:root {
  --bg: #f7f9fb;
  --surface: #ffffff;
  --surface-soft: #eef7f5;
  --text: #17211f;
  --muted: #66736f;
  --line: #dce5e2;
  --primary: #087f74;
  --primary-dark: #075f58;
  --amber: #c78318;
  --danger: #b42318;
  --success: #15803d;
  --shadow: 0 18px 50px rgba(18, 38, 34, .08);
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

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

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: .55;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  padding: 11px 12px;
  outline: none;
}

textarea {
  min-height: 116px;
  resize: vertical;
  line-height: 1.55;
}

label {
  display: block;
  color: #42504d;
  font-size: 13px;
  font-weight: 700;
  margin: 14px 0 7px;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 22px 0;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: #102522;
  color: #effaf7;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 4px 16px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
}

.brand strong,
.brand span {
  display: block;
}

.brand span {
  color: #a8c2bd;
  font-size: 12px;
  margin-top: 3px;
}

.nav {
  display: grid;
  gap: 5px;
}

.nav-item {
  text-align: left;
  border-radius: var(--radius);
  padding: 11px 12px;
  color: #d8e9e5;
  background: transparent;
  display: grid;
  gap: 2px;
}

.nav-item small {
  color: #91aaa4;
  font-size: 11px;
}

.nav-item.active,
.nav-item:hover {
  background: #1d403b;
  color: #fff;
}

.sidebar-note {
  margin-top: auto;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 12px;
  background: rgba(255,255,255,.04);
}

.sidebar-note span,
.sidebar-note strong {
  display: block;
}

.sidebar-note span {
  color: #a8c2bd;
  font-size: 12px;
  margin-bottom: 5px;
}

.workspace {
  padding: 24px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

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

h1 {
  font-size: 30px;
  line-height: 1.15;
}

h2 {
  font-size: 20px;
  line-height: 1.25;
}

h3 {
  font-size: 15px;
}

p {
  color: var(--muted);
  line-height: 1.6;
}

.topbar-actions,
.inline,
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.primary,
.ghost,
.download,
.quick-flow button {
  border-radius: var(--radius);
  padding: 11px 14px;
  font-weight: 800;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
}

.primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 18px rgba(8, 127, 116, .18);
}

.primary:hover {
  background: var(--primary-dark);
}

.ghost,
.download,
.quick-flow button {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--line);
}

.flow-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 18px;
}

.flow-actions .primary {
  min-width: 168px;
}

.context-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f7fbfa;
  color: var(--muted);
  padding: 11px 12px;
  margin: 12px 0;
  line-height: 1.5;
}

.account-chip {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 8px 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.account-chip span {
  color: var(--muted);
}

.account-chip strong {
  color: var(--amber);
}

.account-chip button {
  background: #eef7f5;
  color: var(--primary-dark);
  border-radius: 6px;
  padding: 7px 9px;
  font-weight: 800;
}

.stepper {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.step {
  display: flex;
  align-items: center;
  gap: 9px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  color: var(--muted);
}

.step b {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #edf2f1;
  color: var(--text);
  font-size: 13px;
}

.step.active {
  border-color: rgba(8,127,116,.42);
  background: var(--surface-soft);
  color: var(--primary-dark);
}

.view {
  display: none;
  gap: 18px;
}

.view.active {
  display: grid;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

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

.metric-card {
  padding: 17px;
}

.metric-card span,
.metric-card small {
  display: block;
  color: var(--muted);
}

.metric-card strong {
  display: block;
  font-size: 28px;
  margin: 8px 0;
}

.panel {
  padding: 20px;
}

.grid {
  display: grid;
  gap: 18px;
}

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

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

.quick-flow {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.check-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.check-list li {
  padding-left: 24px;
  position: relative;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
}

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 16px 0 12px;
}

.tab {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  border-radius: var(--radius);
  padding: 9px 12px;
  font-weight: 800;
}

.tab.active {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.status {
  color: var(--muted);
  font-size: 13px;
  margin-top: 12px;
}

.helper-text {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.error-card {
  border: 1px solid #f0b8af;
  border-radius: var(--radius);
  background: #fff7f5;
  color: var(--danger);
  padding: 12px 14px;
  display: grid;
  gap: 6px;
  line-height: 1.45;
}

.error-card strong,
.error-card span,
.error-card small {
  display: block;
}

.error-card small {
  color: #7a3b34;
}

.source-list,
.asset-list,
.timeline {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.source-card,
.asset-item,
.timeline-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 12px;
}

.source-card {
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.source-card:hover,
.source-card:focus-visible,
.source-card.active {
  border-color: var(--primary);
  box-shadow: inset 0 0 0 1px var(--primary);
}

.source-card strong,
.source-card span,
.source-card small {
  display: block;
}

.source-card span {
  color: var(--muted);
  margin: 5px 0;
}

.source-card small {
  color: var(--primary-dark);
  font-weight: 800;
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

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

.insight-card.wide {
  grid-column: 1 / -1;
}

.insight-card h3 {
  margin-bottom: 8px;
}

.insight-card div {
  color: var(--muted);
  line-height: 1.55;
  white-space: pre-wrap;
}

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

.empty-state {
  min-height: 180px;
  border: 1px dashed #b8c6c2;
  border-radius: var(--radius);
  background: #fbfdfc;
  color: var(--muted);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
  line-height: 1.5;
}

.copy-card {
  display: grid;
  gap: 12px;
}

.copy-card section {
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.copy-card section:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.pill-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pill {
  border: 1px solid var(--line);
  background: #f8fbfa;
  border-radius: 999px;
  padding: 7px 10px;
  color: #40504c;
  font-size: 13px;
}

.asset-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.asset-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.asset-item.active {
  border-color: var(--primary);
  box-shadow: inset 0 0 0 1px var(--primary);
}

.asset-item img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 7px;
  background: #eef2f1;
}

.asset-item span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
  margin-top: 4px;
}

.delete-btn {
  justify-self: end;
  border: 1px solid #f0b8af;
  border-radius: 6px;
  background: #fff7f5;
  color: var(--danger);
  font-size: 12px;
  font-weight: 800;
  min-width: 64px;
  padding: 8px 10px;
}

.delete-btn:hover {
  background: #ffe9e5;
}

.preview-img {
  width: min(100%, 280px);
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  margin-top: 12px;
}

.video-wrap video {
  width: 100%;
  border-radius: var(--radius);
  background: #111;
}

.download {
  margin-top: 12px;
}

.checkbox-row label,
.check {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text);
}

.checkbox-row input,
.check input {
  width: auto;
}

.cost-table {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.cost-table div,
.timeline-item {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

.cost-table div {
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.cost-table strong {
  color: var(--amber);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(16, 37, 34, .48);
  display: grid;
  place-items: center;
  padding: 18px;
}

.modal-card {
  width: min(620px, 100%);
  max-height: 92vh;
  overflow: auto;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: 0 30px 90px rgba(0,0,0,.22);
  padding: 20px;
}

.icon-btn {
  background: #eef7f5;
  color: var(--primary-dark);
  border-radius: 6px;
  padding: 9px 11px;
  font-weight: 800;
}

.hidden {
  display: none !important;
}

@media (max-width: 1060px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

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

  .metric-grid,
  .grid.two,
  .asset-columns,
  .insight-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .workspace {
    padding: 14px;
  }

  .topbar,
  .panel-head {
    display: grid;
  }

  .stepper,
  .quick-flow,
  .form-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 24px;
  }
}