 6px;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.2s ease;
  border: 1px solid transparent;
}
.node-info:hover {
  background: #f0f0f0;
  border-color: #ddd;
}
.node-info span:first-child {
  margin-right: 8px;
  font-weight: 500;
  color: #555;
  white-space: nowrap;
}
.node-info a,
.node-info .unconnected-text {
  color: #333;
  text-decoration: none;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  flex-grow: 1;
}
.node-info a:hover {
  color: #007bff;
  text-decoration: underline;
}
.node-info .unconnected-text {
    color: #888;
    font-style: italic;
}

#pageViewer {
  width: 100%;
  height: 400px;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #f8f9fa;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.05);
  overflow: hidden;
  position: relative;
}

.analysis-pane {
  margin-top: 18px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(247, 250, 255, 0.98), rgba(255, 255, 255, 0.98));
  padding: 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.analysis-pane__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.analysis-pane__eyebrow,
.analysis-card__eyebrow,
.analysis-empty__eyebrow {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #0b5fff;
}

.analysis-pane__header h4,
.analysis-empty h4,
.analysis-loading h4,
.analysis-card h4 {
  margin: 6px 0 0;
  font-size: 18px;
  color: #162031;
}

.analysis-pane__controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.analysis-provider-label {
  font-size: 12px;
  font-weight: 700;
  color: #51606f;
}

.analysis-provider-select,
.analysis-rerun-btn,
.analysis-action-btn {
  border-radius: 999px;
  border: 1px solid rgba(11, 95, 255, 0.18);
  background: white;
  color: #0b5fff;
  font-size: 12px;
  font-weight: 700;
}

.analysis-provider-select {
  min-width: 172px;
  padding: 9px 12px;
}

.analysis-rerun-btn,
.analysis-action-btn {
  padding: 9px 14px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.analysis-rerun-btn:hover,
.analysis-action-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(11, 95, 255, 0.12);
}

.analysis-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.analysis-action-btn {
  background: #0b5fff;
  color: white;
}

.analysis-action-btn--secondary,
.analysis-rerun-btn {
  background: rgba(11, 95, 255, 0.08);
  color: #0b5fff;
}

.analysis-rerun-btn.is-active {
  background: #0b5fff;
  color: white;
  box-shadow: 0 10px 24px rgba(11, 95, 255, 0.16);
}

.analysis-status {
  min-height: 18px;
  margin-bottom: 12px;
  font-size: 12px;
  color: #51606f;
}

.analysis-status--success { color: #1c7746; }
.analysis-status--warning { color: #9a6300; }
.analysis-status--error { color: #8d1f1f; }

.analysis-body {
  min-height: 180px;
}

.analysis-empty,
.analysis-loading,
.analysis-card {
  border-radius: 14px;
  background: white;
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 18px;
}

.analysis-empty p,
.analysis-loading p,
.analysis-summary {
  margin: 12px 0 0;
  line-height: 1.6;
  color: #475569;
}

.analysis-loading {
  display: flex;
  align-items: center;
  gap: 14px;
}

.analysis-spinner {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 3px solid rgba(11, 95, 255, 0.14);
  border-top-color: #0b5fff;
  animation: analysis-spin 0.8s linear infinite;
}

.analysis-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.analysis-chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.analysis-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(11, 95, 255, 0.08);
  color: #0b5fff;
  font-size: 11px;
  font-weight: 700;
}

.analysis-section {
  margin-top: 18px;
}

.analysis-section h5 {
  margin: 0 0 10px;
  font-size: 13px;
  color: #162031;
}

.analysis-list {
  margin: 0;
  padding-left: 18px;
  color: #334155;
  line-height: 1.55;
}

.analysis-excerpt {
  margin: 0;
  padding: 14px;
  border-radius: 12px;
  background: #0f172a;
  color: #d9e3f0;
  overflow: auto;
  max-height: 260px;
  white-space: pre-wrap;
  font-size: 12px;
  line-height: 1.55;
}

@keyframes analysis-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

#viewerFrame {
  width: 100%;
  height: 100%;
  border: none;
  background: white;
}

/* --- Modal Styles --- */
#modalBackdrop {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}
#modalBackdrop.visible { opacity: 1; }

.modal {
  display: none;
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -60%);
  background: white;
  padding: 25px 30px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  z-index: 1000;
  min-width: 350px;
  max-width: 500px;
  width: 90%;
  max-height: calc(var(--viewport-height) - 48px);
  overflow: auto;
  box-sizing: border-box;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
#browserSourceModal {
  max-width: 720px;
  width: min(92vw, 720px);
  max-height: calc(var(--viewport-height) - 32px);
  padding: 28px 30px 24px;
  border-radius: 18px;
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.18);
  overflow: hidden;
}
.modal.visible {
    opacity: 1;
    transform: translate(-50%, -50%);
}
.modal h2 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 18px;
    color: #333;
    text-align: center;
}
.modal .modal-content {
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.modal label {
    font-weight: 500;
    color: #333;
    font-size: 14px;
    margin-bottom: 3px;
}
.modal input[type="text"],
.modal input[type="number"],
.modal select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 14px;
  box-sizing: border-box;
}
.modal input:focus,
.modal select:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}
.modal .modal-buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 25px;
  padding-top: 15px;
  border-top: 1px solid #eee;
}

.browser-bridge-summary {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(11, 95, 255, 0.08), rgba(11, 95, 255, 0.03));
  border: 1px solid rgba(11, 95, 255, 0.12);
}

.browser-bridge-summary--ready {
  background: linear-gradient(135deg, rgba(32, 141, 79, 0.12), rgba(255, 255, 255, 0.98));
  border-color: rgba(32, 141, 79, 0.22);
}

.browser-bridge-summary--warning {
  background: linear-gradient(135deg, rgba(255, 166, 0, 0.12), rgba(255, 255, 255, 0.98));
  border-color: rgba(255, 166, 0, 0.24);
}

.browser-bridge-summary--busy {
  background: linear-gradient(135deg, rgba(11, 95, 255, 0.12), rgba(255, 255, 255, 0.98));
  border-color: rgba(11, 95, 255, 0.22);
}

.browser-bridge-copy {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.browser-bridge-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  text-align: left;
  font-style: normal;
  transform: none;
  writing-mode: horizontal-tb;
}

.browser-bridge-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 74px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(11, 95, 255, 0.12);
  color: #0b5fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.browser-bridge-summary--ready .browser-bridge-badge {
  background: rgba(32, 141, 79, 0.14);
  color: #1c7746;
}

.browser-bridge-summary--warning .browser-bridge-badge {
  background: rgba(255, 166, 0, 0.16);
  color: #9a6300;
}

.browser-bridge-meta {
  font-size: 12px;
  line-height: 1.45;
  color: #51606f;
}

.browser-import-intro {
  margin: 0 0 14px;
  line-height: 1.55;
  text-align: left;
  font-style: normal;
}

.browser-import-limit-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 96px;
  align-items: start;
  gap: 16px;
  margin-bottom: 14px;
}

.browser-import-limit-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1 1 auto;
  min-width: 0;
}

.browser-import-limit-row label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: #233142;
}

#browserSourceModal .browser-import-limit-row input[type="number"] {
  width: 96px;
  max-width: 96px;
  min-width: 96px;
  justify-self: end;
  align-self: start;
}

.browser-import-feedback {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(11, 95, 255, 0.12);
  background: rgba(11, 95, 255, 0.05);
  color: #27405c;
  font-size: 12px;
  line-height: 1.5;
}

.browser-import-feedback--success {
  background: rgba(32, 141, 79, 0.08);
  border-color: rgba(32, 141, 79, 0.18);
  color: #1c5d39;
}

.browser-import-feedback--warning {
  background: rgba(255, 166, 0, 0.08);
  border-color: rgba(255, 166, 0, 0.2);
  color: #7f5600;
}

.browser-import-feedback--error {
  background: rgba(198, 40, 40, 0.08);
  border-color: rgba(198, 40, 40, 0.16);
  color: #8d1f1f;
}

#browserBridgeStatus {
  margin: 0;
  flex: 1;
  line-height: 1.45;
}

#browserBridgeRefreshBtn {
  padding: 10px 14px;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
  font-weight: 600;
  box-shadow: 0 10px 20px rgba(11, 95, 255, 0.18);
}

#browserSourceModal .browser-install-slots {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#browserSourceModal .browser-install-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  box-sizing: border-box;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(243, 247, 255, 0.96));
  text-decoration: none;
  color: #233142;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease, background-color 0.2s ease;
}

#browserSourceModal .browser-install-card:hover {
  transform: translateY(-1px);
  border-color: rgba(0, 123, 255, 0.35);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.1);
}

#browserSourceModal .browser-install-card.is-recommended {
  border-color: rgba(0, 123, 255, 0.5);
  background: linear-gradient(135deg, rgba(11, 95, 255, 0.1), rgba(255, 255, 255, 0.98));
}

#browserSourceModal .browser-install-card.is-detected {
  border-color: rgba(32, 141, 79, 0.45);
  background: linear-gradient(135deg, rgba(32, 141, 79, 0.12), rgba(255, 255, 255, 0.98));
}

#browserSourceModal .browser-install-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  text-align: left;
  font-style: normal;
  transform: none;
  writing-mode: horizontal-tb;
}

#browserSourceModal .browser-install-title {
  font-size: 15px;
  font-weight: 700;
  font-style: normal;
}

#browserSourceModal .browser-install-copy {
  font-size: 12px;
  line-height: 1.4;
  color: #51606f;
  font-style: normal;
}

#browserSourceModal .browser-install-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 14px;
  min-width: 84px;
  border-radius: 999px;
  background: rgba(11, 95, 255, 0.1);
  color: #0b5fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

#browserSourceModal .modal-buttons button {
  width: 100%;
  min-width: 0;
  padding: 11px 14px;
  border-radius: 12px;
  font-weight: 600;
  box-sizing: border-box;
}

#browserSourceModal .modal-content {
  gap: 16px;
}

#browserSourceModal .modal-buttons {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  align-items: stretch;
  width: 100%;
  box-sizing: border-box;
}

#browserSourceModal .browser-import-actions {
  margin-top: 25px;
  padding-top: 15px;
  border-top: 1px solid #eee;
}

/* --- Dark Mode Readability Overrides (for legacy light styles) --- */
html[data-theme="dark"] .auth-label,
html[data-theme="dark"] .save-as-label,
html[data-theme="dark"] .settings-label,
html[data-theme="dark"] .settings-inline,
html[data-theme="dark"] .settings-check,
html[data-theme="dark"] .settings-suffix,
html[data-theme="dark"] .modal h2,
html[data-theme="dark"] .modal label,
html[data-theme="dark"] .node-count-control label,
html[data-theme="dark"] .url-display h3,
html[data-theme="dark"] .preview-container h3,
html[data-theme="dark"] .graph-topic-display,
html[data-theme="dark"] .player-brand,
html[data-theme="dark"] .analysis-pane__header h4,
html[data-theme="dark"] .analysis-empty h4,
html[data-theme="dark"] .analysis-loading h4,
html[data-theme="dark"] .analysis-card h4,
html[data-theme="dark"] .analysis-section h5 {
  color: var(--text);
}

html[data-theme="dark"] .auth-form,
html[data-theme="dark"] .settings-block {
  border-top-color: rgba(255, 255, 255, 0.12);
}

html[data-theme="dark"] .auth-tab,
html[data-theme="dark"] .auth-input,
html[data-theme="dark"] .settings-number,
html[data-theme="dark"] .settings-text,
html[data-theme="dark"] .settings-select,
html[data-theme="dark"] .save-as-select,
html[data-theme="dark"] .modal input[type="text"],
html[data-theme="dark"] .modal input[type="number"],
html[data-theme="dark"] .modal select {
  background: rgba(25, 31, 40, 0.85);
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--text);
}

html[data-theme="dark"] .settings-select option,
html[data-theme="dark"] .save-as-select option,
html[data-theme="dark"] .modal select option {
  background: #192028;
  color: #f1f3f6;
}

html[data-theme="dark"] .settings-hint,
html[data-theme="dark"] .saved-link-topic,
html[data-theme="dark"] .saved-links-empty {
  color: var(--muted);
}

html[data-theme="dark"] .settings-node-overrides {
  border-color: rgba(255, 255, 255, 0.10);
}

html[data-theme="dark"] .settings-mini-graph-wrap {
  border-color: rgba(255, 255, 255, 0.10);
  background: rgba(255,255,255,0.03);
}

html[data-theme="dark"] .settings-mini-node {
  border-color: rgba(241,243,246,0.85);
  background: #121821;
}

html[data-theme="dark"] .settings-mini-node.is-loaded {
  background: #eef2f7;
}

html[data-theme="dark"] .settings-mini-node.has-voice::after {
  border-color: #121821;
}

html[data-theme="dark"] .settings-node-override-row {
  border-top-color: rgba(255, 255, 255, 0.08);
}

html[data-theme="dark"] .settings-node-override-row.is-active {
  background: rgba(78, 161, 255, 0.12);
}

html[data-theme="dark"] .settings-node-override-badge {
  background: rgba(255, 255, 255, 0.08);
}

html[data-theme="dark"] .saved-link-item {
  border-color: rgba(255, 255, 255, 0.10);
  background: rgba(25, 31, 40, 0.55);
}

html[data-theme="dark"] .saved-link-hint {
  color: rgba(241, 243, 246, 0.72);
}

html[data-theme="dark"] .save-share-row button {
  background: rgba(25, 31, 40, 0.85);
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--text);
}

html[data-theme="dark"] .save-share-row button:hover {
  background: rgba(25, 31, 40, 1);
}

html[data-theme="dark"] .address-bar {
  background-color: rgba(25, 31, 40, 0.82);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.55);
}

html[data-theme="dark"] .icon-button { color: var(--text); }
html[data-theme="dark"] .icon-button:hover { color: var(--accent); }

html[data-theme="dark"] .connection-line { background-color: rgba(241, 243, 246, 0.70) !important; }

html[data-theme="dark"] .node {
  --node-face: #121821;
  border-color: rgba(241, 243, 246, 0.85);
  z-index: 2; /* Ensure nodes stay above the line */
}

html[data-theme="dark"] .node.connected { --node-face: #eef2f7; }

html[data-theme="dark"] .node.playing {
  --node-face: #3ea6ff;
  border-color: #d8f0ff !important;
  box-shadow: 0 0 0 4px rgba(62, 166, 255, 0.38), 0 0 18px rgba(62, 166, 255, 0.5) !important;
}

html[data-theme="dark"] .recent-url {
  color: var(--muted);
  background: rgba(25, 31, 40, 0.72);
}

html[data-theme="dark"] .recent-url:hover { background-color: rgba(25, 31, 40, 0.92); }

html[data-theme="dark"] .node-count-control {
  background: rgba(25, 31, 40, 0.72);
  border-color: rgba(255, 255, 255, 0.12);
}

html[data-theme="dark"] .node-count-control input[type="number"] {
  background: rgba(25, 31, 40, 0.85);
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--text);
}

html[data-theme="dark"] .url-display,
html[data-theme="dark"] .preview-container {
  background: rgba(25, 31, 40, 0.72);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

html[data-theme="dark"] .pane-toggle-btn,
html[data-theme="dark"] .pane-inline-toggle {
  border-color: rgba(110, 165, 255, 0.24);
  background: linear-gradient(135deg, rgba(67, 123, 255, 0.24), rgba(67, 123, 255, 0.08));
  color: #dce8ff;
}

html[data-theme="dark"] .pane-mode-switch {
  background: rgba(67, 123, 255, 0.12);
  border-color: rgba(110, 165, 255, 0.18);
}

html[data-theme="dark"] .pane-mode-btn {
  color: rgba(220, 232, 255, 0.82);
}

html[data-theme="dark"] .pane-mode-btn.is-active {
  background: rgba(67, 123, 255, 0.9);
  color: #ffffff;
}

html[data-theme="dark"] .settings-btn,
html[data-theme="dark"] .settings-row .settings-btn,
html[data-theme="dark"] .settings-row-wrap .settings-btn {
  color: #ff4d4f !important;
}

html[data-theme="dark"] .settings-btn:disabled,
html[data-theme="dark"] .settings-row .settings-btn:disabled,
html[data-theme="dark"] .settings-row-wrap .settings-btn:disabled {
  color: rgba(255, 77, 79, 0.58) !important;
}

html[data-theme="dark"] #voiceRecBtn,
html[data-theme="dark"] #voiceStopBtn,
html[data-theme="dark"] #voicePlayBtn,
html[data-theme="dark"] #bgAudioUseUrlBtn,
html[data-theme="dark"] #bgAudioPreviewPlayBtn,
html[data-theme="dark"] #bgAudioPreviewStopBtn,
html[data-theme="dark"] #generateQrBtn {
  color: #ff4d4f !important;
}

html[data-theme="dark"] #voiceStopBtn:disabled,
html[data-theme="dark"] #bgAudioPreviewStopBtn:disabled {
  color: rgba(255, 77, 79, 0.58) !important;
}

html[data-theme="dark"] .url-display h3,
html[data-theme="dark"] .preview-container h3 {
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

html[data-theme="dark"] .pane-header {
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

html[data-theme="dark"] .node-info:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

html[data-theme="dark"] .node-info span:first-child { color: var(--muted); }
html[data-theme="dark"] .node-info .unconnected-text { color: rgba(241, 243, 246, 0.60); }

html[data-theme="dark"] #pageViewer {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(25, 31, 40, 0.55);
}

html[data-theme="dark"] .analysis-pane,
html[data-theme="dark"] .analysis-empty,
html[data-theme="dark"] .analysis-loading,
html[data-theme="dark"] .analysis-card {
  background: rgba(15, 18, 22, 0.96);
  border-color: rgba(255, 255, 255, 0.08);
}

html[data-theme="dark"] .analysis-provider-select,
html[data-theme="dark"] .analysis-rerun-btn,
html[data-theme="dark"] .analysis-action-btn--secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #8db7ff;
  border-color: rgba(141, 183, 255, 0.25);
}

html[data-theme="dark"] .analysis-rerun-btn.is-active {
  background: rgba(67, 123, 255, 0.92);
  color: #ffffff;
}

html[data-theme="dark"] .analysis-empty p,
html[data-theme="dark"] .analysis-loading p,
html[data-theme="dark"] .analysis-summary,
html[data-theme="dark"] .analysis-list,
html[data-theme="dark"] .analysis-status,
html[data-theme="dark"] .analysis-provider-label {
  color: rgba(231, 236, 242, 0.8);
}

html[data-theme="dark"] #viewerFrame { background: rgba(15, 18, 22, 1); }

html[data-theme="dark"] .modal {
  background: rgba(15, 18, 22, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.6);
}

html[data-theme="dark"] .modal .modal-buttons { border-top-color: rgba(255, 255, 255, 0.12); }
html[data-theme="dark"] .browser-bridge-summary {
  background: linear-gradient(135deg, rgba(11, 95, 255, 0.18), rgba(255, 255, 255, 0.03));
  border-color: rgba(255, 255, 255, 0.08);
}
html[data-theme="dark"] .browser-bridge-summary--ready {
  background: linear-gradient(135deg, rgba(32, 141, 79, 0.24), rgba(25, 31, 40, 0.96));
  border-color: rgba(32, 141, 79, 0.34);
}
html[data-theme="dark"] .browser-bridge-summary--warning {
  background: linear-gradient(135deg, rgba(170, 112, 0, 0.24), rgba(25, 31, 40, 0.96));
  border-color: rgba(255, 189, 79, 0.28);
}
html[data-theme="dark"] #browserSourceModal .browser-install-card {
  color: #f1f3f6;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(25, 31, 40, 0.96));
  border-color: rgba(255, 255, 255, 0.12);
}
html[data-theme="dark"] #browserSourceModal .browser-install-card.is-recommended {
  background: linear-gradient(135deg, rgba(11, 95, 255, 0.2), rgba(25, 31, 40, 0.96));
  border-color: rgba(11, 95, 255, 0.45);
}
html[data-theme="dark"] #browserSourceModal .browser-install-card.is-detected {
  background: linear-gradient(135deg, rgba(32, 141, 79, 0.18), rgba(25, 31, 40, 0.96));
  border-color: rgba(32, 141, 79, 0.45);
}
html[data-theme="dark"] .browser-bridge-badge {
  background: rgba(255, 255, 255, 0.08);
  color: #e6eefc;
}
html[data-theme="dark"] .browser-bridge-summary--ready .browser-bridge-badge {
  background: rgba(32, 141, 79, 0.22);
  color: #dcf7e8;
}
html[data-theme="dark"] .browser-bridge-summary--warning .browser-bridge-badge {
  background: rgba(255, 189, 79, 0.18);
  color: #ffe7b7;
}
html[data-theme="dark"] .browser-bridge-meta {
  color: rgba(241, 243, 246, 0.72);
}
html[data-theme="dark"] .browser-import-limit-row label {
  color: #f1f3f6;
}
html[data-theme="dark"] .browser-import-feedback {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: #dbe4f4;
}
html[data-theme="dark"] .browser-import-feedback--success {
  background: rgba(32, 141, 79, 0.18);
  border-color: rgba(32, 141, 79, 0.26);
  color: #dcf7e8;
}
html[data-theme="dark"] .browser-import-feedback--warning {
  background: rgba(255, 189, 79, 0.14);
  border-color: rgba(255, 189, 79, 0.24);
  color: #ffe7b7;
}
html[data-theme="dark"] .browser-import-feedback--error {
  background: rgba(198, 40, 40, 0.16);
  border-color: rgba(198, 40, 40, 0.24);
  color: #ffd4d4;
}
html[data-theme="dark"] #browserSourceModal .browser-install-copy {
  color: rgba(241, 243, 246, 0.72);
}
html[data-theme="dark"] #browserSourceModal .browser-install-action {
  background: rgba(255, 255, 255, 0.08);
  color: #e6eefc;
}

/* --- Mobile Behavior (sidepanel overlays; keep core workflow intact) --- */
html[data-device="mobile"] .app-main {
  margin-left: 0;
}

html[data-device="mobile"] .sidepanel {
  width: min(88vw, 360px);
  max-width: calc(100vw - 28px);
  transform: translateX(0);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
  z-index: 60;
  overscroll-behavior: contain;
}

html[data-device="mobile"] .container {
  padding: calc(62px + env(safe-area-inset-top)) 10px calc(18px + env(safe-area-inset-bottom));
}

html[data-device="mobile"] .address-bar {
  width: calc(100% - 10px);
  max-width: none;
  margin: 14px auto;
}

html[data-device="mobile"] .sidepanel-top {
  position: sticky;
  top: 0;
  z-index: 2;
  background: inherit;
  padding: calc(12px + env(safe-area-inset-top)) 14px 10px;
}

html[data-device="mobile"] .sidepanel-body {
  padding: 8px 12px calc(22px + env(safe-area-inset-bottom));
}

html[data-device="mobile"] .sidepanel.collapsed {
  width: min(88vw, 360px);
  transform: translateX(-100%);
  pointer-events: none;
  box-shadow: none;
}

html[data-device="mobile"] .sidepanel.collapsed .sidepanel-body {
  display: block;
}

html[data-device="mobile"] .sidepanel.collapsed ~ .app-main {
  margin-left: 0;
}

html[data-device="mobile"] .sidepanel-resizer {
  display: none;
}

html[data-device="mobile"] .mobile-sidepanel-toggle {
  display: inline-flex;
  position: fixed;
  top: calc(12px + env(safe-area-inset-top));
  left: 12px;
  z-index: 70;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(11, 95, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.14);
  color: #0b5fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

html[data-theme="dark"][data-device="mobile"] .mobile-sidepanel-toggle {
  background: rgba(19, 24, 33, 0.94);
  color: #e6eefc;
  border-color: rgba(255, 255, 255, 0.14);
}

html[data-device="mobile"] body.mobile-sidepanel-open .mobile-sidepanel-toggle {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
}

html[data-device="mobile"] .sidepanel-backdrop {
  display: block;
  position: fixed;
  inset: 0;
  z-index: 55;
  border: 0;
  background: rgba(15, 23, 42, 0.34);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease;
}

html[data-device="mobile"] body.mobile-sidepanel-open .sidepanel-backdrop {
  opacity: 1;
  pointer-events: auto;
}

html[data-device="mobile"] .save-share-row {
  padding: 0 10px;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}

html[data-device="mobile"] .save-as-select,
html[data-device="mobile"] .save-share-row button {
  width: 100%;
  box-sizing: border-box;
}

html[data-device="mobile"] .pane-toggle-bar {
  padding: 0 10px;
  margin-top: 10px;
}

html[data-device="mobile"] .pane-toggle-btn {
  width: 100%;
}

html[data-device="mobile"] .pane-toggle-bar {
  flex-direction: column;
}

html[data-device="mobile"] .split-content {
  padding: 0 10px 14px;
  gap: 14px;
}

html[data-device="mobile"] .preview-container {
  order: 1;
}

html[data-device="mobile"] .url-display {
  order: 2;
  flex-basis: auto;
  max-width: none;
  min-width: 0;
}

html[data-device="mobile"] .controls {
  gap: 10px;
  padding: 0 10px;
  margin: 16px 0;
}

html[data-device="mobile"] .controls > button {
  width: 100%;
  min-height: 44px;
}

html[data-device="mobile"] .pane-mode-switch {
  display: flex;
  width: 100%;
}

html[data-device="mobile"] .pane-mode-btn {
  flex: 1 1 0;
}

html[data-device="mobile"] .analysis-pane__header,
html[data-device="mobile"] .analysis-card__head {
  flex-direction: column;
}

html[data-device="mobile"] .analysis-pane__controls {
  width: 100%;
  justify-content: flex-start;
}

html[data-device="mobile"] .analysis-provider-select {
  min-width: 0;
  width: 100%;
}

html[data-device="mobile"] .analysis-actions {
  flex-direction: column;
}

html[data-device="mobile"] .analysis-action-btn,
html[data-device="mobile"] .analysis-rerun-btn {
  width: 100%;
}

html[data-device="mobile"] .node-count-control {
  width: 100%;
  justify-content: space-between;
}

html[data-device="mobile"] .modal {
  width: min(96vw, 560px);
  min-width: 0;
  max-width: calc(100vw - 16px);
  max-height: calc(var(--viewport-height) - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 16px);
  padding: 20px 16px calc(18px + env(safe-area-inset-bottom));
  border-radius: 18px;
}

html[data-device="mobile"] #browserSourceModal {
  width: min(96vw, 720px);
  max-height: calc(var(--viewport-height) - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 16px);
  padding: 20px 16px calc(18px + env(safe-area-inset-bottom));
}

html[data-device="mobile"] #browserSourceModal .browser-bridge-summary,
html[data-device="mobile"] #browserSourceModal .browser-install-card {
  flex-direction: column;
  align-items: stretch;
}

html[data-device="mobile"] #browserSourceModal .browser-install-action {
  width: 100%;
}

html[data-device="mobile"] #pageViewer {
  height: clamp(320px, 52dvh, 460px);
}

@media (max-width: 760px) {
  html[data-device="mobile"] #pageViewer { height: clamp(300px, 50dvh, 420px); }
}

@media (max-width: 760px) and (orientation: landscape) {
  html[data-device="mobile"] #pageViewer { height: clamp(220px, 42dvh, 320px); }
}

/* =====================================================================
   STORY MODE / GUIDED TOUR EXPERIENCE
   ===================================================================== */

/* --- Story Progress Bar (segmented, Instagram-story-style) --- */
.story-progress {
  display: none; /* shown only during playback */
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  padding: 12px 12px 0 12px;
  gap: 6px;
  pointer-events: none;
  box-sizing: border-box;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, transparent 100%);
}

.story-progress.active { display: flex; }

.story-seg {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.25);
  overflow: hidden;
  pointer-events: auto;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.15s;
  position: relative;
}

.story-seg:hover { 
  background: rgba(255,255,255,0.4); 
  transform: scaleY(1.5);
}

.story-seg .story-seg-fill {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  width: 0%;
  background: #fff;
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(255,255,255,0.5);
}

.story-seg.past .story-seg-fill { width: 100% !important; }
.story-seg.future .story-seg-fill { width: 0% !important; }
.story-seg.active-seg .story-seg-fill {
  animation: storyFill var(--story-dur, 3s) linear forwards;
}

@keyframes storyFill {
  from { width: 0%; }
  to   { width: 100%; }
}

/* --- Node Counter Badge --- */
.story-counter {
  display: none;
  position: absolute;
  top: 24px;
  right: 16px;
  z-index: 22;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 5px 12px;
  border-radius: 20px;
  letter-spacing: 0.05em;
  pointer-events: none;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.1);
}

.story-counter.active { display: block; }

/* --- Topic Badge --- */
.story-topic {
  display: none;
  position: absolute;
  top: 24px;
  left: 16px;
  z-index: 22;
  font-size: 12px;
  font-weight: 800;
  color: #fff;
  background: var(--accent, #0b5fff);
  padding: 5px 14px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  box-shadow: 0 4px 12px rgba(11, 95, 255, 0.3);
  pointer-events: none;
  max-width: 60%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.story-topic.active { display: block; }

/* --- Caption Overlay (glassmorphism) --- */
.story-caption {
  display: none;
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 21;
  padding: 30px 20px 24px 20px;
  background: linear-gradient(0deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 70%, transparent 100%);
  color: #fff;
  pointer-events: none;
  box-sizing: border-box;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1), opacity 0.4s ease;
}

.story-caption.visible {
  display: block;
  transform: translateY(0);
  opacity: 1;
}

.story-caption-title {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 6px;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
  letter-spacing: -0.02em;
}

.story-caption-text {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  opacity: 0.95;
  text-shadow: 0 1px 2px rgba(0,0,0,0.4);
  margin-bottom: 8px;
}

.story-caption-url {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(255,255,255,0.15);
  padding: 4px 10px;
  border-radius: 6px;
  text-decoration: none;
  pointer-events: auto;
  transition: background 0.2s;
  backdrop-filter: blur(4px);
}

.story-caption-url:hover {
  background: rgba(255,255,255,0.25);
}

.story-caption-url::before {
  content: '→';
  font-weight: 400;
}

/* --- Navigation tap zones (invisible but active) --- */
.story-nav {
  position: absolute;
  top: 50px;
  bottom: 100px;
  width: 25%;
  z-index: 25;
  cursor: pointer;
  pointer-events: auto;
  transition: background 0.2s;
}

.story-nav-prev { left: 0; }
.story-nav-next { right: 0; }

.story-nav:active {
  background: rgba(255,255,255,0.05);
}

.immersive-toggle {
  display: none;
  position: absolute;
  bottom: 10px;
  right: 10px;
  z-index: 25;
  appearance: none;
  border: none;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.2s;
}

.immersive-toggle:hover { background: rgba(0,0,0,0.65); }
.immersive-toggle.active { display: block; }

.story-voice-indicator {
  display: none;
  position: absolute;
  top: 56px;
  right: 16px;
  z-index: 22;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
  background: rgba(0,0,0,0.48);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 5px 11px;
  border-radius: 999px;
  pointer-events: none;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.story-voice-indicator.active { display: flex; }

.voice-bars {
  display: flex;
  gap: 2px;
  height: 12px;
  align-items: flex-end;
}

.voice-bars span {
  width: 2px;
  background: #fff;
  border-radius: 1px;
  animation: voiceBar 0.6s ease-in-out infinite alternate;
}

.voice-bars span:nth-child(1) { height: 4px; animation-delay: 0s; }
.voice-bars span:nth-child(2) { height: 8px; animation-delay: 0.15s; }
.voice-bars span:nth-child(3) { height: 5px; animation-delay: 0.3s; }
.voice-bars span:nth-child(4) { height: 10px; animation-delay: 0.05s; }
.voice-bars span:nth-child(5) { height: 6px; animation-delay: 0.25s; }

@keyframes voiceBar {
  0%   { height: 3px; }
  100% { height: 12px; }
}

.preview-container.immersive {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 900;
  margin: 0;
  padding: 0;
  border-radius: 0;
  max-width: none;
  min-width: 0;
  box-shadow: none;
  background: #000;
}

.preview-container.immersive h3 { display: none; }

.preview-container.immersive #pageViewer {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 0;
}

.immersive-exit {
  display: none;
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 910;
  appearance: none;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  border-radius: 999px;
  width: 36px;
  height: 36px;
  font-size: 18px;
  line-height: 36px;
  text-align: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  align-items: center;
  justify-content: center;
}

.immersive-exit[hidden] { display: none !important; }

.immersive-exit:hover { background: rgba(0,0,0,0.75); transform: scale(1.08); }

.immersive-exit.visible { display: flex; }

/* --- Playing State Enhancements on address bar nodes --- */
.node.playing {
  background-color: var(--accent, #007bff) !important;
  border-color: color-mix(in srgb, var(--accent) 80%, #000) !important;
  box-shadow: 0 0 0 4px rgba(11, 95, 255, 0.25), 0 0 12px rgba(11, 95, 255, 0.20) !important;
  animation: nodePulse 1.5s ease-in-out infinite;
}

@keyframes nodePulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(11, 95, 255, 0.25), 0 0 12px rgba(11, 95, 255, 0.20); }
  50%      { box-shadow: 0 0 0 6px rgba(11, 95, 255, 0.15), 0 0 18px rgba(11, 95, 255, 0.30); }
}

/* --- Topic / Graph Title in playback mode --- */
.story-topic {
  display: none;
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 22;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 4px 14px;
  border-radius: 999px;
  pointer-events: none;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
  max-width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.story-topic.active { display: block; }

/* --- Responsive Adjustments --- */
/* (Keep previous responsive adjustments) */
@media (max-width: 900px) {
  .controls { gap: 10px; }
  .controls button { padding: 8px 12px; }
  .pane-toggle-bar { padding: 0 10px; }
  .split-content { flex-direction: column; padding: 0 10px; }
  .url-display, .preview-container { max-width: 100%; }
  .url-display { flex-basis: auto; }
  .split-content.preview-expanded .url-display {
    max-height: 0;
    margin: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-width: 0;
    transform: translateY(-12px);
  }
  .split-content.analysis-expanded .preview-container {
    max-height: 0;
    margin: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-width: 0;
    transform: translateY(12px);
  }
  html[data-device="desktop"] #pageViewer { height: 300px; }
  html[data-device="mobile"] #pageViewer { height: clamp(300px, 50dvh, 420px); }
  .address-bar { max-width: none; } /* Allow full width */
  .player-brand { max-width: none; width: 100%; }
}
@media (max-width: 600px) {
    body { min-width: initial; }
    .container { padding: 10px; }
    .controls { flex-direction: column; align-items: stretch; }
    .node-count-control { justify-content: space-between; width: 100%; box-sizing: border-box; }
    .modal { width: 95%; padding: 20px; }
    .browser-import-limit-row { flex-direction: column; align-items: stretch; }
    .browser-import-limit-row input { width: 100%; }
    .browser-bridge-summary { flex-direction: column; align-items: stretch; }
    .browser-bridge-copy { flex-direction: column; }
    #browserSourceModal .browser-install-card { flex-direction: column; align-items: stretch; }
    #browserSourceModal .browser-install-action { width: 100%; }
    #browserSourceModal .modal-buttons { grid-template-columns: 1fr !important; }
    /* Adjust address bar padding on very small screens if needed */
    .address-bar { padding: 0 8px; }
    .address-bar-icons { left: 8px; }
    .node-graph { padding-left: 40px; padding-right: 8px; } /* Adjust node graph padding too */
}

/* =====================================================================
   ANALYTICS V2
   ===================================================================== */

.analytics-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(11, 95, 255, 0.12), transparent 32%),
    radial-gradient(circle at top right, rgba(78, 161, 255, 0.10), transparent 24%),
    var(--app-bg);
}

.analytics-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.analytics-sidebar {
  padding: 22px 16px;
  border-right: 1px solid var(--panel-border);
  background: var(--panel-bg);
  box-shadow: var(--panel-shadow);
}

.analytics-sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.analytics-main {
  padding: 28px;
}

.analytics-hero {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 22px;
}

.analytics-eyebrow {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.analytics-hero h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
}

.analytics-hero p {
  margin: 10px 0 0 0;
  color: var(--muted);
  max-width: 680px;
}

.analytics-grid {
  display: grid;
  gap: 18px;
}

.analytics-grid-cards {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-bottom: 18px;
}

.analytics-grid-cards-tight {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.analytics-grid-two {
  grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
  margin-bottom: 18px;
}

.analytics-grid-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 18px;
}

.analytics-card,
.analytics-panel {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  box-shadow: var(--panel-shadow);
}

.analytics-card {
  padding: 18px;
}

.analytics-card-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 8px;
}

.analytics-card-value {
  font-size: 28px;
  font-weight: 800;
}

.analytics-card-meta {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.analytics-panel {
  padding: 18px 20px;
}

.analytics-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.analytics-panel h2,
.analytics-subhead {
  margin: 0;
  font-size: 18px;
}

.analytics-subhead {
  margin-bottom: 12px;
}

.analytics-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.analytics-rank-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.5);
  border: 1px solid rgba(0,0,0,0.06);
}

html[data-theme="dark"] .analytics-rank-row {
  background: rgba(255,255,255,0.02);
  border-color: rgba(255,255,255,0.08);
}

.analytics-rank-copy {
  min-width: 0;
}

.analytics-rank-label {
  font-size: 14px;
  font-weight: 700;
  word-break: break-word;
}

.analytics-rank-meta {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.analytics-rank-value {
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.analytics-rank-bar {
  grid-column: 1 / -1;
  height: 6px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(0,0,0,0.06);
}

.analytics-rank-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #5ec3ff);
}

.analytics-chart {
  min-height: 240px;
}

.analytics-chart-shell {
  position: relative;
  min-height: 280px;
}

.analytics-chart-canvas {
  width: 100% !important;
  height: 280px !important;
}

.analytics-series {
  height: 240px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(18px, 1fr);
  gap: 8px;
  align-items: end;
}

.analytics-series-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.analytics-series-bars {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: end;
  gap: 3px;
}

.analytics-series-bar {
  flex: 1;
  min-height: 4px;
  border-radius: 6px 6px 2px 2px;
}

.analytics-series-bar-views { background: linear-gradient(180deg, #0b5fff, #6ab4ff); }
.analytics-series-bar-previews { background: linear-gradient(180deg, #25b47e, #7fe1bd); }
.analytics-series-bar-visits { background: linear-gradient(180deg, #ff8a00, #ffd089); }

.analytics-series-label {
  font-size: 10px;
  color: var(--muted);
  max-width: 44px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.analytics-table-wrap {
  overflow: auto;
}

.analytics-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.analytics-table-compact {
  overflow: auto;
}

.analytics-mini-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.analytics-mini-table th,
.analytics-mini-table td {
  padding: 9px 10px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  text-align: left;
  vertical-align: top;
}

html[data-theme="dark"] .analytics-mini-table th,
html[data-theme="dark"] .analytics-mini-table td {
  border-bottom-color: rgba(255,255,255,0.08);
}

.analytics-mini-table th {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.analytics-table th,
.analytics-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  text-align: left;
}

html[data-theme="dark"] .analytics-table th,
html[data-theme="dark"] .analytics-table td {
  border-bottom-color: rgba(255,255,255,0.08);
}

.analytics-table th {
  color: var(--muted);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.analytics-link-btn {
  border: 0;
  background: transparent;
  color: var(--accent);
  font-weight: 800;
  cursor: pointer;
  padding: 0;
}

.analytics-link-btn:hover {
  text-decoration: underline;
}

@media (max-width: 1180px) {
  .analytics-shell {
    grid-template-columns: 1fr;
  }

  .analytics-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--panel-border);
  }

  .analytics-grid-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .analytics-grid-two,
  .analytics-grid-three {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .analytics-main {
    padding: 16px;
  }

  .analytics-grid-cards,
  .analytics-grid-cards-tight {
    grid-template-columns: 1fr;
  }
}
.qr-image {
  max-width: 140px;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  background: #fff;
  padding: 8px;
}

.qr-download-link {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(11, 95, 255, 0.08);
  transition: all 0.2s;
}

.qr-download-link:hover {
  background: rgba(11, 95, 255, 0.15);
  transform: translateY(-1px);
}

html[data-theme="dark"] .qr-image {
  background: #fff; /* QR codes need white background for scanning reliability */
  border-color: rgba(255, 255, 255, 0.15);
}