* {
  box-sizing: border-box;
}

:root,
html[data-theme="gpt5"] {
  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    sans-serif;
  --page-bg: #f7f7f8;
  --chat-bg: #f7f7f8;
  --text: #0d0d0d;
  --text-muted: #8e8e8e;
  --topbar-bg: rgba(247, 247, 248, 0.9);
  --topbar-border: #ececec;
  --title-color: #0d0d0d;
  --btn-bg: #fff;
  --btn-border: #d9d9d9;
  --btn-text: #0d0d0d;
  --btn-hover-bg: #f9f9f9;
  --btn-primary-bg: #0d0d0d;
  --btn-primary-border: #0d0d0d;
  --btn-primary-text: #fff;
  --btn-primary-hover: #262626;
  --status-border: #ececec;
  --status-color: #8e8e8e;
  --bubble-user-bg: #e7e7e7;
  --bubble-user-text: #0d0d0d;
  --avatar-bg: linear-gradient(145deg, #10a37f 0%, #0d8f6e 100%);
  --avatar-radius: 0.35rem;
  --avatar-shadow: 0 0 0 1px rgba(0, 0, 0, 0.05);
  --pill-bg: #ececec;
  --pill-text: #353535;
  --md-pre-bg: #0d0d0d;
  --md-pre-text: #ececec;
  --md-inline-bg: #f4f4f4;
  --md-inline-border: #ececec;
  --md-mermaid-bg: #fff;
  --md-mermaid-border: #e8e8e8;
  --md-blockquote-border: #d9d9d9;
  --md-blockquote-text: #6e6e6e;
  --thinking-label: #6e6e6e;
  --thinking-dot: #b4b4b4;
  --thinking-pulse-1: #2563eb;
  --thinking-pulse-2: #7c3aed;
  --thinking-pulse-glow-1: rgba(37, 99, 235, 0.35);
  --thinking-pulse-glow-2: rgba(124, 58, 237, 0.3);
  --composer-border: #e3e3e3;
  --composer-input-bg: #fff;
  --composer-input-text: #0d0d0d;
  --composer-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --remote-mensch-bg: linear-gradient(125deg, #bfdbfe 0%, #ddd6fe 52%, #fce7f3 100%);
  --remote-mensch-text: #1e3a8a;
  --remote-mensch-border: #60a5fa;
}

html[data-theme="gemini"] {
  --font-body: "Google Sans Flex", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --page-bg: #f8fafc;
  --chat-bg: #f0f4ff;
  --text: #1f1f1f;
  --text-muted: #5f6368;
  --topbar-bg: rgba(240, 244, 255, 0.92);
  --topbar-border: #d7e3fc;
  --title-color: #174ea6;
  --btn-bg: #fff;
  --btn-border: #d7e3fc;
  --btn-text: #174ea6;
  --btn-hover-bg: #e8f0fe;
  --btn-primary-bg: #1a73e8;
  --btn-primary-border: #1a73e8;
  --btn-primary-text: #fff;
  --btn-primary-hover: #1557b0;
  --status-border: #d7e3fc;
  --status-color: #5f6368;
  --bubble-user-bg: #d7e6fd;
  --bubble-user-text: #174ea6;
  --avatar-bg: conic-gradient(
    from 200deg at 50% 50%,
    #4285f4 0deg,
    #9b72cb 90deg,
    #d96570 180deg,
    #fbbc04 270deg,
    #34a853 340deg,
    #4285f4 360deg
  );
  --avatar-radius: 50%;
  --avatar-shadow: 0 0 0 1px rgba(26, 115, 232, 0.12);
  --pill-bg: #e8f0fe;
  --pill-text: #174ea6;
  --md-pre-bg: #1a1c1e;
  --md-pre-text: #e8eaed;
  --md-inline-bg: #e8f0fe;
  --md-inline-border: #d7e3fc;
  --md-mermaid-bg: #fff;
  --md-mermaid-border: #d7e3fc;
  --md-blockquote-border: #1a73e8;
  --md-blockquote-text: #5f6368;
  --thinking-label: #5f6368;
  --thinking-dot: #8ab4f8;
  --thinking-pulse-1: #1a73e8;
  --thinking-pulse-2: #9b72cb;
  --thinking-pulse-glow-1: rgba(26, 115, 232, 0.4);
  --thinking-pulse-glow-2: rgba(155, 114, 203, 0.35);
  --composer-border: #d7e3fc;
  --composer-input-bg: #f8fbff;
  --composer-input-text: #1f1f1f;
  --composer-shadow: 0 4px 20px rgba(26, 115, 232, 0.1);
  --remote-mensch-bg: linear-gradient(125deg, #1a73e8 0%, #4285f4 38%, #9b72cb 100%);
  --remote-mensch-text: #fff;
  --remote-mensch-border: rgba(255, 255, 255, 0.45);
}

html[data-theme="claude"] {
  --font-body: ui-serif, "New York", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia,
    "Times New Roman", serif;
  --page-bg: #faf8f5;
  --chat-bg: #f5f0e8;
  --text: #1a1512;
  --text-muted: #6b6560;
  --topbar-bg: rgba(250, 248, 245, 0.92);
  --topbar-border: #e8e0d8;
  --title-color: #5c4033;
  --btn-bg: #fffaf5;
  --btn-border: #e0d4c8;
  --btn-text: #5c4033;
  --btn-hover-bg: #f0ebe3;
  --btn-primary-bg: #d97757;
  --btn-primary-border: #c45f3c;
  --btn-primary-text: #fff;
  --btn-primary-hover: #c45f3c;
  --status-border: #e0d4c8;
  --status-color: #8a8279;
  --bubble-user-bg: #e2d8cc;
  --bubble-user-text: #1a1512;
  --avatar-bg: linear-gradient(160deg, #d97757 0%, #b4532a 100%);
  --avatar-radius: 0.45rem;
  --avatar-shadow: 0 0 0 1px rgba(92, 64, 51, 0.08);
  --pill-bg: #f0e6dc;
  --pill-text: #8b4513;
  --md-pre-bg: #2d241f;
  --md-pre-text: #f5ebe0;
  --md-inline-bg: #ece6df;
  --md-inline-border: #e0d4c8;
  --md-mermaid-bg: #fffaf5;
  --md-mermaid-border: #e0d4c8;
  --md-blockquote-border: #d97757;
  --md-blockquote-text: #6b6560;
  --thinking-label: #8a8279;
  --thinking-dot: #c4a896;
  --thinking-pulse-1: #d97757;
  --thinking-pulse-2: #b4532a;
  --thinking-pulse-glow-1: rgba(217, 119, 87, 0.45);
  --thinking-pulse-glow-2: rgba(180, 83, 42, 0.35);
  --composer-border: #e0d4c8;
  --composer-input-bg: #fff8f2;
  --composer-input-text: #1a1512;
  --composer-shadow: 0 4px 20px rgba(92, 64, 51, 0.08);
  --remote-mensch-bg: linear-gradient(125deg, #fcd34d 0%, #fdba74 48%, #fb923c 100%);
  --remote-mensch-text: #78350f;
  --remote-mensch-border: #ea580c;
}

html {
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-body);
  background: var(--page-bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.shell {
  position: relative;
  width: 100%;
  margin: 0;
  height: 100%;
  min-height: 100dvh;
  max-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.65rem 1rem;
  background: var(--topbar-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--topbar-border);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.topbar-title {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--title-color);
}

.model-pill {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
  background: var(--pill-bg);
  color: var(--pill-text);
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.topbar .toolbar > .btn {
  display: none;
}

.btn {
  padding: 0.4rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 9999px;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-text);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover:not(:disabled) {
  background: var(--btn-hover-bg);
}

.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border-color: var(--btn-primary-border);
}

.btn-primary:hover:not(:disabled) {
  background: var(--btn-primary-hover);
  border-color: var(--btn-primary-hover);
}

.btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.status {
  margin-left: 0.35rem;
  padding-left: 0.65rem;
  border-left: 1px solid var(--status-border);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--status-color);
}

.chat {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 1.25rem 1rem;
  padding-bottom: calc(7.5rem + env(safe-area-inset-bottom, 0px));
  background: var(--chat-bg);
  -webkit-overflow-scrolling: touch;
}

.turn {
  padding: 0.65rem 0;
  border: none;
  background: transparent;
}

.msg-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  max-width: 100%;
}

.turn.mensch .msg-row {
  justify-content: flex-end;
}

.avatar {
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
  border-radius: var(--avatar-radius);
  margin-top: 0.2rem;
  background: var(--avatar-bg);
  box-shadow: var(--avatar-shadow);
}

.msg-content {
  display: flex;
  align-items: flex-end;
  gap: 0.15rem;
  min-width: 0;
  flex: 1;
  font-size: 1rem;
  line-height: 1.625;
  color: var(--text);
}

.turn.mensch .msg-content {
  flex: 0 1 auto;
  max-width: min(96%, 100%);
  padding: 0.65rem 1rem;
  border-radius: 1.35rem;
  background: var(--bubble-user-bg);
  color: var(--bubble-user-text);
}

.turn.ki .msg-content {
  padding-top: 0.15rem;
}

.msg-content > .md {
  flex: 1;
  min-width: 0;
}

.stream-caret {
  flex-shrink: 0;
  width: 0.55ch;
  height: 1.1em;
  margin-bottom: 0.12em;
  background: var(--text);
  opacity: 0.55;
  border-radius: 1px;
  animation: stream-caret-blink 0.95s step-end infinite;
}

@keyframes stream-caret-blink {
  0%,
  50% {
    opacity: 0.55;
  }
  51%,
  100% {
    opacity: 0.08;
  }
}

.md :first-child {
  margin-top: 0;
}

.md :last-child {
  margin-bottom: 0;
}

.md p {
  margin: 0.65em 0;
}

.md h1,
.md h2,
.md h3 {
  margin: 1.1em 0 0.45em;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.md h1 {
  font-size: 1.25rem;
}

.md h2 {
  font-size: 1.1rem;
}

.md h3 {
  font-size: 1rem;
}

.md ul,
.md ol {
  margin: 0.65em 0;
  padding-left: 1.35rem;
}

.md li {
  margin: 0.25em 0;
}

.md div.mermaid {
  margin: 0.85rem 0;
  padding: 0.85rem;
  background: var(--md-mermaid-bg);
  border-radius: 0.5rem;
  border: 1px solid var(--md-mermaid-border);
  overflow: auto;
}

.md pre:not(.mermaid) {
  margin: 0.85rem 0;
  padding: 0.85rem 1rem;
  border-radius: 0.5rem;
  background: var(--md-pre-bg);
  color: var(--md-pre-text);
  overflow: auto;
  font-size: 0.875em;
}

.md code {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, monospace;
  font-size: 0.9em;
}

.md p > code,
.md li > code {
  background: var(--md-inline-bg);
  padding: 0.12em 0.35em;
  border-radius: 0.25rem;
  border: 1px solid var(--md-inline-border);
}

.md blockquote {
  margin: 0.85rem 0;
  padding-left: 0.85rem;
  border-left: 3px solid var(--md-blockquote-border);
  color: var(--md-blockquote-text);
}

.thinking {
  padding: 0.5rem 0 0.75rem;
  background: transparent;
}

.thinking-wrap {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.thinking-bubble {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  min-height: 1.75rem;
  padding-top: 0.2rem;
}

.thinking-dots {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

.thinking-dots span {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--thinking-dot);
  animation: thinking-bounce 1.05s ease-in-out infinite;
}

.thinking-dots span:nth-child(2) {
  animation-delay: 0.14s;
}

.thinking-dots span:nth-child(3) {
  animation-delay: 0.28s;
}

@keyframes thinking-bounce {
  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.45;
  }
  30% {
    transform: translateY(-0.28rem);
    opacity: 1;
  }
}

.thinking-pulse {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--thinking-pulse-1) 0%, var(--thinking-pulse-2) 100%);
  flex-shrink: 0;
  animation: thinking-dot 1s ease-in-out infinite;
}

@keyframes thinking-dot {
  0%,
  100% {
    transform: scale(0.85);
    opacity: 0.55;
    box-shadow: 0 0 0 0 var(--thinking-pulse-glow-1);
  }
  50% {
    transform: scale(1.2);
    opacity: 1;
    box-shadow: 0 0 0 0.22rem var(--thinking-pulse-glow-2);
  }
}

.thinking-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--thinking-label);
  letter-spacing: -0.01em;
}

.composer {
  position: fixed;
  z-index: 25;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  margin-left: 0;
  margin-right: 0;
  padding: 0.65rem 1rem max(0.75rem, env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--topbar-border);
  background: color-mix(in srgb, var(--chat-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.07);
}

.composer-inner {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  width: 100%;
  margin: 0;
  padding: 0.55rem 0.65rem 0.55rem 0.85rem;
  background: var(--composer-input-bg);
  border: 1px solid var(--composer-border);
  border-radius: 1.35rem;
  box-shadow: var(--composer-shadow);
}

.composer-field {
  flex: 1;
  min-width: 0;
}

.composer-input {
  display: block;
  width: 100%;
  min-height: 2.6rem;
  max-height: 200px;
  padding: 0.35rem 0.15rem;
  border: none;
  outline: none;
  resize: none;
  font: inherit;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--composer-input-text);
  background: transparent;
}

.composer-input::placeholder {
  color: var(--text-muted);
}

.composer-model {
  position: relative;
  flex-shrink: 0;
}

.composer-model-trigger {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0.32rem 0.42rem 0.32rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--pill-text);
  background: var(--pill-bg);
  border-radius: 0.45rem;
  border: 1px solid var(--composer-border);
  user-select: none;
  pointer-events: none;
}

.composer-model-chevron {
  flex-shrink: 0;
  opacity: 0.55;
  transition: transform 0.22s ease, opacity 0.15s ease;
}

.composer-model.is-open .composer-model-chevron {
  transform: rotate(180deg);
  opacity: 0.85;
}

.composer-model-list {
  position: absolute;
  bottom: calc(100% + 0.35rem);
  right: 0;
  margin: 0;
  padding: 0.2rem 0;
  list-style: none;
  min-width: 7.75rem;
  background: var(--composer-input-bg);
  border: 1px solid var(--composer-border);
  border-radius: 0.55rem;
  box-shadow: var(--composer-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.4rem) scale(0.96);
  transform-origin: bottom right;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 30;
}

.composer-model.is-open .composer-model-list {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.composer-model-option {
  padding: 0.42rem 0.72rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text);
  transition: background 0.12s ease, transform 0.15s ease;
}

.composer-model-option.is-pick {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  transform: scale(1.02);
}

.composer-send {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0;
  border: none;
  border-radius: 9999px;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  cursor: default;
  transition: transform 0.18s ease, background 0.15s ease;
}

.composer-sending .composer-send {
  animation: composer-send-pop 0.38s ease;
}

@keyframes composer-send-pop {
  0%,
  100% {
    transform: scale(1);
  }
  40% {
    transform: scale(0.88);
  }
  70% {
    transform: scale(1.05);
  }
}

@media (max-width: 36rem) {
  .topbar {
    padding: 0.55rem 0.75rem;
  }

  .chat {
    padding: 1rem 0.75rem;
    padding-bottom: calc(7.5rem + env(safe-area-inset-bottom, 0px));
  }

  .turn.mensch .msg-content {
    max-width: 92%;
  }
}

body.remote-body {
  margin: 0;
  height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  background: var(--page-bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.remote-shell {
  max-width: 40rem;
  margin: 0 auto;
  width: 100%;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.remote-topbar {
  flex-shrink: 0;
  z-index: 2;
  padding: 0.65rem 1rem;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--topbar-border);
  backdrop-filter: blur(10px);
}

.remote-brand {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.remote-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--title-color);
}

.remote-status {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.remote-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0.75rem 1rem 1.5rem;
  padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.remote-item {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.35rem;
  width: 100%;
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-radius: 0.65rem;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  transition: border-color 0.12s ease, background 0.12s ease, box-shadow 0.12s ease;
}

.remote-item:hover {
  background: var(--btn-hover-bg);
}

.remote-item.is-active {
  border-color: var(--btn-primary-border);
  box-shadow: 0 0 0 1px var(--btn-primary-bg);
  background: var(--btn-hover-bg);
}

.remote-item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.remote-item-idx {
  font-weight: 600;
  color: var(--title-color);
}

.remote-item-role {
  padding: 0.18rem 0.5rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.84rem;
}

.remote-item-role--mensch {
  background: var(--remote-mensch-bg);
  color: var(--remote-mensch-text);
  border: 1px solid var(--remote-mensch-border);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

html[data-theme="gemini"] .remote-item-role--mensch {
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.18);
}

.remote-item-role--ki {
  background: var(--avatar-bg);
  color: #fff;
  border: none;
  box-shadow: var(--avatar-shadow);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.remote-item-model {
  font-weight: 500;
  font-size: 0.84rem;
}

.remote-item-preview {
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--text);
}