:root {
  --bg: #0a0f1c;
  --bg-soft: #0f1628;
  --card: #131c33;
  --card-hi: #182340;
  --ink: #e8edf7;
  --muted: #94a0ba;
  --faint: #5d6a86;
  --accent: #34d399;
  --accent-hi: #6ee7b7;
  --accent-ink: #052e1f;
  --warn: #fbbf24;
  --danger: #f87171;
  --line: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Inter, system-ui, sans-serif;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(52, 211, 153, 0.12), transparent 60%),
    radial-gradient(900px 600px at 10% 10%, rgba(59, 130, 246, 0.08), transparent 55%),
    var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
}

.logo {
  width: 32px;
  height: 32px;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.header-links a:hover {
  color: var(--ink);
}

.badge {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent-hi);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.25);
  padding: 4px 10px;
  border-radius: 999px;
}

.main-content {
  padding: 48px 0 80px;
}

.onboarding-card {
  max-width: 720px;
  margin: 0 auto;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 40px 36px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
}

.hero-title {
  text-align: center;
  margin-bottom: 28px;
}

.hero-title h1 {
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.hero-title p {
  color: var(--muted);
  font-size: 16px;
}

.input-box {
  display: flex;
  gap: 8px;
  background: var(--card);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: 14px;
  padding: 6px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.input-box input[type="text"] {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--ink);
  font-size: 15px;
  padding: 12px 16px;
  font-family: var(--mono);
}

.input-box input[type="text"]::placeholder {
  color: var(--faint);
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border: 0;
  border-radius: 10px;
  padding: 12px 24px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--accent-hi);
}

.btn-secondary {
  background: var(--card-hi);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 16px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}

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

.text-toggle {
  text-align: center;
  margin-top: 14px;
}

.text-toggle button {
  background: transparent;
  border: 0;
  color: var(--muted);
  font-size: 13px;
  text-decoration: underline;
  cursor: pointer;
}

.text-toggle button:hover {
  color: var(--ink);
}

.manual-form {
  display: none;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.manual-form.active {
  display: block;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

.form-group textarea,
.form-group select,
.form-group input {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 14px;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  outline: none;
}

.form-group textarea:focus,
.form-group select:focus,
.form-group input:focus {
  border-color: var(--accent);
}

.preview-pane {
  display: none;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.preview-pane.active {
  display: block;
}

.app-identity {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.app-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #3b82f6);
  display: grid;
  place-items: center;
  font-size: 24px;
  object-fit: cover;
}

.app-meta h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.app-meta p {
  font-size: 13px;
  color: var(--muted);
}

.competitors-box {
  margin-bottom: 24px;
}

.competitors-box .title-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--faint);
  margin-bottom: 8px;
}

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

.chip {
  background: var(--card-hi);
  border: 1px solid var(--line);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.chip-remove {
  cursor: pointer;
  color: var(--faint);
}

.chip-remove:hover {
  color: var(--danger);
}

.btn-generate {
  width: 100%;
  background: var(--accent);
  color: var(--accent-ink);
  border: 0;
  border-radius: 12px;
  padding: 16px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(52, 211, 153, 0.3);
  transition: transform 0.1s, background 0.2s;
}

.btn-generate:hover {
  background: var(--accent-hi);
  transform: translateY(-1px);
}

.progress-section {
  display: none;
  max-width: 720px;
  margin: 40px auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
}

.progress-section.active {
  display: block;
}

.progress-steps {
  list-style: none;
}

.progress-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  color: var(--faint);
  font-size: 14px;
}

.progress-step.done {
  color: var(--accent-hi);
}

.progress-step.active {
  color: var(--ink);
  font-weight: 600;
}

.step-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--faint);
  display: grid;
  place-items: center;
  font-size: 11px;
}

.progress-step.done .step-icon {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.progress-step.active .step-icon {
  border-color: var(--accent-hi);
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
}

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

.studio-section {
  display: none;
}

.studio-section.active {
  display: block;
}

.studio-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.tab-nav {
  display: flex;
  gap: 8px;
  background: var(--card);
  padding: 4px;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.tab-btn {
  background: transparent;
  border: 0;
  color: var(--muted);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.tab-btn.active {
  background: var(--accent);
  color: var(--accent-ink);
}

.tab-content {
  display: none;
}

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

.meta-field {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.field-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.field-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  font-weight: 600;
}

.field-counter {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
}

.field-counter.optimal {
  color: var(--accent-hi);
  background: rgba(52, 211, 153, 0.12);
}

.field-counter.warning {
  color: var(--warn);
  background: rgba(251, 191, 36, 0.12);
}

.field-counter.error {
  color: var(--danger);
  background: rgba(248, 113, 113, 0.12);
}

.field-box {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.field-value {
  flex: 1;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink);
  line-height: 1.5;
  word-break: break-word;
  white-space: pre-wrap;
}

.btn-copy {
  background: var(--card-hi);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.btn-copy:hover {
  border-color: var(--accent);
  color: var(--accent-hi);
}

.rules-panel {
  background: var(--card-hi);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 24px;
}

.rules-panel h4 {
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 12px;
}

.rules-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 8px;
}

.rules-list li {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.rules-list li span.ok {
  color: var(--accent);
  font-weight: 700;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

th {
  color: var(--faint);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.export-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

@media (max-width: 640px) {
  .wrap {
    padding: 0 16px;
  }

  header {
    padding: 16px 0;
    gap: 12px;
  }

  .brand {
    font-size: 16px;
  }

  .header-links .badge {
    display: none;
  }

  .header-links a {
    font-size: 13px;
  }

  .main-content {
    padding: 24px 0 60px;
  }

  .onboarding-card {
    padding: 24px 16px;
    border-radius: 16px;
  }

  .hero-title {
    margin-bottom: 20px;
  }

  .hero-title h1 {
    font-size: 24px;
  }

  .hero-title p {
    font-size: 14px;
  }

  .input-box {
    flex-direction: column;
    padding: 8px;
    gap: 8px;
  }

  .form-group textarea,
  .form-group select,
  .form-group input,
  .input-box input[type="text"] {
    font-size: 16px;
  }

  .input-box input[type="text"] {
    padding: 10px 12px;
    width: 100%;
  }

  .input-box .btn-primary {
    width: 100%;
    padding: 14px 20px;
    font-size: 15px;
    text-align: center;
  }

  #btnApplyManual {
    width: 100%;
    padding: 12px 16px;
  }

  .app-identity {
    gap: 12px;
  }

  .app-icon {
    width: 44px;
    height: 44px;
    font-size: 20px;
    flex-shrink: 0;
  }

  .app-meta h3 {
    font-size: 15px;
    word-break: break-word;
  }

  .app-meta p {
    font-size: 12px;
  }

  .btn-generate {
    padding: 14px 18px;
    font-size: 15px;
  }

  .progress-section {
    padding: 24px 16px;
    margin: 24px auto;
  }

  .progress-step {
    font-size: 13px;
    gap: 10px;
  }

  .studio-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .tab-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 4px;
    width: 100%;
  }

  .tab-nav::-webkit-scrollbar {
    display: none;
  }

  .tab-btn {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 10px 14px;
    font-size: 13px;
  }

  #btnStartOver {
    width: 100%;
    padding: 11px 16px;
    text-align: center;
  }

  .meta-field {
    padding: 16px 14px;
    border-radius: 14px;
  }

  .field-header {
    align-items: center;
  }

  .field-label {
    font-size: 12px;
  }

  .field-counter {
    font-size: 12px;
  }

  .field-box {
    flex-direction: column;
    gap: 10px;
  }

  .field-value {
    width: 100%;
    font-size: 13px;
    padding: 10px 12px;
  }

  .btn-copy {
    width: 100%;
    padding: 11px;
    text-align: center;
    font-size: 14px;
  }

  .rules-panel {
    padding: 16px 14px;
  }

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

  .rules-list li {
    font-size: 12px;
  }

  .table-wrap {
    margin: 12px -14px 0 -14px;
    padding: 0 14px;
    -webkit-overflow-scrolling: touch;
  }

  table {
    font-size: 12px;
    min-width: 480px;
  }

  th, td {
    padding: 8px 10px;
    white-space: nowrap;
  }

  .export-bar {
    flex-direction: column;
    gap: 10px;
    margin-top: 24px;
    padding-top: 20px;
  }

  .export-bar button {
    width: 100%;
    padding: 13px;
    text-align: center;
  }
}