:root {
  --bg: #f3f4ef;
  --card: rgba(255, 255, 255, 0.98);
  --ink: #1f2a1f;
  --muted: #5d665d;
  --line: #d9dfd5;
  --brand: #1f5f3b;
  --brand-soft: #d8eadf;
  --brand-soft-2: #edf5ef;
  --blue: #2f68b0;
  --blue-soft: #eef4fb;
  --danger: #b5332f;
  --warn: #aa6e20;
  --shadow: 0 18px 38px rgba(18, 32, 21, 0.08);
  --radius-xl: 18px;
  --radius-lg: 14px;
  --radius-md: 10px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(31, 95, 59, 0.11), transparent 26%),
    linear-gradient(180deg, #f7f8f4 0%, var(--bg) 100%);
}

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

button,
.button-secondary {
  border-radius: 10px;
  padding: 11px 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

button:hover,
.button-secondary:hover {
  transform: translateY(-1px);
}

button {
  background: var(--brand);
  color: #fff;
}

.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-soft-2);
  color: var(--brand);
  border-color: var(--line);
  text-decoration: none;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  background: #fff;
  color: var(--ink);
}

textarea {
  resize: vertical;
  min-height: 110px;
}

.page-shell {
  max-width: none;
  margin: 0 auto;
  padding: 22px 20px 36px;
}

.hero-card,
.metric-card,
.surface-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.hero-copy {
  max-width: 980px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--brand);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.9rem, 2vw, 2.45rem);
}

h2 {
  font-size: 1.2rem;
}

h3 {
  font-size: 1.25rem;
}

.hero-note,
.muted {
  color: var(--muted);
}

.hero-note {
  margin-top: 10px;
  max-width: 920px;
  line-height: 1.55;
}

.hero-actions,
.inline-actions,
.composer-actions,
.file-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-actions {
  justify-content: flex-end;
}

.metrics-grid,
.workspace-grid,
.config-grid,
.summary-grid,
.two-column,
.three-column,
.filters,
.composer-grid,
.inline-metrics {
  display: grid;
  gap: 14px;
}

.tabs-nav {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tab-button {
  background: rgba(255, 255, 255, 0.78);
  color: var(--muted);
  border-color: var(--line);
}

.tab-button.is-active {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 10px 22px rgba(31, 95, 59, 0.16);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: grid;
}

.metrics-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 18px;
}

.metric-card {
  padding: 16px 18px;
  min-height: 128px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.metric-label,
.mini-label,
.summary-label,
.section-kicker {
  color: var(--muted);
}

.metric-value {
  font-size: 1.55rem;
  line-height: 1.15;
}

.metric-note {
  line-height: 1.4;
}

.workspace-grid {
  margin-top: 18px;
  align-items: start;
}

.workspace-grid-main {
  grid-template-columns: minmax(300px, 0.84fr) minmax(560px, 1.28fr) minmax(340px, 0.88fr);
}

.workspace-grid-studio {
  grid-template-columns: minmax(320px, 0.95fr) minmax(520px, 1.2fr) minmax(300px, 0.9fr);
}

.workspace-grid-manager {
  grid-template-columns: 320px minmax(0, 1fr) 340px;
  gap: 18px;
}

.manager-center-column {
  min-width: 0;
  display: grid;
  gap: 18px;
}

.workspace-grid-secondary {
  grid-template-columns: minmax(0, 1.28fr) minmax(380px, 0.92fr);
}

.workspace-grid-bottom {
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
}

.compact-library {
  grid-template-columns: 1fr;
}

.surface-card {
  padding: 18px;
}

.stage-editor-panel,
.chat-panel,
.workflow-panel,
.manager-panel,
.stage-preview-panel,
.image-studio-panel {
  min-height: 100%;
}

.manager-panel,
.workflow-panel {
  align-self: start;
}

.checkbox-list-tight {
  grid-template-columns: 1fr;
  gap: 10px;
}

.checkbox-list-tight label {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
}

.stage-order-actions {
  margin-top: 8px;
}

.image-studio-frame {
  width: 100%;
  min-height: 980px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
}

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

.surface-head-actions {
  display: grid;
  gap: 10px;
  justify-items: end;
}

.mode-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f8faf7;
}

.mode-toggle-btn {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  box-shadow: none;
}

.mode-toggle-btn.is-active {
  background: var(--brand);
  color: #fff;
}

.session-banner-inline {
  margin-bottom: 14px;
}

.image-studio-main-panel {
  min-width: 0;
}

.image-studio-metrics {
  margin-bottom: 14px;
}

.surface-head p {
  margin-top: 4px;
}

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

.mini-metric,
.summary-card,
.soft-block,
.session-banner,
.manual-base-banner {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8faf7;
}

.mini-metric,
.summary-card {
  padding: 12px 13px;
  display: grid;
  gap: 6px;
}

.summary-card strong,
.mini-metric strong {
  font-size: 1.05rem;
}

.block-stack {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.soft-block {
  padding: 14px;
  display: grid;
  gap: 12px;
}

.soft-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--brand-soft-2);
  color: var(--brand);
  border: 1px solid var(--line);
  font-size: 0.86rem;
  line-height: 1.25;
}

.chip.is-blue {
  background: var(--blue-soft);
  color: var(--blue);
}

.chip.is-warn {
  background: #fff7dd;
  color: var(--warn);
}

.chip.is-danger {
  background: #fff1f0;
  color: var(--danger);
}

.reference-list,
.history-list,
.stack-list,
.ddo-list,
.image-gallery {
  display: grid;
  gap: 12px;
}

.reference-card,
.history-card,
.stack-item,
.ddo-item,
.image-card,
.item-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.reference-card {
  padding: 14px;
  display: grid;
  gap: 10px;
}

.reference-head,
.history-head,
.history-meta,
.chat-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.reference-title {
  font-size: 1rem;
  line-height: 1.35;
}

.reference-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.reference-summary {
  color: var(--muted);
  line-height: 1.45;
}

.reference-link,
.history-link,
.text-link {
  color: var(--brand);
  font-weight: 700;
  text-decoration: none;
}

.config-grid {
  grid-template-columns: minmax(220px, 1fr) minmax(180px, 220px) minmax(240px, 1fr);
  margin-bottom: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-weight: 600;
}

.field-file {
  align-content: start;
}

.toggle-card,
.toggle-line {
  display: flex;
  gap: 12px;
  align-items: center;
}

.toggle-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8faf7;
  padding: 12px 14px;
}

.toggle-card input,
.toggle-line input {
  width: auto;
}

.toggle-card strong {
  display: block;
  margin-bottom: 4px;
}

.toggle-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.session-banner {
  padding: 13px 14px;
  display: grid;
  gap: 5px;
}

.stage-artifact-preview {
  min-height: 220px;
  border: 1px dashed rgba(47, 104, 176, 0.22);
  border-radius: 16px;
  background:
    radial-gradient(circle at top right, rgba(47, 104, 176, 0.08), transparent 34%),
    #fcfdfc;
  display: grid;
  align-items: center;
}

.stage-artifact-card {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.stage-artifact-image {
  width: 100%;
  max-height: 380px;
  object-fit: contain;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, #eef3ee, #dde7df);
}

.stage-artifact-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.stage-output-box {
  margin: 0;
  min-height: 220px;
  max-height: 440px;
  overflow: auto;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid #d6dde8;
  background: #122033;
  color: #eef5ff;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.9rem;
  line-height: 1.45;
}

.chat-messages {
  min-height: 540px;
  max-height: 940px;
  overflow: auto;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    radial-gradient(circle at top right, rgba(47, 104, 176, 0.07), transparent 34%),
    #fbfcfa;
  display: grid;
  gap: 12px;
}

.agent-thread-messages {
  min-height: 360px;
  max-height: 920px;
  overflow: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    radial-gradient(circle at top left, rgba(31, 95, 59, 0.06), transparent 30%),
    radial-gradient(circle at bottom right, rgba(47, 104, 176, 0.05), transparent 28%),
    #fbfcfa;
  display: grid;
  gap: 12px;
}

.agent-thread-divider {
  display: flex;
  justify-content: center;
  margin: 8px 0 2px;
}

.agent-thread-divider span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  max-width: 92%;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 8px 16px rgba(15, 25, 17, 0.05);
}

.agent-thread-bubble {
  max-width: min(94%, 1000px);
}

.agent-thread-bubble.is-system {
  margin: 0 auto;
  background: #fff;
}

.agent-thread-bubble.is-left {
  margin-right: auto;
}

.agent-thread-bubble.is-right {
  margin-left: auto;
  background: var(--blue-soft);
  border-color: rgba(47, 104, 176, 0.14);
}

.agent-thread-route {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.agent-thread-body {
  line-height: 1.6;
  white-space: pre-wrap;
}

.agent-thread-media {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

.agent-thread-media-card {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.agent-thread-media-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, #eef3ee, #dde7df);
}

.agent-thread-media-card a {
  color: var(--brand);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}

.agent-thread-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.chat-bubble {
  max-width: min(92%, 900px);
  padding: 14px 15px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 6px 18px rgba(15, 25, 17, 0.05);
}

.chat-bubble.is-user {
  margin-left: auto;
  background: var(--blue-soft);
  border-color: rgba(47, 104, 176, 0.14);
}

.chat-bubble.is-assistant {
  margin-right: auto;
}

.chat-meta {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 0.86rem;
}

.chat-body {
  line-height: 1.55;
  white-space: pre-wrap;
}

.chat-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #f6f8f6;
  color: var(--muted);
  font-size: 0.84rem;
  text-decoration: none;
}

.composer {
  margin-top: 16px;
  display: grid;
  gap: 14px;
}

.composer-grid {
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
}

.attachment-chip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.attachment-chip-item {
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 600;
  font-size: 0.9rem;
}

.linked-assets-preview {
  display: grid;
  gap: 10px;
}

.linked-assets-preview.is-empty {
  color: var(--muted);
  font-size: 0.92rem;
}

.linked-asset-card {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfcfa;
}

.linked-asset-card img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
}

.linked-asset-meta {
  min-width: 0;
}

.linked-asset-meta strong,
.linked-asset-meta .muted {
  display: block;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #f8faf7;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  text-align: center;
}

.pill-brand {
  background: var(--brand-soft-2);
  color: var(--brand);
}

.summary-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.summary-grid-studio {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.details-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
}

.details-card summary {
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  padding: 13px 14px;
  background: #f8faf7;
}

.details-card summary::-webkit-details-marker {
  display: none;
}

.result-box {
  margin: 0;
  padding: 14px;
  min-height: 120px;
  max-height: 360px;
  overflow: auto;
  background: #142117;
  color: #eef7f0;
  white-space: pre-wrap;
  word-break: break-word;
}

.strategy-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
  gap: 14px;
  margin-bottom: 14px;
}

.strategy-main,
.strategy-side {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  background: #fbfcfa;
}

.strategy-main h3 {
  margin-top: 6px;
}

.strategy-side {
  display: grid;
  gap: 12px;
}

.plain-paragraph {
  line-height: 1.6;
}

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

.ddo-list {
  align-content: start;
}

.ddo-item,
.stack-item {
  padding: 12px;
  display: grid;
  gap: 8px;
}

.ddo-title {
  font-weight: 700;
  line-height: 1.4;
}

.ddo-meta,
.stack-item p,
.stack-item span {
  color: var(--muted);
  line-height: 1.45;
}

.stack-item strong {
  line-height: 1.35;
}

.image-gallery {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.pipeline-banner {
  margin: 14px 0 18px;
  padding: 14px 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(21, 88, 192, 0.08), rgba(31, 95, 59, 0.08));
  border: 1px solid rgba(47, 104, 176, 0.16);
  color: var(--ink);
  line-height: 1.5;
}

.workflow-sequence-list {
  display: grid;
  gap: 12px;
  max-height: 780px;
  overflow: auto;
  padding-right: 2px;
}

.workflow-stage-card {
  width: 100%;
  display: grid;
  gap: 10px;
  padding: 14px;
  text-align: left;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  box-shadow: 0 10px 24px rgba(15, 25, 17, 0.05);
}

.workflow-stage-card.is-selected {
  border-color: rgba(47, 104, 176, 0.34);
  box-shadow: inset 0 0 0 1px rgba(47, 104, 176, 0.18), 0 12px 28px rgba(47, 104, 176, 0.08);
}

.workflow-stage-card.is-active {
  background: linear-gradient(180deg, rgba(47, 104, 176, 0.06), rgba(31, 95, 59, 0.03));
}

.workflow-stage-card-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.workflow-stage-order {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--brand-soft-2);
  color: var(--brand);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.workflow-stage-chat-name {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.workflow-stage-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.pipeline-stages,
.pipeline-children,
.trace-stack {
  display: grid;
  gap: 14px;
}

.pipeline-stage {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(15, 25, 17, 0.05);
}

.pipeline-stage.is-child {
  background: #f9fbff;
  border-color: #d9e4f6;
}

.pipeline-stage-head,
.pipeline-stage-actions {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  flex-wrap: wrap;
}

.pipeline-stage-meta,
.pipeline-stage-summary,
.pipeline-block p,
.trace-row span,
.pipeline-pre {
  color: var(--muted);
  line-height: 1.5;
}

.pipeline-stage-summary {
  margin-top: 10px;
}

.pipeline-stage-actions {
  justify-content: flex-end;
}

.pipeline-block {
  margin-top: 12px;
  display: grid;
  gap: 6px;
}

.pipeline-details {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #f8faf7;
}

.pipeline-details summary {
  cursor: pointer;
  font-weight: 700;
  padding: 12px 14px;
  list-style: none;
}

.pipeline-details summary::-webkit-details-marker {
  display: none;
}

.pipeline-pre {
  margin: 0;
  padding: 0 14px 14px;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.9rem;
}

.trace-row {
  display: grid;
  gap: 8px;
}

.trace-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pipeline-error {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #fff1f0;
  color: var(--danger);
  border: 1px solid rgba(181, 51, 47, 0.15);
}

.image-card {
  overflow: hidden;
}

.image-preview {
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, #eef3ee, #dde7df);
  overflow: hidden;
}

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

.image-body {
  padding: 14px;
  display: grid;
  gap: 10px;
}

.image-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.image-slot {
  font-size: 1rem;
  line-height: 1.35;
}

.image-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.image-copy {
  color: var(--muted);
  line-height: 1.45;
}

.variant-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filters {
  grid-template-columns: minmax(260px, 1fr) minmax(180px, 220px) 160px;
}

.action-field {
  align-content: end;
}

.manual-base-banner {
  margin: 14px 0;
  padding: 12px 14px;
  font-weight: 600;
}

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

.item-card {
  width: 100%;
  padding: 12px;
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 12px;
  text-align: left;
  color: inherit;
}

.item-card.is-selected {
  border-color: var(--brand);
  background: #fbfdfb;
  box-shadow: inset 0 0 0 1px rgba(31, 95, 59, 0.2);
}

.item-thumb {
  width: 82px;
  height: 82px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, #eef3ee, #dfe8e0);
}

.item-card-body {
  min-width: 0;
  display: grid;
  gap: 8px;
}

.item-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 0.86rem;
}

.mini-btn {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--brand-soft-2);
  color: var(--brand);
  border: 1px solid var(--line);
  font-size: 0.83rem;
  font-weight: 700;
}

.history-card {
  padding: 14px;
  display: grid;
  gap: 8px;
}

.history-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.empty-state {
  padding: 16px;
  border-radius: 12px;
  border: 1px dashed var(--line);
  background: #fbfcfa;
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 50;
  min-width: 280px;
  max-width: min(420px, calc(100vw - 36px));
  padding: 14px 16px;
  border-radius: 14px;
  background: #15231a;
  color: #eef7f0;
  box-shadow: 0 16px 36px rgba(21, 35, 26, 0.24);
}

.toast.is-error {
  background: #6b201c;
}

.toast.is-success {
  background: #13472e;
}

.is-hidden {
  display: none !important;
}

@media (max-width: 1440px) {
  .workspace-grid-manager,
  .workspace-grid-studio,
  .workspace-grid-main,
  .workspace-grid-secondary,
  .workspace-grid-bottom {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 1100px) {
  .config-grid,
  .composer-grid,
  .filters,
  .item-grid,
  .image-gallery,
  .three-column,
  .strategy-hero,
  .inline-metrics,
  .summary-grid-studio {
    grid-template-columns: 1fr;
  }

  .summary-grid,
  .two-column,
  .agent-thread-media {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .page-shell {
    padding: 14px 12px 24px;
  }

  .hero-card,
  .surface-card,
  .metric-card {
    padding: 16px;
  }

  .hero-card {
    flex-direction: column;
  }

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

  .chat-bubble {
    max-width: 100%;
  }

  .item-card {
    grid-template-columns: 68px minmax(0, 1fr);
  }

  .item-thumb {
    width: 68px;
    height: 68px;
  }
}