:root {
  --bg: #f4f1ea;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #fffdf9;
  --surface-muted: rgba(33, 39, 51, 0.05);
  --text: #182033;
  --text-muted: #5b6477;
  --text-faint: #8c95a6;
  --line: rgba(24, 32, 51, 0.1);
  --line-strong: rgba(24, 32, 51, 0.18);
  --accent: #0d6b5f;
  --accent-hover: #0a584e;
  --accent-soft: rgba(13, 107, 95, 0.12);
  --warning: #8f5a0a;
  --warning-soft: rgba(143, 90, 10, 0.12);
  --error: #b52828;
  --error-soft: rgba(181, 40, 40, 0.1);
  --success: #1f6a3d;
  --success-soft: rgba(31, 106, 61, 0.14);
  --shadow: 0 1px 3px rgba(23, 28, 38, 0.06), 0 8px 32px rgba(23, 28, 38, 0.06);
  --shadow-lg: 0 4px 12px rgba(23, 28, 38, 0.06), 0 18px 60px rgba(23, 28, 38, 0.08);
  --radius: 14px;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-sans: "Inter", "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 120ms var(--ease);
  --transition: 200ms var(--ease);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.92), transparent 35%),
    radial-gradient(circle at 85% 15%, rgba(13, 107, 95, 0.08), transparent 28%),
    radial-gradient(circle at 15% 85%, rgba(166, 124, 82, 0.08), transparent 24%),
    linear-gradient(180deg, #f7f3eb 0%, #ece4d7 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, select, textarea {
  font: inherit;
  line-height: inherit;
}

/* ─── Buttons ─── */

button {
  border: 0;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text);
  cursor: pointer;
  padding: 0.6rem 1.1rem;
  font-weight: 500;
  transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  background: rgba(24, 32, 51, 0.09);
}

button:active:not(:disabled) {
  transform: translateY(0);
}

button.primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 1px 3px rgba(13, 107, 95, 0.3);
}

button.primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 2px 8px rgba(13, 107, 95, 0.35);
}

button.danger {
  color: var(--error);
}

button.danger:hover:not(:disabled) {
  background: var(--error-soft);
}

button:disabled {
  opacity: 0.45;
  cursor: default;
  transform: none;
}

button.ghost {
  background: transparent;
  padding: 0.5rem 0.75rem;
}

/* ─── Inputs ─── */

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.85rem;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

input::placeholder {
  color: var(--text-faint);
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* ─── Typography ─── */

h1, h2, h3, strong {
  font-family: var(--font-display);
  font-weight: 650;
}

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

h1 { font-size: 1.5rem; margin-bottom: 0.35rem; letter-spacing: -0.02em; }
h2 { font-size: 1.15rem; margin-bottom: 0.25rem; letter-spacing: -0.015em; }
h3 { font-size: 0.95rem; margin-bottom: 0.2rem; }

.eyebrow {
  margin: 0 0 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-faint);
}

.muted { color: var(--text-muted); }
small { color: var(--text-muted); font-size: 0.8125rem; }

/* ─── Shell: shared 2-column layout ─── */

.shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 1.5rem 1.25rem;
  border-right: 1px solid var(--line);
  background: rgba(250, 247, 241, 0.85);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #0a5068);
  color: white;
  font-weight: 700;
  font-size: 0.9375rem;
}

.brand strong { font-size: 0.875rem; }
.brand small { color: var(--text-faint); font-size: 0.75rem; display: block; }

.nav-item {
  width: 100%;
  text-align: left;
  background: transparent;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 450;
  color: var(--text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-item:hover:not(.active) {
  background: rgba(24, 32, 51, 0.04);
  color: var(--text);
  transform: none;
}

.nav-item.active {
  background: rgba(24, 32, 51, 0.07);
  color: var(--text);
  font-weight: 600;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.sidebar-section-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  padding: 0.75rem 0.85rem 0.25rem;
}

/* ─── Content area ─── */

.content {
  padding: 1.75rem 2rem 2.5rem;
  max-width: 1200px;
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.content-wide {
  max-width: 1400px;
}

/* ─── Topbar ─── */

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.25rem;
}

.topbar h1 { margin-bottom: 0; }

.topbar-actions {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
}

.session-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(24, 32, 51, 0.05);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}

.hero-card,
.detail-card {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(250, 247, 241, 0.94)),
    var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(18px);
}

.hero-card {
  padding: 1.45rem 1.55rem;
  border-radius: var(--radius-xl);
}

.detail-card {
  padding: 1.2rem 1.25rem;
  border-radius: var(--radius-lg);
}

.hero-card-split {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
  gap: 1rem;
  align-items: start;
}

.hero-side-note {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  display: grid;
  gap: 0.45rem;
}

.hero-side-note strong {
  font-size: 0.95rem;
}

.detail-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.metric-pill,
.status-pill {
  display: inline-grid;
  gap: 0.1rem;
  align-items: center;
  justify-items: start;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  min-width: 110px;
}

.metric-pill strong,
.status-pill {
  font-size: 0.875rem;
}

.metric-pill span {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
}

.status-pill {
  display: inline-flex;
  gap: 0.35rem;
  min-width: auto;
  text-transform: capitalize;
  font-weight: 600;
  color: var(--text-muted);
}

.status-pill.success {
  background: var(--success-soft);
  color: var(--success);
  border-color: rgba(31, 106, 61, 0.14);
}

.status-pill.warning {
  background: var(--warning-soft);
  color: var(--warning);
  border-color: rgba(143, 90, 10, 0.16);
}

.status-pill.neutral {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(13, 107, 95, 0.14);
}

/* ─── Cards ─── */

.card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.card-flush { padding: 0; overflow: hidden; }
.card-compact { padding: 1rem; border-radius: var(--radius-md); }

.card-accent {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.97), rgba(240, 248, 246, 0.97)),
    var(--surface);
  border-color: rgba(13, 107, 95, 0.12);
}

.card-warning {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.97), rgba(255, 248, 238, 0.97)),
    var(--surface);
  border-color: rgba(143, 90, 10, 0.16);
}

.card-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.card-header:last-child { margin-bottom: 0; }

.card-body { display: grid; gap: 0.85rem; }
.card-footer { display: flex; gap: 0.6rem; padding-top: 0.75rem; }

.bundle-related-choice {
  display: grid;
  gap: 0.75rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
}

.bundle-related-choice-active {
  border-color: rgba(13, 107, 95, 0.18);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(244, 250, 248, 0.96)),
    var(--surface);
}

.bundle-related-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.bundle-related-copy {
  display: grid;
  gap: 0.2rem;
}

.bundle-related-copy strong {
  font-size: 0.95rem;
}

.bundle-related-toggle {
  flex-shrink: 0;
  white-space: nowrap;
}

.bundle-route-panel {
  display: grid;
  gap: 0.7rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
}

.bundle-route-panel-warning {
  border-color: rgba(143, 90, 10, 0.18);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 248, 238, 0.98)),
    var(--surface);
}

.bundle-route-panel-success {
  border-color: rgba(13, 107, 95, 0.18);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(241, 249, 247, 0.98)),
    var(--surface);
}

.bundle-route-list {
  display: grid;
  gap: 0.6rem;
}

.bundle-route-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.8rem 0.9rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  cursor: pointer;
}

.bundle-route-option input {
  width: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.bundle-route-option-selected {
  border-color: rgba(13, 107, 95, 0.24);
  background: rgba(13, 107, 95, 0.08);
}

.bundle-route-option-body {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
}

.bundle-route-option-body strong {
  display: block;
  font-size: 0.9rem;
}

.bundle-route-option-body small {
  display: block;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ─── Metrics row ─── */

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
}

.metric {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.metric-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.metric-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ─── Status indicators ─── */

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 500;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-faint);
  flex-shrink: 0;
}

.status-dot.success { background: var(--success); }
.status-dot.warning { background: var(--warning); }
.status-dot.error { background: var(--error); }
.status-dot.pending { background: var(--text-faint); }

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(24, 32, 51, 0.06);
  color: var(--text-muted);
}

.tag-success { background: var(--success-soft); color: var(--success); }
.tag-warning { background: var(--warning-soft); color: var(--warning); }
.tag-error { background: var(--error-soft); color: var(--error); }
.tag-accent { background: var(--accent-soft); color: var(--accent); }

/* ─── Layout helpers ─── */

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; }
.grid-sidebar { display: grid; grid-template-columns: 320px 1fr; gap: 1rem; }
.grid-browser { display: grid; grid-template-columns: 1fr 1fr 0.8fr; gap: 0.75rem; }
.stack { display: grid; gap: 0.6rem; }
.stack-lg { display: grid; gap: 1rem; }
.row { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.row-between { display: flex; justify-content: space-between; gap: 0.75rem; align-items: center; }
.span-2 { grid-column: span 2; }

/* ─── List rows ─── */

.list-item {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.list-item:last-child { border-bottom: 0; }

.selectable-row {
  width: 100%;
  text-align: left;
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.85rem;
  background: transparent;
  border: 1px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.selectable-row:hover:not(.active) {
  background: rgba(24, 32, 51, 0.03);
  transform: none;
}

.selectable-row.active {
  background: var(--accent-soft);
  border-color: rgba(13, 107, 95, 0.2);
}

.selectable-row strong { display: block; font-size: 0.875rem; }
.selectable-row small { color: var(--text-faint); }

/* ─── Tab bar ─── */
.tab-bar { display: flex; gap: 0; border-bottom: 1px solid var(--line); }
.tab {
  padding: 0.5rem 1rem; font-size: 0.8125rem; font-weight: 600;
  background: transparent; border: none; border-bottom: 2px solid transparent;
  color: var(--text-muted); cursor: pointer; transition: color var(--transition-fast), border-color var(--transition-fast);
}
.tab:hover { color: var(--text-primary); }
.tab-active { color: var(--accent); border-bottom-color: var(--accent); }

/* ─── Form layout ─── */

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

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

/* ─── Assistant preview confidence ─── */

.preview-insight-grid {
  margin-top: 0.25rem;
}

.preview-validation-grid {
  align-items: start;
}

.preview-tool-surface {
  margin-top: 0.25rem;
}

.insight-list {
  display: grid;
  gap: 0.45rem;
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
}

.insight-list li {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.validation-group {
  display: grid;
  gap: 0.75rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
}

.validation-group-error {
  border-color: rgba(176, 64, 64, 0.18);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 244, 244, 0.98));
}

.validation-group-warning {
  border-color: rgba(143, 90, 10, 0.16);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 249, 240, 0.98));
}

/* ─── Stepper / onboarding ─── */

.stepper {
  display: flex;
  gap: 0.125rem;
  padding: 0.25rem;
  background: rgba(24, 32, 51, 0.04);
  border-radius: 999px;
  overflow-x: auto;
}

.step {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-faint);
  background: transparent;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.step:hover:not(.active):not(.completed) {
  color: var(--text-muted);
  transform: none;
}

.step .step-number {
  display: inline-grid;
  place-items: center;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  font-size: 0.6875rem;
  font-weight: 700;
  background: rgba(24, 32, 51, 0.08);
  color: var(--text-faint);
  flex-shrink: 0;
}

.step.active {
  background: var(--accent);
  color: white;
}

.step.active .step-number {
  background: rgba(255, 255, 255, 0.25);
  color: white;
}

.step.completed {
  color: var(--accent);
}

.step.completed .step-number {
  background: var(--accent-soft);
  color: var(--accent);
}

/* ─── Notices ─── */

/* ─── Toast notifications ─── */
#toast-container {
  position: fixed; top: 1rem; right: 1rem; z-index: 9999;
  display: flex; flex-direction: column; gap: 0.5rem;
  pointer-events: none; max-width: 420px;
}

.toast {
  display: flex; align-items: center; gap: 0.75rem; justify-content: space-between;
  padding: 0.65rem 0.75rem 0.65rem 1rem;
  border-radius: var(--radius); font-size: 0.8125rem; font-weight: 500;
  background: var(--surface); color: var(--text-primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12), 0 1px 3px rgba(0,0,0,0.08);
  pointer-events: auto;
  animation: toast-in 250ms var(--ease);
}

.toast-success { border-left: 3px solid var(--success); }
.toast-warning { border-left: 3px solid var(--warning); }

.toast-close {
  background: none; border: none; cursor: pointer; font-size: 1.1rem;
  color: var(--text-faint); padding: 0 0.25rem; line-height: 1;
}
.toast-close:hover { color: var(--text-primary); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ─── Empty states ─── */

.empty {
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: var(--text-muted);
  border: 1px dashed rgba(24, 32, 51, 0.16);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0.82));
}

.empty h3 { color: var(--text); margin-bottom: 0.25rem; }
.empty p { max-width: 28rem; margin: 0 auto 1rem; }

/* ─── Auth shell ─── */

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.auth-card {
  width: min(28rem, 100%);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
}

.auth-card-wide { width: min(42rem, 100%); }

/* ─── Template cards ─── */

.template-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  display: grid;
  gap: 0.5rem;
  align-content: start;
}

.template-card .domain-tag {
  display: inline-flex;
  align-self: start;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--accent-soft);
  color: var(--accent);
}

.template-card h3 { margin-bottom: 0; }
.template-card p { color: var(--text-muted); font-size: 0.875rem; }
.template-card ul { padding-left: 1rem; color: var(--text-muted); font-size: 0.8125rem; margin: 0; }
.template-card li { margin-bottom: 0.15rem; }

/* ─── Assistant catalog ─── */

.assistant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.75rem;
}

.assistant-card {
  width: 100%;
  text-align: left;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
  display: grid;
  gap: 0.55rem;
  align-content: start;
}

.assistant-card:hover:not(.assistant-card-active) {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(24, 32, 51, 0.14);
}

.assistant-card-active {
  background: linear-gradient(180deg, rgba(13, 107, 95, 0.11), rgba(255, 255, 255, 0.96));
  border-color: rgba(13, 107, 95, 0.26);
  box-shadow: 0 0 0 1px rgba(13, 107, 95, 0.08), var(--shadow);
}

.assistant-card-top {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.assistant-card strong {
  font-size: 0.95rem;
  line-height: 1.25;
}

.assistant-card-copy {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.8375rem;
}

.assistant-status {
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.assistant-status-draft {
  background: rgba(24, 32, 51, 0.08);
  color: var(--text-muted);
}

.assistant-status-ready,
.assistant-status-published {
  background: var(--success-soft);
  color: var(--success);
}

.assistant-status-archived {
  background: rgba(24, 32, 51, 0.05);
  color: var(--text-faint);
}

.assistant-meta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.75rem;
  color: var(--text-faint);
}

.assistant-detail-grid {
  display: grid;
  gap: 1rem;
}

.assistant-draft-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.assistant-draft-summary div {
  padding: 0.85rem 0.9rem;
  border-radius: var(--radius-sm);
  background: rgba(24, 32, 51, 0.04);
  border: 1px solid var(--line);
}

.assistant-draft-summary strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.15rem;
}

.assistant-draft-summary small {
  display: block;
  color: var(--text-faint);
  font-size: 0.75rem;
}

.assistant-template-preview {
  padding: 0.95rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(24, 32, 51, 0.04);
  border: 1px solid var(--line);
}

.assistant-template-preview ul {
  margin: 0;
  padding-left: 1rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.preview-summary-card {
  position: sticky;
  top: 1rem;
  z-index: 3;
}

.preview-stage {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
  overflow: hidden;
}

.preview-stage summary {
  list-style: none;
}

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

.preview-stage-summary {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.1rem;
  cursor: pointer;
}

.preview-stage-summary strong {
  display: block;
  font-size: 1rem;
}

.preview-stage-summary small {
  display: block;
  margin-top: 0.2rem;
  color: var(--text-faint);
  font-size: 0.8125rem;
}

.preview-stage-chevron {
  color: var(--text-faint);
  font-size: 1rem;
  transition: transform var(--transition-fast);
}

.preview-stage[open] .preview-stage-chevron {
  transform: rotate(180deg);
}

.preview-stage-body {
  padding: 0 1.1rem 1.1rem;
  border-top: 1px solid var(--line);
}

/* ─── Toggle ─── */

.toggle {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.8125rem;
  cursor: pointer;
}

.toggle input { width: auto; }

/* ─── Search ─── */

.search-input {
  position: relative;
}

.search-input input {
  padding-left: 2.2rem;
}

/* ─── Field toggles ─── */

.field-toggle-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.8125rem;
}

.field-toggle-row:last-child { border-bottom: 0; }

.field-toggle-row .toggles {
  display: flex;
  gap: 0.75rem;
}

/* ─── Code ─── */

code {
  display: inline-block;
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
  background: rgba(24, 32, 51, 0.06);
  font-size: 0.8125rem;
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
}

/* ─── Loading ─── */

.loading-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  gap: 0.75rem;
}

.spinner {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 2.5px solid rgba(24, 32, 51, 0.08);
  border-top-color: var(--accent);
  animation: spin 800ms linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ─── Portal surface ─── */

.portal-shell {
  min-height: 100vh;
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
  align-content: start;
  max-width: 900px;
  margin: 0 auto;
}

.portal-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 0.75rem;
}

.portal-stack {
  min-height: 100vh;
  padding: 1.5rem;
  display: grid;
  place-content: center;
}

.portal-auth-card {
  width: min(100%, 34rem);
}

.portal-auth-form {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.portal-row-list {
  display: grid;
  gap: 0.45rem;
}

.portal-row {
  width: 100%;
  text-align: left;
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
}

.portal-row.active {
  background: var(--accent-soft);
  border-color: rgba(13, 107, 95, 0.15);
}

.portal-sidebar {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.portal-detail {
  display: grid;
  gap: 0.95rem;
  align-content: start;
}

.portal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.portal-actions { display: flex; gap: 0.5rem; padding-top: 0.5rem; }
.portal-reasons { padding-top: 0.5rem; }
.reason-list { margin: 0; padding-left: 1rem; color: var(--text-muted); font-size: 0.875rem; }

.portal-tool-list {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-top: 0.55rem;
}

.portal-tool-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.6rem;
  border-radius: 999px;
  background: rgba(24, 32, 51, 0.06);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
}

.portal-guidance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.portal-guidance-card {
  padding: 0.9rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.portal-guidance-card strong {
  display: block;
  margin-bottom: 0.2rem;
}

/* ─── Seller surface specifics ─── */

.seller-customer-list {
  display: grid;
  gap: 0.85rem;
}

.seller-workspace-layout {
  grid-template-columns: minmax(0, 1.45fr) minmax(360px, 0.85fr);
  align-items: start;
}

.seller-customer-card {
  display: grid;
  gap: 0.85rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
}

.seller-customer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.seller-customer-row:hover {
  background: rgba(24, 32, 51, 0.03);
}

.seller-summary-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.6rem;
}

.seller-subgrid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0.85rem;
}

.seller-assistant-list,
.seller-org-list,
.seller-alert-stack {
  display: grid;
  gap: 0.5rem;
}

.seller-alert {
  display: grid;
  gap: 0.2rem;
  padding: 0.7rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(24, 32, 51, 0.03);
}

.seller-alert small {
  color: var(--text-muted);
}

.seller-alert-warning {
  border-color: rgba(143, 90, 10, 0.16);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 249, 240, 0.98));
}

.seller-alert-info {
  border-color: rgba(13, 107, 95, 0.12);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(241, 251, 248, 0.98));
}

.seller-diagnostics-grid {
  margin-bottom: 1rem;
}

.seller-event-list {
  display: grid;
  gap: 0.65rem;
}

.seller-event {
  display: grid;
  gap: 0.35rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
}

.seller-event-error {
  border-color: rgba(143, 90, 10, 0.18);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 249, 240, 0.98));
}

.seller-event small {
  color: var(--text-muted);
}

/* ─── Guided Data Access ─── */

.guided-objects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.6rem;
}

.guided-object-card {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(24, 32, 51, 0.03);
  border: 1px solid var(--line);
  display: grid;
  gap: 0.35rem;
}

.guided-object-card strong { font-size: 0.875rem; }
.guided-object-card small { color: var(--text-faint); font-size: 0.75rem; }

.guided-object-meta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.guided-suggestion-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.6rem;
}

.guided-suggestion-card {
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  display: grid;
  gap: 0.25rem;
  align-content: start;
}

.guided-suggestion-card strong { font-size: 0.875rem; }
.guided-suggestion-card small { color: var(--text-faint); font-size: 0.75rem; display: block; }

.guided-suggestion-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
}

.guided-suggestion-row:last-child { border-bottom: 0; }

/* ─── Responsive ─── */

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

  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1rem;
  }

  .sidebar nav { display: flex; gap: 0.25rem; flex-wrap: wrap; }
  .sidebar-footer { margin-top: 0; border-top: 0; padding-top: 0; }

  .content { padding: 1.25rem; }

  .grid-2, .grid-3, .grid-sidebar, .grid-browser,
  .form-grid, .portal-layout, .portal-grid,
  .stepper { flex-direction: column; }

  .grid-2, .grid-3, .grid-sidebar, .grid-browser { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .portal-layout { grid-template-columns: 1fr; }
  .portal-grid { grid-template-columns: 1fr; }
  .portal-guidance-grid { grid-template-columns: 1fr; }
  .hero-card-split { grid-template-columns: 1fr; }
  .seller-summary-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .seller-subgrid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .stepper { border-radius: var(--radius-md); flex-wrap: wrap; }
}

@media (max-width: 640px) {
  .metrics { grid-template-columns: 1fr 1fr; }
  .seller-summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .topbar { flex-direction: column; align-items: flex-start; }
  .assistant-draft-summary { grid-template-columns: 1fr; }
  .bundle-related-row { flex-direction: column; }
  .bundle-related-toggle { white-space: normal; }
}