.main.session-main {
  height: 100dvh;
  padding: 0;
  overflow: hidden;
}
.session-main .admin-views,
.session-main .admin-view,
.session-root {
  height: 100%;
  min-height: 0;
}
.session-root {
  padding: 36px clamp(16px, 3vw, 42px) 16px;
}
.session-library {
  height: 100%;
  overflow: auto;
}
.session-markdown table {
  display: block;
  overflow-x: auto;
}
@media (max-width: 900px) {
  .app-shell.session-active {
    height: 100dvh;
    min-height: 0;
    overflow: hidden;
  }
  .app-shell.session-active .sidebar {
    flex: 0 0 auto;
  }
  .main.session-main {
    flex: 1 1 0;
    height: auto;
    min-height: 0;
  }
  .session-root {
    padding: 24px 20px 12px;
  }
}
@media (max-width: 700px) {
  .session-root {
    padding: 16px 12px 8px;
  }
}
@media (max-width: 600px) {
  .app-shell.session-active .sidebar {
    padding: 10px 12px;
    gap: 8px;
  }
  .app-shell.session-active .brand {
    flex-direction: row;
    justify-content: flex-start;
    text-align: left;
  }
  .app-shell.session-active .brand-mark {
    width: 34px;
    height: 34px;
  }
  .app-shell.session-active .section-nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 4px;
  }
  .app-shell.session-active .nav-link {
    justify-content: center;
    min-height: 34px;
    padding: 6px 4px;
    text-align: center;
    font-size: 11px;
  }
}

.session-shell {
  height: 100%;
  min-height: 0;
}

.session-library-header,
.session-header-row,
.session-controls,
.session-composer-actions,
.session-message-label {
  display: flex;
  align-items: center;
}

.session-library-header,
.session-header-row,
.session-composer-actions,
.session-message-label {
  justify-content: space-between;
}

.session-library-header {
  gap: 24px;
  margin: 0 auto 24px;
  max-width: 920px;
}

.session-library-header h2 {
  margin: 0;
  font-size: 30px;
}

.session-library-header p,
.session-card p {
  color: var(--muted);
}

.session-library-header p {
  margin: 7px 0 0;
}

.session-search,
.session-list,
.session-load-more,
.session-notice {
  width: 100%;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}

.session-search,
.session-load-more {
  display: block;
}

.session-search {
  min-height: 44px;
  margin-bottom: 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--input);
  padding: 10px 14px;
}

.session-list {
  display: grid;
  gap: 10px;
}

.session-card {
  display: grid;
  width: 100%;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  padding: 17px 19px;
  text-align: left;
  cursor: pointer;
}

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

.session-card p {
  overflow: hidden;
  margin: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-card span {
  color: var(--muted);
  font-size: 12px;
}

.session-load-more {
  margin-top: 18px;
}

.session-shell {
  display: grid;
  grid-template-areas:
    "header"
    "notice"
    "transcript"
    "composer";
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  position: relative;
}

.session-header {
  grid-area: header;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.session-header-row {
  gap: 12px;
}

.session-title {
  flex: 1;
  min-width: 0;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  padding: 7px 10px;
  color: var(--text-strong);
  font-size: 19px;
  font-weight: 700;
}

.session-title:hover,
.session-title:focus {
  border-color: var(--line-strong);
  background: var(--input);
}

.session-back-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.session-back-button:hover {
  color: var(--text);
}

.session-controls {
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.session-control {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.session-control select,
.session-model-input {
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--input);
  padding: 7px 10px;
  color: var(--text);
  text-transform: none;
}

.session-model-control {
  flex: 1 1 360px;
  max-width: 520px;
}

.session-model-control .model-combobox input[type="text"] {
  width: 100%;
  padding-right: 44px;
}

.session-model-control .model-combobox {
  text-transform: none;
}

.session-model-control .model-combobox-toggle {
  height: 38px;
}

.session-controls.code-session-controls {
  display: grid;
  grid-template-columns: minmax(110px, 1fr) minmax(180px, 2fr) minmax(
      80px,
      0.65fr
    ) minmax(84px, 0.65fr) minmax(124px, 1fr);
}
.code-session-controls .session-control,
.code-session-controls select {
  min-width: 0;
}
.code-session-controls .session-model-control {
  max-width: none;
  grid-column: auto;
}
@media (max-width: 1100px) {
  .session-controls.code-session-controls {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .code-session-controls .session-model-control {
    grid-column: span 2;
  }
}
@media (max-width: 700px) {
  .session-controls.code-session-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .code-session-controls .session-model-control {
    grid-column: auto;
  }
}

.session-notice {
  grid-area: notice;
  margin-top: 12px;
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: var(--muted);
  font-size: 13px;
}

.session-transcript {
  grid-area: transcript;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 24px 0 30px;
  scroll-behavior: auto;
}

.session-message {
  max-width: 1120px;
  margin: 0 0 22px;
  border-radius: var(--radius-lg);
}

.user-message {
  margin-left: auto;
  max-width: min(680px, 88%);
  background: var(--panel-strong);
  padding: 14px 17px;
}

.assistant-message {
  padding: 2px 4px;
}

.session-message-label {
  gap: 12px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.session-message-plain,
.session-markdown {
  overflow-wrap: anywhere;
  line-height: 1.65;
  white-space: pre-wrap;
}

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

.session-markdown > :first-child {
  margin-top: 0;
}

.session-markdown > :last-child {
  margin-bottom: 0;
}

.session-markdown pre {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--input);
  padding: 13px;
}

.session-markdown code {
  border-radius: 4px;
  background: var(--input);
  padding: 0.12em 0.3em;
}

.session-markdown pre code {
  padding: 0;
}

.session-markdown a {
  color: var(--info);
}

.session-thinking {
  margin: 12px 0;
  border-left: 2px solid var(--line-strong);
  padding: 4px 0 4px 14px;
  color: var(--muted);
}

.session-thinking summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.session-generation-status {
  margin-top: 12px;
  border: 1px solid var(--warn-border);
  border-radius: var(--radius-sm);
  background: var(--warn-bg);
  padding: 9px 11px;
  color: var(--warn);
  font-size: 13px;
}

.session-generation-status.failed {
  border-color: var(--error-border);
  background: var(--error-bg);
  color: var(--error);
}

.session-composer {
  grid-area: composer;
  margin: 8px 0 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--input);
  padding: 10px 12px 9px;
}

.session-composer:focus-within {
  border-color: var(--accent);
  background: var(--input-focus);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.session-composer textarea {
  display: block;
  width: 100%;
  min-height: calc(3em + 8px);
  max-height: calc(9em + 8px);
  resize: none;
  overflow-y: hidden;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 4px 2px;
  line-height: 1.5;
  outline: none;
}

.session-composer-actions {
  justify-content: flex-end;
  gap: 12px;
  margin-top: 4px;
}

.code-context-usage {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.code-activity {
  color: var(--muted);
  font-size: 14px;
  padding: 12px 0;
}

.code-control-error {
  color: var(--error);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.code-selection-error {
  grid-column: 1 / -1;
}

.session-older {
  display: block;
  margin: 0 auto 24px;
}

.session-empty {
  display: grid;
  place-items: center;
  gap: 8px;
  min-height: 220px;
  color: var(--muted);
  text-align: center;
}

.danger-button {
  min-height: 38px;
  border: 1px solid var(--error-border);
  border-radius: var(--radius-sm);
  background: var(--error-bg);
  padding: 8px 13px;
  color: var(--error);
  cursor: pointer;
  font-weight: 700;
}

@media (max-width: 900px) {
  .session-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .session-model-control {
    grid-column: 1 / -1;
  }

  .session-model-control {
    max-width: none;
  }
}

@media (max-width: 700px) {
  .session-shell {
    grid-template-rows: auto auto minmax(0, 1fr) auto;
  }

  .session-library-header {
    align-items: flex-start;
  }

  .session-header-row {
    flex-wrap: wrap;
  }

  .session-title {
    order: 3;
    flex-basis: 100%;
  }

  .session-controls {
    grid-template-columns: 1fr;
  }

  .session-model-control {
    grid-column: auto;
  }

  .session-transcript {
    padding-left: 0;
    padding-right: 0;
  }

  .session-composer {
    margin-left: 0;
    margin-right: 0;
  }
}