:root {
  --primary: #2563eb;
  --primary-light: #dbeafe;
  --success: #16a34a;
  --warning: #ea580c;
  --danger: #dc2626;
  --text: #1f2937;
  --text-light: #6b7280;
  --text-dim: #9ca3af;
  --border: #e5e7eb;
  --bg: #f9fafb;
  --bg-card: #ffffff;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* HEADER */
.header {
  background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
  color: white;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-lg);
}

.header-left { 
  flex: 1; 
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: white;
  font-weight: 700;
  font-size: 14px;
  transition: opacity 0.2s;
}

.logo:hover { opacity: 0.9; }

.logo-icon {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.2);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
  font-size: 12px;
}

.header-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 0;
}

.header-subtitle {
  font-size: 13px;
  opacity: 0.9;
  min-height: 20px;
}

.header-right { 
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header-button {
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.2);
  color: white;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
}

.header-button:hover {
  background: rgba(255,255,255,0.3);
  border-color: white;
}

.step-counter {
  background: rgba(255,255,255,0.2);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

/* MAIN NAVIGATION */
.main-nav {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.nav-tab {
  padding: 0.75rem 1.5rem;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s;
}

.nav-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.nav-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.tab-icon { font-size: 16px; }

/* CONTENT AREA */
.content-area {
  flex: 1;
  padding: 2rem;
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
}

.tool {
  display: none;
}

.tool.active {
  display: block;
}

/* STEP NAV */
.step-nav {
  margin-bottom: 2rem;
  overflow-x: auto;
}

.steps-container {
  display: flex;
  gap: 0.5rem;
  min-width: min-content;
  padding: 0.5rem;
}

.step-item {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  background: var(--bg);
  border: 2px solid var(--border);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.2s;
}

.step-item:hover { background: var(--primary-light); border-color: var(--primary); }
.step-item.active { background: var(--primary); color: white; border-color: var(--primary); }

/* STEP CONTENT */
.step-content {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.step { display: none; }

.step h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.notice {
  font-size: 13px;
  color: var(--text-light);
  background: var(--primary-light);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--primary);
}

/* FIELDS */
.field-grid {
  display: grid;
  gap: 1.5rem;
}

.field-grid.col1 { grid-template-columns: 1fr; }

.field {
  display: flex;
  flex-direction: column;
}

.field label {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.field input,
.field select,
.field textarea {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  transition: border-color 0.2s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.field small {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

/* ROLES */
.required-roles {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.role-required {
  display: flex;
  align-items: center;
  padding: 1rem;
  background: var(--bg);
  border-radius: 6px;
  border: 1px solid var(--border);
}

.role-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.role-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.role-checkbox label {
  margin: 0;
  font-weight: 600;
  cursor: pointer;
}

/* WP TYPES */
#wp-types-table { overflow-x: auto; }

.wp-type-row {
  display: grid;
  grid-template-columns: 30px 200px 200px;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  background: var(--bg);
  border-radius: 6px;
  margin-bottom: 0.5rem;
  border: 1px solid var(--border);
}

/* BUTTONS */
.add-btn {
  padding: 0.75rem 1.25rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.add-btn:hover { background: #1d4ed8; }

.nav-btn {
  padding: 0.75rem 1.5rem;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.nav-btn:hover { border-color: var(--primary); color: var(--primary); }

.nav-btn.primary {
  background: var(--success);
  color: white;
  border-color: var(--success);
}

.nav-btn.primary:hover { background: #15803d; border-color: #15803d; }

.nav-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* NAVIGATION */
.step-navigation {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

/* COMMENTS */
.comments-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--border);
}

.comments-toggle {
  padding: 0.5rem 1rem;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.comments-toggle:hover { background: var(--primary); color: white; }

/* MODAL */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 2rem;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.modal-header h3 { font-size: 18px; margin: 0; }

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-dim);
}

.modal-close:hover { color: var(--text); }

/* UTILITY */
.sub-heading {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .header { flex-direction: column; text-align: center; gap: 1rem; }
  .main-nav { flex-wrap: wrap; }
  .content-area { padding: 1rem; }
  .step-content { padding: 1rem; }
  .wp-type-row { grid-template-columns: 1fr; }
  .step-navigation { flex-direction: column; }
}