:root {
  color-scheme: light;
  --bg: #f3f6fa;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --panel-muted: #f6f8fb;
  --surface-muted: #f4f7fb;
  --surface-subtle: #eef2f7;
  --surface-emphasis: #e7eef8;
  --line: #d6deea;
  --line-strong: #c4cfdd;
  --line-heavy: #aab8cb;
  --text: #172234;
  --text-muted: #5f6f86;
  --text-dim: #7b889c;
  --accent: #276ef1;
  --accent-strong: #1f57c7;
  --accent-soft: #edf4ff;
  --accent-green: #0f7a61;
  --accent-green-soft: #ebf8f4;
  --accent-orange: #b9771e;
  --accent-orange-soft: #fff7eb;
  --danger: #cb5269;
  --danger-soft: #fff2f5;
  --font-ui: 'Aptos', 'Segoe UI Variable Display', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-body: 'Aptos', 'Segoe UI Variable Text', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Cascadia Code', 'SFMono-Regular', 'Consolas', 'Liberation Mono', monospace;
  --radius-xl: 20px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --ring: 0 0 0 3px rgba(39, 110, 241, 0.14);
  --session-card-height: 640px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
}

body {
  font-family: var(--font-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  display: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

.app-shell {
  min-height: 100vh;
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.app-shell::before {
  display: none;
}

.connection-panel__eyebrow,
.status-card__label,
.session-card__agent,
.session-card__state,
.new-session-form__eyebrow,
.new-session-field__label,
.ac-code-label,
.composer-hint,
.message-bubble__status,
.message-bubble__sender,
.connection-log-entry__meta {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.primary-button,
.ghost-button,
.composer-send,
.workspace-tab {
  border-radius: 12px;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease,
    opacity 160ms ease;
}

.primary-button,
.composer-send {
  padding: 11px 16px;
  background: var(--accent);
  color: #ffffff;
  border: 1px solid var(--accent);
  font-weight: 700;
}

.primary-button:hover,
.composer-send:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.primary-button:active,
.composer-send:active {
  background: #1849ab;
  border-color: #1849ab;
}

.ghost-button,
.workspace-tab {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
}

.ghost-button {
  padding: 11px 16px;
}

.ghost-button:hover,
.workspace-tab:hover {
  background: var(--panel-soft);
  border-color: var(--line-strong);
}

.primary-button:disabled,
.ghost-button:disabled,
.composer-send:disabled,
.workspace-tab:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.workspace-toolbar,
.workspace-panel {
  position: relative;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: var(--panel);
}

.workspace-toolbar::before,
.workspace-panel::before,
.session-card::after,
.connection-panel::before,
.status-card::before {
  display: none;
}

.workspace-toolbar {
  padding: 12px 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.workspace-tabs {
  flex: 1 1 auto;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  min-width: 0;
  max-width: 100%;
  margin: 0;
}

.workspace-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  min-height: 40px;
  padding: 0 14px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-muted);
  background: var(--surface-muted);
}

.workspace-tab.is-active {
  color: #ffffff;
  border-color: var(--accent);
  background: var(--accent);
}

.connection-badge,
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 40px;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workspace-toolbar__session-creator {
  flex: 0 1 430px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.workspace-toolbar__status-actions {
  flex: 0 0 auto;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.workspace-toolbar__refresh {
  height: 40px;
  min-height: 40px;
  padding: 0 14px;
  color: var(--text-muted);
  background: var(--surface-muted);
}

.connection-badge {
  flex: 0 0 auto;
  margin-left: 0;
  align-self: center;
  white-space: nowrap;
}

.connection-badge > span:last-child {
  display: inline-flex;
  align-items: center;
}

.connection-badge__dot,
.status-pill::before,
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
  background: var(--line-heavy);
}

.status-pill::before {
  content: '';
}

.connection-badge.is-connected,
.status-pill.is-connected {
  color: var(--accent-green);
  border-color: #b8ddd2;
  background: var(--accent-green-soft);
}

.connection-badge.is-connected .connection-badge__dot,
.status-pill.is-connected::before {
  background: var(--accent-green);
}

.connection-badge.is-connecting,
.connection-badge.is-reconnecting,
.status-pill.is-connecting,
.status-pill.is-reconnecting {
  color: var(--accent-orange);
  border-color: #efd7ae;
  background: var(--accent-orange-soft);
}

.connection-badge.is-connecting .connection-badge__dot,
.connection-badge.is-reconnecting .connection-badge__dot,
.status-pill.is-connecting::before,
.status-pill.is-reconnecting::before,
.pulse-dot {
  background: var(--accent-orange);
  animation: pulse 1.4s ease infinite;
}

.connection-badge.is-error,
.status-pill.is-error {
  color: var(--danger);
  border-color: #f1c6d0;
  background: var(--danger-soft);
}

.connection-badge.is-error .connection-badge__dot,
.status-pill.is-error::before {
  background: var(--danger);
}

.workspace-panel {
  min-width: 0;
  padding: 18px;
}

#chatTabPanel {
  padding: 0;
  background: transparent;
  border-color: transparent;
}

#chatTabPanel::before {
  display: none;
}

.new-session-form {
  display: grid;
  grid-template-columns: minmax(120px, 144px) minmax(152px, 196px) auto;
  gap: 10px;
  align-items: center;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.new-session-field {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.new-session-field__label {
  font-size: 9px;
  color: var(--text-dim);
}

.new-session-field__control {
  width: 100%;
  height: 40px;
  min-height: 40px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  line-height: 1.2;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.new-session-field__control:hover {
  border-color: var(--line-strong);
}

.new-session-field__control:focus {
  border-color: rgba(39, 110, 241, 0.5);
  box-shadow: var(--ring);
  background: #ffffff;
}

.new-session-form__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  min-height: 40px;
  padding: 0 14px;
  font-weight: 700;
  line-height: 1.1;
  background: var(--panel);
}

.new-session-error {
  min-height: 16px;
  padding: 0 4px;
  font-size: 11px;
  line-height: 1.4;
  color: var(--danger);
}

.new-session-error:empty {
  display: none;
}

.workspace-panel[hidden] {
  display: none;
}

.workspace-panel--connection {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.wall-empty-state {
  overflow: hidden;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 48px 28px;
  background: var(--panel);
  text-align: center;
}

.wall-empty-state::before {
  display: none;
}

.wall-empty-state[data-ready='true'] {
  border-style: solid;
  border-color: #bfd3fa;
  background: #f8fbff;
}

.wall-empty-state h2 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.5vw, 26px);
  letter-spacing: 0.02em;
}

.wall-empty-state p {
  margin: 14px auto 0;
  max-width: 580px;
  color: var(--text-muted);
  line-height: 1.75;
  font-size: 15px;
}

.session-wall {
  --session-wall-gap: 16px;
  --session-card-min-width: 300px;
  --session-wall-max-columns: 4;
  display: grid;
  gap: var(--session-wall-gap);
  align-items: start;
  inline-size: 100%;
  grid-template-columns: repeat(
    auto-fit,
    minmax(
      min(
        100%,
        max(
          var(--session-card-min-width),
          calc(
            (100% - (var(--session-wall-max-columns) - 1) * var(--session-wall-gap))
            / var(--session-wall-max-columns)
          )
        )
      ),
      1fr
    )
  );
}

.session-card {
  --tone-accent: var(--accent);
  --session-border: var(--line);
  --session-hover-border: color-mix(in srgb, var(--tone-accent) 28%, var(--line));
  position: relative;
  width: 100%;
  min-width: 0;
  height: var(--session-card-height);
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--session-border);
  border-radius: var(--radius-xl);
  background: var(--panel);
}

.session-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: #d7eadf;
}

.session-card:hover {
  border-color: var(--session-hover-border);
}

.session-card.is-idle::before {
  background: #d8efde;
}

.session-card.is-awaiting::before {
  background: #f3d8e8;
}

.session-card.is-working {
  --session-border: color-mix(in srgb, #7aa8ff 24%, var(--line));
  --session-hover-border: color-mix(in srgb, #7aa8ff 36%, var(--line));
}

.session-card.is-working::before {
  background: #d9e7ff;
}

.session-card.is-error {
  --session-border: color-mix(in srgb, var(--danger) 22%, var(--line));
  --session-hover-border: color-mix(in srgb, var(--danger) 34%, var(--line));
}

.session-card.is-error::before {
  background: #f6d7df;
}

.tone-main {
  --tone-accent: #276ef1;
}

.tone-coding {
  --tone-accent: #0f7a61;
}

.tone-image {
  --tone-accent: #6f49e6;
}

.tone-generic {
  --tone-accent: #68788d;
}

.session-card__header {
  padding: 11px 14px 10px;
  display: grid;
  gap: 6px;
  align-items: start;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.session-card__topline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 10px;
  min-width: 0;
}

.session-card__identity {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 8px 12px;
  min-width: 0;
}

.session-card__badges {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.session-card__meta {
  min-width: 0;
}

.session-card__agent,
.session-card__state {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
}

.session-card__agent {
  color: var(--tone-accent);
  background: color-mix(in srgb, var(--tone-accent) 8%, #ffffff);
  border: 1px solid color-mix(in srgb, var(--tone-accent) 20%, #ffffff);
}

.session-card__state {
  gap: 6px;
  color: var(--text-muted);
  background: var(--surface-muted);
  border: 1px solid var(--line);
}

.session-card__state::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: 0 0 auto;
  background: currentColor;
  opacity: 0.7;
}

.session-card__state.is-idle {
  color: #4e8b5d;
  background: #eef9f1;
  border-color: #cfe5d5;
}

.session-card__state.is-awaiting {
  color: #b15f8d;
  background: #fdf0f7;
  border-color: #efc9dd;
}

.session-card__state.is-working {
  color: #3972db;
  background: #eef4ff;
  border-color: #cadcff;
}

.session-card__state.is-awaiting::before,
.session-card__state.is-working::before {
  opacity: 1;
  animation: pulse 1.4s ease infinite;
}

.session-card__state.is-error {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 9%, #ffffff);
  border-color: color-mix(in srgb, var(--danger) 22%, #ffffff);
}

.session-card__title-field {
  min-width: 0;
}

.session-card__title {
  width: 100%;
  margin: 0;
  padding: 0;
  min-width: 0;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

.session-card__title:hover {
  border-color: color-mix(in srgb, var(--line) 78%, #ffffff);
  background: color-mix(in srgb, var(--surface-muted) 72%, #ffffff);
}

.session-card__title:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--brand) 55%, #ffffff);
  background: #ffffff;
}

.session-card__time,
.session-card__keyline,
.session-card__key,
.message-bubble__meta,
.connection-panel__copy,
.status-card p,
.connection-log-entry__text {
  color: var(--text-dim);
}

.session-card__time,
.session-card__keyline,
.session-card__key,
.message-bubble__meta {
  font-size: 12px;
}

.session-card__time {
  flex: 0 0 auto;
  white-space: nowrap;
  font-family: var(--font-mono);
}

.session-card__actions {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-self: end;
}

.session-card__model-menu {
  position: relative;
}

.session-card__model-trigger {
  min-height: 28px;
  max-width: 132px;
  padding: 0 11px;
  border-radius: 999px;
  border: 1px solid #cfdaf0;
  background: #f6f9ff;
  color: #315ea8;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.session-card__model-trigger::after {
  content: '▾';
  font-size: 10px;
  opacity: 0.78;
}

.session-card__model-trigger:hover {
  border-color: #b7c8ea;
  background: #eef4ff;
}

.session-card__model-trigger:disabled {
  opacity: 0.62;
  cursor: not-allowed;
}

.session-card__model-trigger.is-pending {
  color: #7d5d1f;
  border-color: #ecd6ab;
  background: #fff8ea;
}

.session-card__model-trigger.is-pending::after {
  content: '…';
  font-size: 12px;
  animation: pulse 1.4s ease infinite;
}

.session-card__model-trigger-text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-model-menu__popover {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 8;
  min-width: 164px;
  max-width: 220px;
  display: grid;
  gap: 4px;
  padding: 8px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 36px rgba(23, 34, 52, 0.12);
}

.session-model-menu__popover[hidden] {
  display: none;
}

.session-model-menu__item,
.session-model-menu__empty {
  min-height: 32px;
  padding: 0 10px;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.2;
}

.session-model-menu__item {
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.session-model-menu__item:hover {
  border-color: #d7e3fb;
  background: #f5f9ff;
}

.session-model-menu__item.is-selected {
  color: var(--accent-strong);
  border-color: #bfd3fa;
  background: #eef4ff;
}

.session-model-menu__empty {
  display: inline-flex;
  align-items: center;
  color: var(--text-dim);
  background: var(--panel-soft);
}

.session-card__delete {
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid #f1c6d0;
  background: #fff7f9;
  color: var(--danger);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
}

.session-card__delete:hover {
  border-color: #e4a8b7;
  background: #ffecef;
}

.session-card__delete:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background: var(--panel-soft);
  border-color: var(--line);
  color: var(--text-dim);
}

.session-card__keyline {
  min-width: 0;
  max-width: 56%;
  justify-self: end;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  font-family: var(--font-mono);
  text-align: right;
}


.session-card__key-label {
  display: none;
}

.session-card__key {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: right;
}

.session-card__messages {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--surface-muted);
  overscroll-behavior: contain;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.session-card__messages::-webkit-scrollbar,
.connection-log-list::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

.session-card__empty {
  margin: auto 0;
  padding: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--panel);
}

.session-card__empty-title {
  font-family: var(--font-mono);
  font-size: 13px;
}

.session-card__empty-copy {
  margin-top: 8px;
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 14px;
}

.message-bubble {
  align-self: flex-start;
  display: flex;
  flex-direction: column;
  inline-size: min(100%, 440px);
  max-inline-size: min(100%, 440px);
  padding: 12px 14px;
  border-radius: 16px 16px 16px 12px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.message-bubble.is-incoming::before,
.message-bubble.is-outgoing::before,
.message-bubble.is-streaming::before,
.message-bubble.is-failed::before {
  display: none;
}

.message-bubble.is-outgoing {
  align-self: flex-end;
  margin-left: auto;
  inline-size: fit-content;
  max-inline-size: min(100%, 440px);
  color: var(--text);
  text-align: left;
  border-radius: 16px 16px 12px 16px;
  border-color: #bfd3fa;
  background: var(--accent-soft);
}

.message-bubble.is-failed {
  border-color: #f1c6d0;
  background: var(--danger-soft);
}

.message-bubble.is-streaming {
  border-style: dashed;
  border-color: #efd7ae;
  background: var(--accent-orange-soft);
}

.message-bubble__sender {
  margin-bottom: 8px;
  font-size: 10px;
  color: var(--text-muted);
}

.message-bubble__content {
  color: var(--text);
  line-height: 1.72;
  word-break: break-word;
  font-size: 14px;
}

.message-bubble__images {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.message-image-button {
  padding: 0;
  border: 0;
  background: transparent;
  border-radius: 12px;
  overflow: hidden;
}

.message-image {
  display: block;
  max-width: min(100%, 220px);
  max-height: 220px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  object-fit: cover;
}

.message-bubble.is-outgoing .message-bubble__content {
  text-align: left;
}

.message-bubble.is-outgoing .message-bubble__content pre,
.message-bubble.is-outgoing .message-bubble__content table,
.message-bubble.is-outgoing .message-bubble__content th,
.message-bubble.is-outgoing .message-bubble__content td {
  text-align: left;
}

.stream-content {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.68;
}

.message-bubble__content p {
  margin: 0 0 0.75em;
}

.message-bubble__content p:last-child,
.message-bubble__content ul:last-child,
.message-bubble__content ol:last-child,
.message-bubble__content pre:last-child,
.message-bubble__content blockquote:last-child {
  margin-bottom: 0;
}

.message-bubble__content ul,
.message-bubble__content ol {
  margin: 0.18em 0 0.9em;
  padding-left: 1.45em;
}

.message-bubble__content li + li {
  margin-top: 0.24em;
}

.message-bubble__content a,
.ac-link {
  color: var(--accent-strong);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 110, 241, 0.28);
}

.message-bubble__content a:hover,
.ac-link:hover {
  color: var(--accent);
  border-bottom-color: rgba(39, 110, 241, 0.48);
}

.message-bubble__content blockquote {
  margin: 0 0 0.95em;
  padding: 0.9em 1em;
  border-left: 3px solid rgba(39, 110, 241, 0.42);
  background: #f6faff;
  border-radius: 12px;
  color: #3b4b67;
}

.message-bubble__content pre,
.ac-code-block {
  margin: 0 0 0.95em;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #f7f9fc;
}

.message-bubble__content :not(pre) > code,
.ac-inline-code {
  padding: 0.18em 0.45em;
  border-radius: 8px;
  background: rgba(39, 110, 241, 0.08);
  font-family: var(--font-mono);
  font-size: 0.92em;
  color: #274f96;
}

.ac-code-label {
  padding: 10px 12px;
  font-size: 10px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--line);
  background: #f2f5f9;
}

.message-bubble__content pre code,
.ac-code-block code {
  display: block;
  padding: 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.message-bubble__content hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 1em 0;
}

.message-bubble__content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 0.95em;
  border-radius: 12px;
  overflow: hidden;
}

.message-bubble__content th,
.message-bubble__content td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  text-align: left;
}

.message-bubble__content th {
  background: #f2f6fd;
}

.message-bubble__meta {
  margin-top: 10px;
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
}

.message-bubble__status {
  font-size: 10px;
}

.message-bubble__status.is-pending {
  color: var(--accent-orange);
}

.message-bubble__status.is-failed {
  color: var(--danger);
}

.session-card__composer {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 10px 12px 12px;
  border-top: 1px solid var(--line);
  background: var(--panel);
}

.session-card__composer.is-dragover {
  background: color-mix(in srgb, var(--panel) 88%, #eef4ff);
}

.composer-input,
.field__control {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  color: var(--text);
  padding: 10px 11px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.composer-input::placeholder,
.field__control::placeholder {
  color: #97a3b4;
}

.composer-input {
  resize: vertical;
  min-height: 70px;
  max-height: 200px;
  line-height: 1.45;
}

.composer-input:hover,
.field__control:hover {
  border-color: var(--line-strong);
}

.composer-input:focus,
.field__control:focus {
  border-color: rgba(39, 110, 241, 0.5);
  box-shadow: var(--ring);
  background: #ffffff;
}

.composer-image-preview.is-hidden {
  display: none;
}

.composer-image-preview__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.composer-image-item {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface-muted);
}

.composer-image-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.composer-image-item__remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 0;
  background: rgba(23, 34, 52, 0.78);
  color: #fff;
  font-size: 14px;
  line-height: 1;
}

.composer-submit-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  border: 0;
  white-space: nowrap;
}

.composer-send {
  min-height: 34px;
  padding: 8px 12px;
  line-height: 1.15;
}

.connection-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(320px, 0.84fr);
  gap: 12px;
  align-items: start;
}

.connection-panel {
  position: relative;
  border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--line) 92%, #ffffff);
  background: color-mix(in srgb, var(--panel) 82%, var(--bg));
  padding: 14px 16px;
  box-shadow: 0 1px 0 rgba(23, 34, 52, 0.02);
}

.connection-panel--status,
.connection-log-panel {
  background: color-mix(in srgb, var(--panel) 68%, var(--bg));
}

.connection-panel__header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.connection-panel__header--split {
  align-items: flex-start;
}

.connection-panel__eyebrow {
  color: var(--accent);
  font-size: 10px;
  margin-bottom: 6px;
}

.connection-panel__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2vw, 19px);
  line-height: 1.12;
  letter-spacing: 0;
}

.connection-panel__copy {
  margin: 7px 0 0;
  max-width: 40ch;
  font-size: 12.5px;
  line-height: 1.5;
}

.connection-panel__badge,
.connection-log-panel__label,
.status-meta-row__hint {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.connection-form-layout {
  margin-top: 14px;
  display: grid;
  gap: 14px;
}

.connection-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 14px;
}

.connection-fields--settings {
  align-items: start;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field--wide {
  grid-column: 1 / -1;
}

.field__label {
  color: var(--text-dim);
  font-size: 9.5px;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field__control {
  height: 42px;
  min-height: 42px;
  padding: 0 12px;
  line-height: 1.2;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.82);
}

.connection-panel .primary-button,
.connection-panel .ghost-button,
.connection-log-panel .ghost-button {
  min-height: 36px;
  padding: 8px 14px;
  font-size: 13px;
  line-height: 1.1;
}

.connection-actions-panel {
  display: grid;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  background: transparent;
}

.connection-actions-panel__summary {
  display: grid;
  gap: 4px;
}

.connection-actions-panel__label {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.connection-actions-panel__copy {
  margin: 0;
  max-width: none;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.45;
}

.connection-actions {
  margin-top: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.connection-actions__secondary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.connection-actions .primary-button {
  min-width: 112px;
}

.connection-actions .ghost-button {
  background: rgba(255, 255, 255, 0.72);
}

.connection-actions .ghost-button:hover {
  background: #ffffff;
}

.connection-panel--status .connection-panel__copy {
  max-width: none;
}

.status-pill {
  gap: 8px;
  height: 32px;
  min-height: 32px;
  padding: 0 12px;
  font-size: 10px;
}

.status-hero {
  position: relative;
  margin-top: 14px;
  padding: 0 0 12px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.status-hero::before {
  display: none;
}

.status-hero__eyebrow {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-hero__main {
  margin-top: 8px;
  display: grid;
  gap: 4px;
}

.status-hero__main strong {
  display: block;
  font-size: clamp(17px, 2vw, 19px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.status-hero__main p {
  margin: 0;
  color: var(--text-muted);
  font-size: 12.5px;
  line-height: 1.5;
}

.status-hero.is-connected .status-hero__eyebrow {
  color: var(--accent-green);
}

.status-hero.is-connecting .status-hero__eyebrow,
.status-hero.is-reconnecting .status-hero__eyebrow {
  color: var(--accent-orange);
}

.status-hero.is-error .status-hero__eyebrow {
  color: var(--danger);
}

.status-meta-list {
  margin-top: 6px;
  display: grid;
}

.status-meta-row {
  display: grid;
  gap: 5px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(166, 178, 197, 0.42);
}

.status-meta-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.status-meta-row__topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.status-meta-row__label {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-meta-row__value {
  display: grid;
  gap: 4px;
}

.status-meta-row__value strong {
  font-size: 14px;
  line-height: 1.32;
  letter-spacing: -0.01em;
}

.status-meta-row__value span {
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.45;
}

.status-meta-row--event {
  margin-top: 2px;
  padding-top: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.34) 0%, rgba(255, 255, 255, 0) 100%);
}

.status-meta-row__value--event strong {
  font-size: 14px;
  line-height: 1.42;
}

.connection-log-panel__header {
  align-items: flex-start;
}

.connection-log-panel__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.connection-log-meta {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.connection-log-meta__title {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.connection-log-meta__hint {
  color: var(--text-dim);
  font-size: 11.5px;
}

.connection-log-list {
  margin: 10px 0 0;
  min-height: 156px;
  max-height: 260px;
  overflow-y: auto;
  padding: 0;
  background: transparent;
  display: flex;
  flex-direction: column;
  gap: 6px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.connection-log-list__empty {
  padding: 16px 14px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--text-muted);
  font-size: 12.5px;
  line-height: 1.5;
  background: rgba(255, 255, 255, 0.34);
}

.connection-log-entry {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 9px 11px 9px 13px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
  transition: border-color 160ms ease, background-color 160ms ease;
}

.connection-log-entry::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 999px;
  background: #c9d4e4;
}

.connection-log-entry.is-info {
  border-color: #d7e2f7;
  background: rgba(244, 248, 255, 0.9);
}

.connection-log-entry.is-info::before {
  background: #77a5ff;
}

.connection-log-entry.is-error {
  border-color: #f1c6d0;
  background: rgba(255, 242, 245, 0.92);
}

.connection-log-entry.is-error::before {
  background: var(--danger);
}

.connection-log-entry.is-success {
  border-color: #b8ddd2;
  background: rgba(235, 248, 244, 0.92);
}

.connection-log-entry.is-success::before {
  background: var(--accent-green);
}

.connection-log-entry__meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  margin-bottom: 0;
  font-size: 9.5px;
  color: var(--text-dim);
}

.connection-log-entry__time,
.connection-log-entry__tone {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  padding: 0 7px;
  border-radius: 999px;
}

.connection-log-entry__time {
  background: rgba(255, 255, 255, 0.66);
}

.connection-log-entry__tone {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text-muted);
  text-transform: uppercase;
}

.connection-log-entry.is-error .connection-log-entry__tone {
  border-color: #efc3cc;
  color: var(--danger);
}

.connection-log-entry.is-success .connection-log-entry__tone {
  border-color: #b8ddd2;
  color: var(--accent-green);
}

.connection-log-entry__text {
  color: var(--text);
  line-height: 1.48;
  font-size: 12.5px;
  word-break: break-word;
}

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.45;
  }
  100% {
    opacity: 1;
  }
}

@media (max-width: 1280px) {
  :root {
    --session-card-height: 620px;
  }

  .connection-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .workspace-tabs {
    flex-basis: 100%;
  }

  .workspace-toolbar__session-creator {
    flex: 1 1 auto;
  }

  .workspace-toolbar__status-actions {
    margin-left: 0;
    align-self: flex-start;
  }

  .connection-badge {
    align-self: flex-start;
  }

  .new-session-form {
    grid-template-columns: minmax(120px, 150px) minmax(160px, 1fr) auto;
  }

  .connection-fields {
    grid-template-columns: 1fr;
  }

  .field--wide {
    grid-column: auto;
  }
}

@media (max-width: 880px) {
  :root {
    --session-card-height: 580px;
  }

  .app-shell {
    padding: 14px;
  }

  .workspace-toolbar,
  .workspace-panel {
    padding: 14px;
    border-radius: 16px;
  }

  .workspace-toolbar {
    align-items: stretch;
  }

  .workspace-toolbar__session-creator {
    flex: 1 1 100%;
  }

  .workspace-toolbar__status-actions {
    width: fit-content;
    margin-left: 0;
    align-self: flex-start;
  }

  .connection-badge {
    align-self: flex-start;
  }

  .new-session-form {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .new-session-form__submit {
    width: 100%;
  }

  .workspace-tab {
    flex: 1 1 calc(50% - 4px);
    min-width: 0;
  }

  .connection-panel {
    padding: 14px 15px;
  }

  .connection-panel__header,
  .connection-actions,
  .connection-actions__secondary,
  .connection-log-panel__actions,
  .connection-log-meta {
    flex-direction: column;
    align-items: stretch;
  }

  .connection-panel__badge,
  .connection-log-panel__label,
  .status-pill,
  .status-meta-row__hint {
    width: fit-content;
  }

  .status-meta-row__topline {
    align-items: flex-start;
  }

  .status-hero {
    padding-bottom: 10px;
  }

  .session-card__topline {
    align-items: start;
  }

  .session-card__identity {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .session-card__keyline {
    max-width: none;
    justify-self: stretch;
  }

  .session-card__time {
    white-space: normal;
  }

  .session-card__composer {
    padding: 9px 10px 10px;
  }

  .composer-input {
    min-height: 64px;
    padding: 9px 10px;
  }

  .composer-send {
    min-height: 32px;
    padding: 7px 11px;
  }
}

@media (max-width: 560px) {
  .workspace-tab,
  .ghost-button,
  .primary-button {
    width: 100%;
  }

  .workspace-toolbar__status-actions {
    width: 100%;
  }

  .workspace-toolbar__status-actions .ghost-button,
  .workspace-toolbar__status-actions .connection-badge {
    width: auto;
  }

  .session-card {
    height: 560px;
  }

  .session-card__composer .composer-send {
    width: auto;
  }
}

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