:root {
  --bg: #0a0a0a;
  --bg-elev: #131313;
  --bg-elev-2: #1c1c1c;
  --fg: #fafafa;
  --fg-muted: #8a8a8a;
  --fg-subtle: #5a5a5a;
  --border: #232323;
  --border-strong: #333;
  --accent: #fafafa;
  --accent-fg: #0a0a0a;
  --warn: #e8b04a;
  --error: #e8654a;
  --success: #6dd49e;
  --radius: 4px;
  --radius-lg: 8px;
  --maxw: 1200px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  padding-top: 64px;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--fg);
}

label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

/* ============ TOPBAR ============ */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: 100%;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.topbar-nav {
  display: flex;
  gap: 28px;
  flex: 1;
}

.topbar-nav a {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
  transition: color 0.15s;
}

.topbar-nav a:hover, .topbar-nav a.active {
  color: var(--fg);
}

.topbar-account {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--fg-muted);
}

.topbar-account .avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-elev-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--fg);
}

/* ============ LAYOUT ============ */
.page {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 48px 32px 96px;
}

.page-narrow {
  max-width: 720px;
}

.page-header {
  margin-bottom: 40px;
}

.page-eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  margin-bottom: 12px;
}

.page-title {
  font-family: 'Fraunces', serif;
  font-size: 42px;
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.page-title .accent {
  font-style: italic;
  font-weight: 300;
}

.page-sub {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.6;
}

.section {
  margin-bottom: 48px;
}

.section-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: -0.005em;
}

.section-sub {
  color: var(--fg-muted);
  font-size: 14px;
  margin-bottom: 20px;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.15s;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--fg);
  color: var(--accent-fg);
}

.btn-primary:hover {
  background: #e6e6e6;
}

.btn-primary:disabled {
  background: var(--bg-elev-2);
  color: var(--fg-subtle);
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--fg);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--fg);
}

.btn-ghost {
  background: transparent;
  color: var(--fg-muted);
}

.btn-ghost:hover {
  color: var(--fg);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 13px;
}

.btn-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

/* ============ CARDS ============ */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.card-interactive {
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
}

.card-interactive:hover {
  border-color: var(--fg-muted);
}

/* ============ HERO LANDING ============ */
.hero {
  min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 32px;
  max-width: var(--maxw);
  margin: 0 auto;
}

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 24px;
}

.hero h1 {
  font-family: 'Fraunces', serif;
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
  max-width: 900px;
}

.hero h1 em {
  font-style: italic;
  font-weight: 300;
}

.hero p {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.6;
  margin-bottom: 40px;
}

.hero-grid {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.hero-card {
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.hero-card-num {
  font-family: 'Fraunces', serif;
  font-size: 14px;
  color: var(--fg-subtle);
  margin-bottom: 12px;
}

.hero-card h3 {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 8px;
}

.hero-card p {
  font-size: 14px;
  color: var(--fg-muted);
  margin: 0;
}

/* ============ STEPPER ============ */
.stepper {
  display: flex;
  gap: 0;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.stepper-item {
  flex: 1;
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.stepper-item.active {
  border-bottom-color: var(--fg);
}

.stepper-item.done {
  color: var(--fg-muted);
}

.stepper-item.upcoming {
  color: var(--fg-subtle);
}

.stepper-num {
  font-family: 'Fraunces', serif;
  font-size: 12px;
  letter-spacing: 0.05em;
}

.stepper-label {
  font-size: 13px;
  font-weight: 500;
}

/* ============ PRODUCT GRID ============ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.product-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.15s;
}

.product-card:hover {
  border-color: var(--fg-muted);
}

.product-thumb {
  aspect-ratio: 4 / 5;
  background: var(--bg-elev-2);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-thumb-placeholder {
  font-size: 12px;
  color: var(--fg-subtle);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-meta {
  padding: 14px 16px;
}

.product-meta h4 {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
}

.product-meta p {
  font-size: 12px;
  color: var(--fg-muted);
}

/* status pill on product */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid var(--border);
}

.pill::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fg-muted);
}

.pill-warn { color: var(--warn); border-color: rgba(232, 176, 74, 0.3); }
.pill-warn::before { background: var(--warn); }

.pill-error { color: var(--error); border-color: rgba(232, 101, 74, 0.3); }
.pill-error::before { background: var(--error); }

.pill-ok { color: var(--success); border-color: rgba(109, 212, 158, 0.3); }
.pill-ok::before { background: var(--success); }

.pill-muted { color: var(--fg-muted); }

/* ============ ADD CARD ============ */
.add-card {
  background: transparent;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--fg-muted);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.add-card:hover {
  border-color: var(--fg);
  color: var(--fg);
}

.add-card-plus {
  font-size: 32px;
  font-weight: 200;
}

.add-card-label {
  font-size: 13px;
}

/* ============ UPLOAD GRID (5 angles) ============ */
.upload-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.upload-slot {
  aspect-ratio: 3 / 4;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--fg-muted);
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
  overflow: hidden;
}

.upload-slot:hover {
  border-color: var(--fg);
  color: var(--fg);
}

.upload-slot.filled {
  border-style: solid;
  border-color: var(--border);
  background: var(--bg-elev);
  color: var(--fg);
}

.upload-slot.filled::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.6));
  pointer-events: none;
}

.upload-slot-label {
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

.upload-slot-icon {
  font-size: 24px;
  font-weight: 200;
}

.upload-slot-required {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(232, 176, 74, 0.15);
  color: var(--warn);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 999px;
  z-index: 2;
}

@media (max-width: 720px) {
  .upload-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============ FORM ============ */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

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

.field {
  margin-bottom: 20px;
}

.field-help {
  font-size: 12px;
  color: var(--fg-subtle);
  margin-top: 6px;
}

/* ============ EXAMPLES (good vs bad) ============ */
.examples {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.example {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.example-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.example-good { color: var(--success); }
.example-bad { color: var(--error); }

.example-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.example-thumb {
  aspect-ratio: 1;
  background: var(--bg-elev-2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--fg-subtle);
}

.example-good .example-thumb {
  background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
}

.example-bad .example-thumb {
  background: linear-gradient(135deg, #1a1a1a, #2a1a1a);
  filter: blur(0.5px);
}

.example ul {
  list-style: none;
  font-size: 13px;
}

.example li {
  padding: 4px 0;
  color: var(--fg-muted);
  position: relative;
  padding-left: 16px;
}

.example li::before {
  position: absolute;
  left: 0;
}

.example-good li::before { content: '✓'; color: var(--success); }
.example-bad li::before { content: '✕'; color: var(--error); }

@media (max-width: 720px) {
  .examples { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

/* ============ CHECKLIST ============ */
.checklist {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.checklist-item {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  transition: background 0.15s;
}

.checklist-item:last-child { border-bottom: none; }

.checklist-item:hover { background: var(--bg-elev-2); }

.checklist-check {
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--border-strong);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s;
}

.checklist-item.checked .checklist-check {
  background: var(--fg);
  border-color: var(--fg);
}

.checklist-item.checked .checklist-check::after {
  content: '✓';
  color: var(--accent-fg);
  font-size: 14px;
  font-weight: 700;
}

.checklist-text {
  flex: 1;
  font-size: 14px;
}

.checklist-item.checked .checklist-text {
  color: var(--fg-muted);
}

/* ============ OUTFIT ============ */
.outfit-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
}

.outfit-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.outfit-card-title {
  font-family: 'Fraunces', serif;
  font-size: 20px;
  font-weight: 500;
}

.outfit-card-sub {
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 4px;
}

.outfit-products {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.outfit-product-thumb {
  width: 60px;
  height: 75px;
  background: var(--bg-elev-2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}

.outfit-product-thumb img { width: 100%; height: 100%; object-fit: cover; }

.outfit-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.spec-chip {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--fg-muted);
}

.spec-chip-key {
  color: var(--fg-subtle);
  margin-right: 4px;
}

.spec-chip-val {
  color: var(--fg);
}

/* ============ SPEC SELECTOR ============ */
.spec-selector {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

.spec-option {
  padding: 14px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 13px;
}

.spec-option:hover {
  border-color: var(--fg-muted);
}

.spec-option.selected {
  background: var(--fg);
  color: var(--accent-fg);
  border-color: var(--fg);
}

.spec-option-img {
  aspect-ratio: 1;
  background: var(--bg-elev-2);
  border-radius: var(--radius);
  margin-bottom: 8px;
}

/* ============ RESULT GALLERY ============ */
.result-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.result-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.15s;
}

.result-card:hover { border-color: var(--fg-muted); }

.result-thumb {
  aspect-ratio: 3 / 4;
  background: var(--bg-elev-2);
  position: relative;
  overflow: hidden;
}

.result-thumb img { width: 100%; height: 100%; object-fit: cover; }

.result-thumb-overlay {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.result-meta-title { font-size: 13px; font-weight: 500; }

/* ============ COMMENT THREAD ============ */
.image-detail {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  align-items: start;
}

.image-detail-main {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.image-detail-main img {
  width: 100%;
  display: block;
}

.image-detail-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 88px;
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 400px;
  overflow-y: auto;
}

.comment {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.comment-author {
  font-size: 12px;
  color: var(--fg-muted);
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.comment-author strong { color: var(--fg); }

.comment-body { font-size: 14px; }

.comment-input {
  display: flex;
  gap: 8px;
}

.comment-input textarea {
  flex: 1;
  resize: vertical;
  min-height: 80px;
}

@media (max-width: 900px) {
  .image-detail { grid-template-columns: 1fr; }
  .image-detail-side { position: static; }
}

/* ============ INBOX (Curva interno) ============ */
.inbox-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.inbox-table th {
  background: var(--bg-elev-2);
  padding: 14px 20px;
  text-align: left;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.inbox-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.inbox-table tr:last-child td { border-bottom: none; }

.inbox-table tr.row-link { cursor: pointer; transition: background 0.15s; }
.inbox-table tr.row-link:hover { background: var(--bg-elev-2); }

/* ============ ALERTS ============ */
.alert {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-left: 3px solid var(--warn);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--fg-muted);
}

.alert-warn { border-left-color: var(--warn); }
.alert-info { border-left-color: var(--fg-muted); }
.alert-success { border-left-color: var(--success); }
.alert-error { border-left-color: var(--error); }

.alert strong { color: var(--fg); }

/* ============ MODAL / EMPTY ============ */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--fg-muted);
}

.empty-state h3 {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  color: var(--fg);
  margin-bottom: 8px;
}

.empty-state p { margin-bottom: 24px; }

/* ============ CONFIRMATION ============ */
.confirm-screen {
  min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 80px 32px;
  max-width: 600px;
  margin: 0 auto;
}

.confirm-screen .symbol {
  font-family: 'Fraunces', serif;
  font-size: 64px;
  color: var(--fg);
  margin-bottom: 32px;
  font-style: italic;
  font-weight: 300;
}

.confirm-screen h1 {
  font-family: 'Fraunces', serif;
  font-size: 40px;
  font-weight: 300;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.confirm-screen h1 em { font-style: italic; }

.confirm-screen p {
  font-size: 16px;
  color: var(--fg-muted);
  margin-bottom: 40px;
  line-height: 1.6;
}

/* ============ LOGIN ============ */
.login-page {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.login-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  width: 100%;
  max-width: 440px;
}

.login-card h1 {
  font-family: 'Fraunces', serif;
  font-size: 28px;
  font-weight: 400;
  margin-bottom: 8px;
}

.login-card p {
  color: var(--fg-muted);
  font-size: 14px;
  margin-bottom: 32px;
}

/* ============ PROTOTYPE NAV (jump panel) ============ */
.proto-jump {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
}

.proto-jump-toggle {
  width: 48px;
  height: 48px;
  background: var(--fg);
  color: var(--accent-fg);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  cursor: pointer;
}

.proto-jump-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--accent-fg);
  border-radius: 1px;
}

.proto-jump-panel {
  position: absolute;
  bottom: 60px;
  right: 0;
  width: 280px;
  max-height: 70vh;
  overflow-y: auto;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  display: none;
}

.proto-jump.open .proto-jump-panel { display: block; }

.proto-jump-title {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
}

.proto-jump-sub {
  font-size: 12px;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

.proto-jump-group {
  margin-bottom: 16px;
}

.proto-jump-group p {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  margin-bottom: 8px;
}

.proto-jump-group a {
  display: block;
  font-size: 13px;
  color: var(--fg-muted);
  padding: 6px 10px;
  border-radius: 4px;
  transition: all 0.15s;
}

.proto-jump-group a:hover {
  background: var(--bg-elev-2);
  color: var(--fg);
}

/* ============ MISC ============ */
.divider {
  height: 1px;
  background: var(--border);
  margin: 32px 0;
}

.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }

.row { display: flex; gap: 16px; align-items: center; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.col { display: flex; flex-direction: column; gap: 8px; }

.muted { color: var(--fg-muted); }
.subtle { color: var(--fg-subtle); }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }

@media (max-width: 720px) {
  .topbar-inner { padding: 0 20px; }
  .topbar-nav { display: none; }
  .page { padding: 32px 20px 80px; }
  .hero-grid { grid-template-columns: 1fr; }
  .stepper { overflow-x: auto; }
  .stepper-item { min-width: 110px; }
}