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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #e0e0e0;
  background: #1a1a2e;
  padding: 1rem;
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1rem;
  margin: -1rem -1rem 1.5rem;
  background: #16162a;
  border-bottom: 1px solid #333;
  font-size: 0.85rem;
  color: #888;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

@media (min-width: 768px) {
  header { margin: -2rem -2rem 1.5rem; padding: 0.6rem 2rem; }
}

#header-left {
  display: flex;
  align-items: center;
  gap: 0.75em;
  min-width: 0;
}

#back-btn {
  color: #6eb5ff;
  text-decoration: none;
  font-size: 1.2em;
  display: none;
}

#doc-project {
  color: #ccc;
  text-decoration: none;
  font-weight: 600;
}

#doc-updated {
  color: #666;
  white-space: nowrap;
}

#header-actions {
  display: flex;
  gap: 0.5em;
  flex-shrink: 0;
}

#header-actions button {
  /* Minimum 44px tap target height for mobile accessibility */
  padding: 0.55em 1em;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85em;
  min-height: 44px;
  min-width: 72px;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* ── Action buttons (approve/reject/comment) ── */

.btn-approve, .btn-reject, .btn-comment {
  min-height: 44px;
  min-width: 72px;
  padding: 0.55em 1em;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85em;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.btn-approve {
  background: #1a3a1a;
  color: #6fbf6f;
  border: 1px solid #2d5a2d;
}

.btn-reject {
  background: #3a1a1a;
  color: #bf6f6f;
  border: 1px solid #5a2d2d;
}

.btn-comment {
  background: #1a2a3a;
  color: #6eb5ff;
  border: 1px solid #2d4a5a;
}

.btn-feedback-toggle {
  background: #2a2a3e;
  color: #aaa;
  border: 1px solid #444;
}

.btn-feedback-toggle.active {
  background: #1a2a3a;
  color: #6eb5ff;
  border-color: #2d4a5a;
}

/* ── Document-level feedback bar ── */

.feedback-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75em 1em;
  margin-bottom: 1.5em;
  background: #1e1e32;
  border: 1px solid #333;
  border-radius: 8px;
  gap: 0.75em;
  flex-wrap: wrap;
}

.feedback-status {
  font-weight: 600;
  font-size: 0.95em;
  padding: 0.3em 0.75em;
  border-radius: 4px;
}

.status-approved {
  color: #6fbf6f;
  background: #1a3a1a;
}

.status-rejected {
  color: #bf6f6f;
  background: #3a1a1a;
}

.status-pending {
  color: #888;
  background: #2a2a3e;
}

.feedback-btn-group {
  display: flex;
  gap: 0.5em;
  flex-wrap: wrap;
}

/* ── Per-section feedback controls ── */

.section-heading-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5em;
}

.section-feedback-controls {
  display: flex;
  gap: 0.3em;
  flex-shrink: 0;
}

.section-btn {
  background: none;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8em;
  padding: 0.2em 0.4em;
  min-width: 32px;
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  opacity: 0.5;
  transition: opacity 0.15s, border-color 0.15s;
}

.section-btn:hover,
.section-btn:active {
  opacity: 1;
}

.section-btn.active {
  opacity: 1;
  border-color: #444;
}

.section-approve:hover { color: #6fbf6f; }
.section-reject:hover { color: #bf6f6f; }
.section-comment:hover { color: #6eb5ff; }

/* ── Feedback sidebar panel ── */

.feedback-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  background: #16162a;
  border-left: 1px solid #333;
  z-index: 200;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.feedback-panel.open {
  transform: translateX(0);
}

.feedback-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1em;
  border-bottom: 1px solid #333;
  flex-shrink: 0;
}

.feedback-panel-header h3 {
  color: #fff;
  font-size: 1.1em;
  margin: 0;
}

.feedback-panel-close {
  background: none;
  border: none;
  color: #888;
  font-size: 1.2em;
  cursor: pointer;
  padding: 0.3em;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

.feedback-panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 1em;
  -webkit-overflow-scrolling: touch;
}

.feedback-empty {
  color: #666;
  text-align: center;
  padding: 2em 0;
  font-style: italic;
}

.feedback-group {
  margin-bottom: 1.5em;
}

.feedback-group h4 {
  color: #ccc;
  font-size: 0.9em;
  margin-bottom: 0.5em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid #2a2a3e;
}

.feedback-entry {
  padding: 0.6em;
  margin-bottom: 0.5em;
  background: #1e1e32;
  border-radius: 6px;
  border: 1px solid #2a2a3e;
}

.feedback-entry.resolved {
  opacity: 0.5;
}

.feedback-entry-meta {
  display: flex;
  align-items: center;
  gap: 0.5em;
  flex-wrap: wrap;
  font-size: 0.8em;
}

.feedback-badge {
  padding: 0.15em 0.5em;
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.85em;
  text-transform: uppercase;
}

.badge-approved {
  background: #1a3a1a;
  color: #6fbf6f;
}

.badge-rejected {
  background: #3a1a1a;
  color: #bf6f6f;
}

.badge-comment {
  background: #1a2a3a;
  color: #6eb5ff;
}

.feedback-time {
  color: #666;
  font-size: 0.9em;
}

.feedback-resolve-btn {
  margin-left: auto;
  background: #2a2a3e;
  color: #888;
  border: 1px solid #444;
  border-radius: 4px;
  padding: 0.2em 0.6em;
  font-size: 0.85em;
  cursor: pointer;
  min-height: 32px;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.feedback-resolved-tag {
  margin-left: auto;
  color: #555;
  font-style: italic;
  font-size: 0.85em;
}

.feedback-comment {
  margin-top: 0.4em;
  color: #bbb;
  font-size: 0.9em;
  line-height: 1.5;
}

/* ── Inline modal (replaces confirm/prompt blocked in iOS PWA mode) ── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  /* Prevent scroll behind overlay */
  overflow: hidden;
  -webkit-overflow-scrolling: none;
}

.modal-box {
  background: #1e1e32;
  border: 1px solid #444;
  border-radius: 10px;
  padding: 1.5rem;
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
}

.modal-box h3 {
  font-size: 1.1em;
  color: #fff;
  margin: 0;
}

.modal-box p {
  font-size: 0.95em;
  color: #bbb;
  margin: 0;
  line-height: 1.5;
}

.modal-textarea {
  width: 100%;
  background: #2a2a3e;
  border: 1px solid #555;
  border-radius: 6px;
  color: #e0e0e0;
  font-family: inherit;
  font-size: 0.95em;
  padding: 0.6em 0.75em;
  resize: vertical;
  min-height: 80px;
  outline: none;
  transition: border-color 0.15s;
}

.modal-textarea:focus {
  border-color: #6eb5ff;
}

.modal-btn-row {
  display: flex;
  gap: 0.6em;
  justify-content: flex-end;
}

.btn-modal-cancel {
  background: #2a2a3e;
  color: #aaa;
  border: 1px solid #444;
  border-radius: 6px;
  padding: 0.6em 1.2em;
  font-size: 0.95em;
  cursor: pointer;
  min-height: 44px;
  min-width: 80px;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.btn-modal-confirm {
  background: #1a3a1a;
  color: #6fbf6f;
  border: 1px solid #2d5a2d;
  border-radius: 6px;
  padding: 0.6em 1.2em;
  font-size: 0.95em;
  cursor: pointer;
  min-height: 44px;
  min-width: 80px;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.btn-modal-reject {
  background: #1a2a3a;
  color: #6eb5ff;
  border: 1px solid #2d4a5a;
  border-radius: 6px;
  padding: 0.6em 1.2em;
  font-size: 0.95em;
  cursor: pointer;
  min-height: 44px;
  min-width: 80px;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

main {
  max-width: 720px;
  margin: 0 auto;
  font-size: 18px;
}

@media (min-width: 768px) {
  main { font-size: 16px; }
  body { padding: 2rem; }
}

/* Headings */
main h1 { font-size: 1.8em; margin: 1em 0 0.5em; color: #fff; }
main h2 { font-size: 1.4em; margin: 1.2em 0 0.4em; color: #fff; }
main h3 { font-size: 1.15em; margin: 1em 0 0.3em; color: #ddd; }
main h4 { font-size: 1.05em; margin: 0.8em 0 0.2em; color: #ccc; }

/* Text */
main p { margin: 0.8em 0; }
main a { color: #6eb5ff; }
main strong { color: #fff; }
main ul, main ol { padding-left: 1.5em; margin: 0.8em 0; }
main li { margin: 0.3em 0; }

/* Code */
main code {
  background: #2a2a3e;
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-size: 0.9em;
  font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace;
}

main pre {
  background: #2a2a3e;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 1em 0;
  -webkit-overflow-scrolling: touch;
}

main pre code { background: none; padding: 0; }

/* Tables */
main table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  overflow-x: auto;
  display: block;
  -webkit-overflow-scrolling: touch;
}

main th, main td {
  border: 1px solid #444;
  padding: 0.5em 0.75em;
  text-align: left;
  white-space: nowrap;
}

main th { background: #2a2a3e; color: #fff; }

/* Blockquotes */
main blockquote {
  border-left: 3px solid #6eb5ff;
  padding-left: 1em;
  margin: 1em 0;
  color: #aaa;
}

/* Horizontal rules */
main hr { border: none; border-top: 1px solid #333; margin: 2em 0; }

/* Checkboxes (plan tasks) */
main input[type="checkbox"] { margin-right: 0.5em; }

/* Status messages */
.loading { color: #666; text-align: center; padding: 3em 0; }
.error { color: #ff6b6b; text-align: center; padding: 3em 0; }