/* V7 themes load last so legacy components inherit one coherent visual system. */
html,
body,
#shell {
  background-color: var(--color-page);
}

body {
  background-image: var(--gradient-page);
  background-attachment: fixed;
}

header,
nav {
  background: var(--color-header-glass);
  border-color: var(--color-line);
  backdrop-filter: blur(18px) saturate(118%);
  -webkit-backdrop-filter: blur(18px) saturate(118%);
}

header {
  padding-top: 10px;
  padding-bottom: 9px;
}

header h1 {
  line-height: 1.2;
}

header .sub {
  line-height: 1.3;
}

header .mark {
  width: 36px;
  height: 36px;
}

#version-badge.header-chip,
#theme-toggle.header-chip,
#pf-badge.header-chip {
  appearance: none;
  display: inline-flex;
  height: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0 9px;
  color: var(--color-text);
  font: inherit;
  font-size: .68rem;
  font-weight: 700;
  white-space: nowrap;
  border: 1px solid;
  border-radius: 12px;
  box-shadow: inset 0 1px rgba(255, 255, 255, .28);
  cursor: pointer;
}

#version-badge.header-chip {
  min-width: 56px;
  background: var(--color-primary-100);
  border-color: var(--color-primary-300);
  text-transform: none;
}

#version-badge.header-chip::before {
  width: 5px;
  height: 5px;
  content: "";
  background: var(--color-accent);
  border-radius: 50%;
}

#theme-toggle.header-chip {
  min-width: 48px;
  background: var(--color-primary-50);
  border-color: var(--color-primary);
}

#pf-badge.header-chip {
  min-width: 50px;
  max-width: 68px;
  background: var(--color-secondary-50);
  border-color: var(--color-secondary);
}

#pf-badge-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

#version-badge.header-chip:hover {
  background: var(--color-primary-200);
}

#theme-toggle.header-chip:hover {
  background: var(--color-primary-100);
}

#pf-badge.header-chip:hover {
  background: var(--color-secondary-100);
}

.header-chip:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--color-surface);
}

.btn,
.private-send {
  color: var(--color-on-primary);
  background: var(--color-primary);
}

.private-composer textarea:focus,
.private-composer textarea:focus-visible {
  outline: none;
  box-shadow: none;
}

.private-composer:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.private-send {
  min-width: 58px;
  white-space: nowrap;
}

.btn.ghost {
  color: var(--color-text);
  background: var(--color-secondary-100);
}

.btn.line,
.conversation-inline-error button {
  color: var(--color-text);
  background: var(--color-surface);
}

.btn.danger {
  color: var(--color-danger-fg);
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger-line);
}

.tag.warn,
.offline-tip,
.simulation-boundary {
  color: var(--color-warning-fg);
  background: var(--color-warning-bg);
  border-color: var(--color-warning-line);
}

.tag.good,
.intent-box,
.tool-status {
  color: var(--color-success-fg);
  background: var(--color-success-bg);
  border-color: var(--color-success-line);
}

.tag.bad,
.stoploss {
  color: var(--color-danger-fg);
  background: var(--color-danger-bg);
  border-color: var(--color-danger-line);
}

.web-sources {
  color: var(--color-text);
  background: var(--color-success-bg);
  border-color: var(--color-success-line);
}

.web-sources summary,
.web-source a {
  color: var(--color-success-fg);
}

.filechip.on,
.point .pi {
  color: var(--color-on-primary);
}

.home-help {
  position: relative;
  display: grid;
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
  place-items: center;
  padding: 0;
  color: var(--color-primary);
  background: transparent;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  transition: color .16s ease, transform .16s ease;
}

.home-help::before {
  position: absolute;
  width: 34px;
  height: 34px;
  content: "";
  background: var(--color-primary-100);
  border-radius: 10px;
  transition: background .16s ease;
}

.home-help svg {
  position: relative;
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.home-help:hover {
  color: var(--color-on-primary);
  transform: translateY(-1px);
}

.home-help:hover::before {
  background: var(--color-primary);
}

.home-help:active {
  transform: translateY(0);
}

.home-help-sheet h2 {
  margin-bottom: 14px;
}

.help-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.help-grid article {
  padding: 12px;
  background: var(--color-primary-50);
  border: 1px solid var(--color-primary-200);
  border-radius: 14px;
}

.help-grid b,
.help-grid p {
  display: block;
}

.help-grid b {
  font-size: .8rem;
}

.help-grid p {
  margin-top: 4px;
  color: var(--color-text-secondary-aa);
  font-size: .72rem;
  line-height: 1.55;
}

.home-task-disclosure {
  margin: 2px 0 10px;
  border-top: 1px solid var(--color-line);
}

.home-task-disclosure > summary {
  min-height: 44px;
  justify-content: space-between;
  gap: 10px;
  color: var(--color-text-secondary-aa);
  font-size: .72rem;
  font-weight: 700;
  list-style: none;
}

.home-task-disclosure > summary::-webkit-details-marker {
  display: none;
}

.home-task-disclosure > summary::after {
  content: "+";
  font-size: 1rem;
}

.home-task-disclosure[open] > summary::after {
  content: "−";
}

.home-task-disclosure > summary span {
  margin-left: auto;
  overflow: hidden;
  color: var(--color-text-secondary);
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quick-task-row button {
  min-height: 44px;
  color: var(--color-text);
  text-align: center;
  background: var(--color-soft-glass);
}

.conversation-empty,
.focus-plan > div {
  background: var(--color-soft-glass);
}

.composer-capability {
  justify-content: flex-end;
}

.conversation-status[hidden] {
  display: none;
}

#sheet-mask {
  background: var(--color-overlay);
  backdrop-filter: blur(5px);
}

#sheet {
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-bottom: 0;
  box-shadow: var(--shadow-float);
}

#sheet .grip::before {
  background: var(--color-control-line);
}

#toast {
  color: var(--color-toast-text);
  background: var(--color-toast);
  box-shadow: var(--shadow-float);
}

.version-current,
.version-item.current {
  color: var(--color-warning-fg);
  background: var(--color-warning-bg);
  border-color: var(--color-warning-line);
}

.version-item.current {
  background-image: linear-gradient(145deg, var(--color-surface), var(--color-warning-bg));
}

.version-item.current .version-head b,
.source-card.brave .kind,
.data-action-list .danger,
.offline-tip .tt,
.style-warn {
  color: var(--color-warning-fg);
}

.intro-hero {
  color: var(--color-on-primary);
  background: var(--gradient-hero);
  box-shadow: var(--shadow-card);
}

.intro-hero::after {
  background: rgba(255, 255, 255, .14);
}

.skin-wechat .ctop,
.skin-wechat .cbody {
  color: var(--color-text);
  background: var(--color-surface-muted);
}

.skin-wechat .crow.left .cbub {
  color: var(--color-text);
  background: var(--color-chat-other);
}

.skin-wechat .crow.right .cbub {
  color: var(--color-text);
  background: var(--color-chat-mine);
}

.quote,
.direct-read,
.details-why,
.logitem pre,
.datepill,
.segment-menu {
  color: var(--color-text-secondary-aa);
}

.import-time.detected,
.sugg .fx,
.growth .delta.up {
  color: var(--color-success-fg);
  background: var(--color-success-bg);
  border-color: var(--color-success-line);
}

.import-time.missing,
.sugg .risk,
.growth-focus {
  color: var(--color-warning-fg);
  background: var(--color-warning-bg);
  border-color: var(--color-warning-line);
}

.growth .delta.down {
  color: var(--color-danger-fg);
  background: var(--color-danger-bg);
}

:root[data-theme="dark"] header,
:root[data-theme="dark"] nav {
  box-shadow: 0 10px 34px rgba(4, 7, 11, .24), inset 0 -1px rgba(255, 255, 255, .02);
}

:root[data-theme="dark"] .private-coach {
  background: radial-gradient(circle at 82% 2%, rgba(183, 172, 255, .18), transparent 38%), linear-gradient(155deg, rgba(39, 35, 49, .94), rgba(24, 21, 32, .96));
  border-color: var(--color-primary-300);
  box-shadow: var(--shadow-float);
  backdrop-filter: blur(18px) saturate(112%);
}
:root[data-theme="dark"] .home-context-bar {
  background: rgba(20, 31, 34, .72);
}

:root[data-theme="dark"] .card,
:root[data-theme="dark"] .task-row,
:root[data-theme="dark"] .conversation-message,
:root[data-theme="dark"] .private-composer,
:root[data-theme="dark"] .attachment-card,
:root[data-theme="dark"] .source-card,
:root[data-theme="dark"] .version-item {
  background-color: rgba(25, 31, 40, .9);
  border-color: var(--color-line);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(14px) saturate(108%);
}

:root[data-theme="dark"] .conversation-message.user {
  background: var(--color-chat-mine);
  border-color: var(--color-primary-300);
}

:root[data-theme="dark"] .conversation-empty,
:root[data-theme="dark"] .quick-task-row button,
:root[data-theme="dark"] .focus-plan > div {
  background: rgba(30, 38, 49, .72);
}

:root[data-theme="dark"] textarea,
:root[data-theme="dark"] input[type="text"],
:root[data-theme="dark"] input[type="password"],
:root[data-theme="dark"] input[type="search"],
:root[data-theme="dark"] input[type="date"],
:root[data-theme="dark"] input[type="datetime-local"],
:root[data-theme="dark"] select {
  color: var(--color-text);
  background: var(--color-surface-muted);
  border-color: var(--color-control-line);
}

:root[data-theme="dark"] .home-focus,
:root[data-theme="dark"] .growth-focus-card,
:root[data-theme="dark"] .version-item.current {
  background-image: linear-gradient(145deg, rgba(31, 38, 48, .94), rgba(40, 47, 55, .9));
}

:root[data-theme="dark"] .intro-hero {
  color: var(--color-text);
  background: var(--gradient-hero);
}

:root[data-theme="dark"] .privacy-paths > div,
:root[data-theme="dark"] .review-dimensions span {
  background: var(--color-surface-muted);
}

@media (max-width: 640px) {
  header {
    min-height: 64px;
    padding: 10px 12px 9px;
  }

  header .brand {
    gap: 7px;
  }

  header .brand-launch {
    width: 44px;
    min-width: 44px;
    height: 44px;
    min-height: 44px;
  }

  header .mark {
    width: 36px;
    min-width: 36px;
    height: 36px;
    min-height: 36px;
  }

  header .hd-right {
    gap: 4px;
  }

  #version-badge.header-chip,
  #theme-toggle.header-chip,
  #pf-badge.header-chip {
    height: 44px;
    min-height: 44px;
    padding-right: 8px;
    padding-left: 8px;
    font-size: .7rem;
  }

  #version-badge.header-chip {
    min-width: 52px;
  }

  #theme-toggle.header-chip {
    min-width: 44px;
  }

  #pf-badge.header-chip {
    min-width: 48px;
    max-width: 64px;
  }

  .theme-label {
    display: inline;
  }

  nav {
    top: 64px;
  }

  main {
    padding-top: 16px;
  }

  .section-intro {
    margin-bottom: 14px;
  }

  .section-intro p {
    margin-top: 3px;
    font-size: .78rem;
  }

  .card {
    margin-bottom: 10px;
  }

  .task-list {
    gap: 8px;
  }

  .task-row {
    min-height: 68px;
    padding: 10px 12px;
    gap: 10px;
  }

  .task-icon {
    width: 40px;
    height: 40px;
    border-radius: 11px;
  }

  .task-copy span {
    font-size: .76rem;
  }

  #page-me .section-intro {
    margin-bottom: 10px;
  }

  .home-task-disclosure > summary span {
    max-width: 56%;
  }

  .help-grid {
    grid-template-columns: 1fr;
  }
}