:root {
  --bg: #f5f8fd;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --surface-muted: #eef3fb;
  --text: #13213d;
  --muted: #66748f;
  --border: rgba(19, 33, 61, 0.08);
  --border-strong: rgba(19, 33, 61, 0.14);
  --blue: #235bff;
  --blue-soft: #eef3ff;
  --teal: #0ea5a3;
  --shadow: 0 24px 50px rgba(35, 61, 112, 0.09);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(35, 91, 255, 0.12), transparent 28%),
    radial-gradient(circle at bottom right, rgba(14, 165, 163, 0.12), transparent 24%),
    var(--bg);
}

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

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 28px 22px;
  border-right: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.74);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #4a89ff);
  box-shadow: 0 16px 30px rgba(35, 91, 255, 0.24);
}

.brand-name,
.brand-subtitle,
.eyebrow,
.section-label,
.sidebar-card-label,
.message-role,
.compact-row h3 {
  margin: 0;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 0.92rem;
}

.primary-action,
.secondary-action,
.ghost-action {
  border: 0;
  border-radius: 14px;
  transition: 180ms ease;
}

.primary-action {
  padding: 14px 18px;
  color: #fff;
  font-weight: 700;
  background: linear-gradient(135deg, var(--blue), #3d7aff);
  box-shadow: 0 16px 30px rgba(35, 91, 255, 0.22);
}

.primary-action:hover,
.secondary-action:hover,
.ghost-action:hover,
.nav-item:hover {
  transform: translateY(-1px);
}

.secondary-action,
.ghost-action {
  padding: 12px 14px;
  font-weight: 700;
  color: var(--text);
  background: var(--surface-muted);
}

.nav-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 24px;
}

.nav-item {
  text-align: left;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
  color: var(--muted);
  background: transparent;
  font-weight: 700;
}

.nav-item.active {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.sidebar-card {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 16px 32px rgba(31, 57, 102, 0.04);
}

.compact-row {
  align-items: flex-start;
  margin-bottom: 14px;
}

.compact-row h3 {
  margin-top: 6px;
  font-size: 1rem;
}

.sidebar-card-label,
.section-label,
.eyebrow,
.message-role {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.73rem;
  color: var(--muted);
  font-weight: 800;
}

.tiny-pill {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.88);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.tips {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.card-hint {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.workspace {
  padding: 28px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.topbar h1,
.section-title-row h2 {
  margin: 8px 0 0;
}

.status-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border);
  box-shadow: 0 10px 22px rgba(31, 57, 102, 0.05);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.mode-panel {
  display: none;
}

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

.panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.9fr);
  gap: 22px;
}

.panel-grid.single-focus {
  grid-template-columns: 1fr;
}

.conversation-panel,
.inspector-panel,
.studio-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--surface);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.conversation-panel,
.inspector-panel,
.studio-panel {
  padding: 22px;
}

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.messages {
  display: grid;
  gap: 14px;
  min-height: 360px;
  max-height: 56vh;
  overflow: auto;
  padding-right: 6px;
}

.message {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
}

.message.assistant {
  background: linear-gradient(180deg, rgba(238, 243, 255, 0.95), rgba(255, 255, 255, 0.95));
}

.message-body {
  margin-top: 10px;
  color: var(--text);
  line-height: 1.72;
  white-space: pre-wrap;
}

.composer,
.tool-form {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.composer textarea,
.field input,
.field textarea,
.field select,
.raw-output {
  width: 100%;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.98);
  border-radius: 16px;
  padding: 14px 15px;
  color: var(--text);
}

.composer textarea,
.field textarea {
  resize: vertical;
}

.composer-actions,
.form-row {
  display: grid;
  gap: 14px;
}

.composer-actions {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}

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

.field {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.hidden {
  display: none !important;
}

.account-panel {
  display: grid;
  gap: 12px;
}

.account-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border);
}

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

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

.field.compact span {
  font-size: 0.82rem;
}

.raw-output {
  min-height: 540px;
  margin: 0;
  overflow: auto;
  background: #0f172a;
  color: #d9e6ff;
  white-space: pre-wrap;
  line-height: 1.6;
}

.results-grid {
  display: grid;
  gap: 18px;
  margin-top: 22px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.result-card {
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 18px 34px rgba(31, 57, 102, 0.08);
}

.result-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #edf2fb;
}

.result-card .result-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 16px;
}

.result-card a {
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.empty-state {
  padding: 24px;
  border: 1px dashed var(--border-strong);
  border-radius: 20px;
  color: var(--muted);
  text-align: center;
  background: rgba(255, 255, 255, 0.72);
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

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

@media (max-width: 760px) {
  .workspace,
  .sidebar {
    padding: 18px;
  }

  .topbar,
  .section-title-row,
  .composer-actions,
  .form-row {
    grid-template-columns: 1fr;
    display: grid;
  }

  .topbar {
    gap: 16px;
  }

  .inline-actions {
    grid-template-columns: 1fr;
  }
}