@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
  --bg: #f4f5f7;
  --paper: #fff;
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --border: #e0e0e0;
  --green: #2ca01c;
  --green-dark: #0d3b29;
  --blue: #0077c5;
  --accent-light: #e8f5e9;
  --warn-bg: #fef9e7;
  --warn-text: #856404;
  --why-bg: #f0f7ff;
  --why-text: #1565c0;
  --sidebar-w: 340px;
  --topbar-h: 64px;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ─── Top bar ─── */
.topbar {
  background: var(--green-dark);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.topbar h1 { font-size: 1.125rem; font-weight: 700; }
.topbar p { font-size: 0.8125rem; opacity: 0.85; margin-top: 2px; }
.topbar-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: opacity 0.15s;
}
.btn:hover { opacity: 0.9; }
.btn-primary { background: var(--green); color: #fff; }
.btn-secondary { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.3); }
.btn-outline { background: var(--paper); color: var(--green-dark); border: 1px solid var(--border); border-radius: 8px; }
.btn-text { background: none; border: none; color: var(--blue); font-size: 0.8125rem; font-weight: 600; cursor: pointer; padding: 4px 0; }

/* ─── Layout ─── */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: calc(100vh - var(--topbar-h));
}
@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }
  .intake-grid { grid-template-columns: 1fr; }
}

/* ─── Sidebar intake ─── */
.sidebar {
  background: #fafbfc;
  border-right: 1px solid var(--border);
  overflow-y: auto;
  max-height: calc(100vh - var(--topbar-h));
}
.sidebar-inner { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.sidebar-header h2 { font-size: 1.125rem; font-weight: 700; }
.sidebar .lead { font-size: 0.8125rem; color: var(--muted); }

.panel {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}
.panel-intake { display: flex; flex-direction: column; gap: 10px; }
.panel-steps .hint-compact { margin-bottom: 8px; }
.intake-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.intake-grid--toggles { align-items: start; }
.toggle-field { min-width: 0; }
.toggle-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 4px;
}
.field-optional {
  font-style: normal;
  font-weight: 500;
  color: #999;
  font-size: 0.6875rem;
}
.sidebar .field { margin-bottom: 0; }
.sidebar label.field span {
  font-size: 0.75rem;
  margin-bottom: 3px;
}
.sidebar select,
.sidebar input[type="text"] {
  font-size: 0.8125rem;
  padding: 6px 10px;
  border-radius: 6px;
}
.sidebar .radio-row { gap: 10px; margin-top: 0; }
.sidebar .radio-row label { font-size: 0.8125rem; }
.panel h3 {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.panel .hint { font-size: 0.75rem; color: var(--muted); margin-bottom: 8px; }

label.field { display: block; margin-bottom: 12px; }
label.field span { display: block; font-size: 0.8125rem; font-weight: 600; margin-bottom: 4px; color: var(--muted); }
select, input[type="text"], textarea {
  width: 100%;
  font-family: inherit;
  font-size: 0.875rem;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--paper);
}
select:focus, input:focus, textarea:focus {
  outline: 2px solid var(--green);
  outline-offset: 1px;
}

select optgroup {
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--muted);
  font-style: normal;
}

select optgroup option {
  font-weight: 400;
  font-size: 0.875rem;
  color: inherit;
  padding-left: 4px;
}

.radio-row { display: flex; gap: 16px; margin-top: 4px; }
.radio-row label { display: flex; align-items: center; gap: 6px; font-size: 0.875rem; cursor: pointer; }

.step-checklist { display: flex; flex-direction: column; gap: 4px; }
.step-check {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 0.75rem;
  padding: 5px 6px;
  border-radius: 4px;
  cursor: pointer;
}
.step-check:hover { background: var(--bg); }
.step-check.optional { opacity: 0.95; }
.step-check.locked { opacity: 1; font-weight: 500; }
.step-check.locked input:disabled { cursor: not-allowed; }
.step-check input { margin-top: 3px; flex-shrink: 0; }
.muted { color: var(--muted); font-size: 0.8125rem; }

/* ─── Preview ─── */
.preview {
  overflow-y: auto;
  max-height: calc(100vh - var(--topbar-h));
  padding: 20px 24px 24px;
}
.preview-header {
  text-align: left;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.preview-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
  line-height: 1.25;
}
.preview-header-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
}
.preview-header .subtitle {
  font-size: 0.875rem;
  color: var(--muted);
  margin: 0;
}
.preview-header .meta {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0;
}
.preview-header .meta:empty { display: none; }

.step-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  overflow: hidden;
  transition: border-color 0.15s;
}
.step-card:hover { border-color: #ccc; }

.step-header-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-right: 8px;
}

.step-header {
  flex: 1;
  min-width: 0;
  width: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: background 0.15s ease;
}
.step-header-row:hover .step-header,
.step-header-row:focus-within .step-header,
.step-header:hover,
.step-header:focus-visible {
  background: #f8fafc;
  outline: none;
}

.btn-step-edit {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  color: var(--blue);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn-step-edit-icon {
  display: block;
}
.btn-step-edit:hover,
.btn-step-edit:focus-visible {
  background: #eff6ff;
  border-color: #93c5fd;
  outline: none;
}
.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--green-dark);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-title-wrap { flex: 1; min-width: 0; }
.step-title { font-size: 0.875rem; font-weight: 600; line-height: 1.3; }
.tag-optional {
  font-size: 0.5625rem;
  font-weight: 600;
  background: #fff3e0;
  color: #e65100;
  padding: 1px 5px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}
.chev { color: var(--muted); font-size: 0.6875rem; transition: transform 0.2s; }
.step-header[aria-expanded="true"] .chev { transform: rotate(180deg); }

.step-body {
  display: none;
  padding: 0 14px 12px 46px;
  border-top: 1px solid #f0f0f0;
}
.step-body.open { display: block; }

.why-box {
  background: var(--why-bg);
  color: var(--why-text);
  font-size: 0.75rem;
  font-style: italic;
  padding: 8px 10px;
  border-radius: 6px;
  margin: 8px 0;
  line-height: 1.45;
}

.deadline-banner {
  background: #fffbeb;
  border: 1px solid #f59e0b;
  border-radius: 6px;
  padding: 10px 12px;
  margin: 8px 0 10px;
}
.deadline-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: #b45309;
  margin-bottom: 4px;
}
.deadline-meta {
  font-size: 0.75rem;
  color: #78350f;
  margin-bottom: 2px;
}
.deadline-penalty {
  font-size: 0.75rem;
  color: #92400e;
  line-height: 1.4;
}
.step-desc p { font-size: 0.8125rem; margin-bottom: 6px; color: #393939; line-height: 1.45; }
.fee-line, .fee-heading { font-size: 0.8125rem; margin: 8px 0 4px; color: #393939; }
.fee-heading { margin-bottom: 2px; }
.step-list { padding-left: 16px; margin: 6px 0; font-size: 0.8125rem; }
.step-list li { margin-bottom: 4px; line-height: 1.4; }
.step-sublist { padding-left: 14px; margin-top: 2px; color: var(--muted); font-size: 0.75rem; }

.desc-section {
  border: 1px solid var(--border);
  border-radius: 6px;
  margin: 8px 0;
  overflow: hidden;
  background: #fff;
}
.desc-section-title {
  padding: 7px 10px;
  background: #f8fafc;
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
}
.desc-section-body {
  padding: 8px 10px 10px;
}
.desc-section-body .step-list:first-child { margin-top: 0; }

.expert-note {
  background: var(--warn-bg);
  color: var(--warn-text);
  font-size: 0.75rem;
  padding: 8px 10px;
  border-radius: 6px;
  margin: 8px 0;
  line-height: 1.45;
}
.warning-box {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 6px;
  padding: 8px 10px;
  margin: 8px 0;
  font-size: 0.75rem;
  color: #991b1b;
}
.warning-box ul { padding-left: 16px; margin: 0; }
.warning-box li { margin-bottom: 4px; }
.cost-tag {
  display: inline-block;
  font-size: 0.6875rem;
  background: var(--warn-bg);
  color: var(--warn-text);
  padding: 3px 8px;
  border-radius: 4px;
  margin: 6px 0;
}
.link-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.75rem;
  color: var(--blue);
  text-decoration: none;
  background: var(--paper);
}
.link-btn:hover { background: #eef6ff; border-color: var(--blue); }
/* ─── Mistakes ─── */
.mistakes-section {
  margin-top: 16px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
  overflow: hidden;
}
.mistakes-header {
  padding: 10px 14px;
  font-size: 0.875rem;
  font-weight: 700;
}
.mistakes-body { padding: 0 14px 12px; }
.mistake-item { margin-bottom: 10px; }
.mistake-item:last-child { margin-bottom: 0; }
.mistake-item h4 { font-size: 0.8125rem; font-weight: 700; margin-bottom: 2px; }
.mistake-item p { font-size: 0.75rem; color: #444; line-height: 1.45; }

/* ─── Modals ─── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--paper);
  border-radius: 12px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.modal h3 { font-size: 1.125rem; margin-bottom: 16px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.modal textarea { min-height: 120px; resize: vertical; }
.share-url-row { display: flex; gap: 8px; margin-top: 12px; }
.share-url-row input { flex: 1; font-size: 0.75rem; }
.share-warning { color: #92400e; background: #fffbeb; border: 1px solid #fde68a; padding: 10px 12px; border-radius: 8px; margin-top: 10px; }
.share-warning.is-hidden { display: none; }
.mistake-edit-row { border-bottom: 1px solid var(--border); padding-bottom: 12px; margin-bottom: 12px; }
.mistake-edit-row label { display: block; margin-bottom: 8px; font-size: 0.8125rem; font-weight: 600; }

/* ─── View page ─── */
.view-page .preview { max-width: 820px; margin: 0 auto; padding: 20px 24px 28px; }
.view-page .topbar { justify-content: center; text-align: center; }
.error-box {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: 16px;
  border-radius: 8px;
  margin: 24px;
}

/* ─── Toast ─── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--green-dark);
  color: #fff;
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  z-index: 200;
  pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

.disclaimer {
  font-size: 0.75rem;
  color: var(--muted);
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--paper);
}

@media print {
  .topbar, .sidebar, .btn, .modal-overlay, .toast, .disclaimer { display: none !important; }
  .layout { display: block; }
  .step-body { display: block !important; }
}