/* ═══════════════════════════════════════════════════════════
   STYLES — Requirements Compliance Checker
   Part 1 + Part 2 (9 Questions)
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg:           #0A0E1A;
  --surface:      #111827;
  --surface2:     #1A2236;
  --border:       #1F2A42;
  --border-focus: #6366F1;
  --text:         #E8ECF4;
  --text-dim:     #6B7A99;
  --accent:       #6366F1;
  --accent-hover: #5254CC;
  --accent-glow:  rgba(99, 102, 241, 0.12);
  --pass:         #10B981;
  --pass-bg:      rgba(16, 185, 129, 0.07);
  --pass-border:  rgba(16, 185, 129, 0.25);
  --fail:         #EF4444;
  --fail-bg:      rgba(239, 68, 68, 0.07);
  --fail-border:  rgba(239, 68, 68, 0.25);
  --warn:         #F59E0B;
  --warn-bg:      rgba(245, 158, 11, 0.07);
  --warn-border:  rgba(245, 158, 11, 0.25);
  --info:         #3B82F6;
  --info-bg:      rgba(59, 130, 246, 0.07);
  --radius:       10px;
}

/* ── Light theme ─────────────────────────────────────────── */
:root[data-theme="light"] {
  --bg:           #F4F6FB;
  --surface:      #FFFFFF;
  --surface2:     #EDF0F7;
  --border:       #E1E6F0;
  --border-focus: #6366F1;
  --text:         #1A2236;
  --text-dim:     #5A6683;
  --accent:       #5254CC;
  --accent-hover: #4446B8;
  --accent-glow:  rgba(99, 102, 241, 0.12);
  --pass:         #059669;
  --pass-bg:      rgba(5, 150, 105, 0.08);
  --pass-border:  rgba(5, 150, 105, 0.30);
  --fail:         #DC2626;
  --fail-bg:      rgba(220, 38, 38, 0.07);
  --fail-border:  rgba(220, 38, 38, 0.28);
  --warn:         #B45309;
  --warn-bg:      rgba(180, 83, 9, 0.09);
  --warn-border:  rgba(180, 83, 9, 0.28);
  --info:         #2563EB;
  --info-bg:      rgba(37, 99, 235, 0.08);
}
:root[data-theme="light"] textarea::placeholder { color: #9AA3B8; }

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

/* ── Theme toggle ────────────────────────────────────────── */
.theme-toggle {
  position: fixed; top: 16px; right: 16px; z-index: 50;
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-dim); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: color 0.15s, border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.theme-toggle:hover { color: var(--text); border-color: var(--text-dim); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18); }
.theme-icon { width: 20px; height: 20px; }
.theme-icon.icon-moon { display: none; }
:root[data-theme="light"] .theme-icon.icon-sun { display: none; }
:root[data-theme="light"] .theme-icon.icon-moon { display: block; }

body {
  font-family: "DM Sans", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* ── Layout ──────────────────────────────────────────────── */
.app { max-width: 880px; margin: 0 auto; padding: 48px 20px 100px; }

/* ── Header ──────────────────────────────────────────────── */
header { text-align: center; margin-bottom: 44px; }
header h1 { font-size: 1.85rem; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 6px; }
header h1 span { background: linear-gradient(135deg, #818CF8, #6366F1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
header p { color: var(--text-dim); font-size: 0.9rem; }

/* ── Panel ───────────────────────────────────────────────── */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 20px; }
.panel-label { display: block; font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); margin-bottom: 12px; }

/* ── Textarea ────────────────────────────────────────────── */
textarea {
  width: 100%; min-height: 160px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-family: "JetBrains Mono", monospace; font-size: 0.85rem; line-height: 1.8;
  padding: 16px; resize: vertical; transition: border-color 0.2s, box-shadow 0.2s;
}
textarea:focus { outline: none; border-color: var(--border-focus); box-shadow: 0 0 0 3px var(--accent-glow); }
textarea::placeholder { color: #2D3A56; }
.hint { margin-top: 8px; font-size: 0.78rem; color: var(--text-dim); }
.hint kbd { background: var(--surface2); border: 1px solid var(--border); border-radius: 3px; padding: 1px 5px; font-family: "JetBrains Mono", monospace; font-size: 0.72rem; }

/* ── Buttons ─────────────────────────────────────────────── */
.actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.btn { font-family: "DM Sans", sans-serif; font-weight: 600; font-size: 0.85rem; border: none; border-radius: 8px; padding: 11px 24px; cursor: pointer; transition: all 0.15s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 6px 24px var(--accent-glow); }
.btn-ghost { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-dim); }
.btn-example { background: transparent; color: var(--accent); border: 1px dashed var(--border); font-size: 0.8rem; padding: 8px 14px; }
.btn-example:hover { border-color: var(--accent); background: var(--accent-glow); }

/* ── Results Area ────────────────────────────────────────── */
#results-area { display: none; margin-top: 32px; }
.results-heading { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); margin-bottom: 16px; font-weight: 600; }

/* ── Summary Bar ─────────────────────────────────────────── */
.summary-bar { display: flex; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.summary-stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 20px; flex: 1; min-width: 120px; text-align: center; }
.summary-stat .num { font-size: 1.8rem; font-weight: 700; line-height: 1; margin-bottom: 4px; }
.summary-stat .lbl { font-size: 0.75rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.num-total { color: var(--accent); }
.num-pass  { color: var(--pass); }
.num-warn  { color: var(--warn); }
.num-fail  { color: var(--fail); }

/* ── Legend ───────────────────────────────────────────────── */
.legend { display: flex; gap: 20px; flex-wrap: wrap; padding: 14px 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 20px; font-size: 0.78rem; color: var(--text-dim); }
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* ── Result Card ─────────────────────────────────────────── */
.result-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; opacity: 0; transform: translateY(10px); animation: fadeUp 0.35s ease forwards; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

.card-header { display: flex; align-items: center; gap: 14px; padding: 16px 20px; cursor: pointer; user-select: none; transition: background 0.15s; }
.card-header:hover { background: var(--surface2); }

.score-ring { flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.8rem; }
.ring-pass { background: var(--pass-bg); color: var(--pass); border: 2px solid var(--pass-border); }
.ring-warn { background: var(--warn-bg); color: var(--warn); border: 2px solid var(--warn-border); }
.ring-fail { background: var(--fail-bg); color: var(--fail); border: 2px solid var(--fail-border); }

.card-info { flex: 1; min-width: 0; }
.card-req { font-family: "JetBrains Mono", monospace; font-size: 0.82rem; line-height: 1.5; word-break: break-word; margin-bottom: 4px; }
.card-tagline { font-size: 0.78rem; color: var(--text-dim); }
.card-chevron { flex-shrink: 0; width: 20px; height: 20px; color: var(--text-dim); transition: transform 0.2s; }
.result-card.open .card-chevron { transform: rotate(180deg); }

.card-body { display: none; padding: 0 20px 20px; }
.result-card.open .card-body { display: block; }
.card-divider { height: 1px; background: var(--border); margin-bottom: 16px; }

/* ── Check Sections ──────────────────────────────────────── */
.check-section { margin-bottom: 20px; }
.check-section:last-child { margin-bottom: 0; }
.check-section-title { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-dim); font-weight: 600; margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }

.check-row { display: flex; align-items: flex-start; gap: 10px; padding: 6px 0; font-size: 0.85rem; line-height: 1.5; }
.check-icon { flex-shrink: 0; width: 18px; height: 18px; margin-top: 2px; }
.icon-pass { color: var(--pass); }
.icon-fail { color: var(--fail); }
.icon-warn { color: var(--warn); }
.icon-info { color: var(--info); }
.check-text { flex: 1; }

/* ═════════════════════════════════════════════════════════
   9 QUESTIONS GRID
   ═════════════════════════════════════════════════════════ */

.section-title-9q {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nine-q-badge {
  background: var(--accent-glow);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 99px;
  border: 1px solid rgba(99, 102, 241, 0.25);
  letter-spacing: 0;
  text-transform: none;
}

.nine-q-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}

.nine-q-cell {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  transition: border-color 0.15s, background 0.15s;
  cursor: default;
}

.nine-q-cell:hover {
  border-color: #2D3E60;
  background: var(--surface2);
}

.q-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.q-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.q-pass { background: var(--pass); box-shadow: 0 0 6px rgba(16, 185, 129, 0.4); }
.q-warn { background: var(--warn); box-shadow: 0 0 6px rgba(245, 158, 11, 0.4); }
.q-fail { background: var(--fail); box-shadow: 0 0 6px rgba(239, 68, 68, 0.4); }

.q-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.q-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
}

.q-detail {
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--text-dim);
}

.q-detail b { color: var(--text); font-weight: 600; }

/* 9Q summary line */
.nine-q-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  padding-top: 4px;
}

.nq-pass { color: var(--pass); font-weight: 600; }
.nq-warn { color: var(--warn); font-weight: 600; }
.nq-fail { color: var(--fail); font-weight: 600; }
.nq-sep  { color: var(--border); }

/* ═════════════════════════════════════════════════════════
   SMART ASSESSMENT
   ═════════════════════════════════════════════════════════ */
.smart-list { display: flex; flex-direction: column; gap: 8px; }
.smart-item { display: flex; align-items: flex-start; gap: 12px; background: var(--bg); border: 1px solid var(--border); border-left-width: 3px; border-radius: 8px; padding: 10px 12px; }
.smart-letter { flex-shrink: 0; width: 28px; height: 28px; border-radius: 7px; display: flex; align-items: center; justify-content: center; font-family: "JetBrains Mono", monospace; font-weight: 700; font-size: 0.9rem; }
.smart-meta { flex: 1; min-width: 0; }
.smart-label { font-size: 0.82rem; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.smart-detail { font-size: 0.78rem; color: var(--text-dim); line-height: 1.45; }

.smart-pass { border-left-color: var(--pass); }
.smart-pass .smart-letter { background: var(--pass-bg); color: var(--pass); border: 1px solid var(--pass-border); }
.smart-warn { border-left-color: var(--warn); }
.smart-warn .smart-letter { background: var(--warn-bg); color: var(--warn); border: 1px solid var(--warn-border); }
.smart-fail { border-left-color: var(--fail); }
.smart-fail .smart-letter { background: var(--fail-bg); color: var(--fail); border: 1px solid var(--fail-border); }

/* SMART legend mini-badge (info panel) */
.smart-legend li { align-items: center; }
.smart-mini { flex-shrink: 0; width: 22px; height: 22px; border-radius: 6px; display: inline-flex; align-items: center; justify-content: center; font-family: "JetBrains Mono", monospace; font-weight: 700; font-size: 0.78rem; background: var(--accent-glow); color: var(--accent); border: 1px solid rgba(99, 102, 241, 0.25); }

/* ═════════════════════════════════════════════════════════
   INFO PANEL — "What this validator checks"
   ═════════════════════════════════════════════════════════ */
.info-panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-top: 32px; overflow: hidden; }
.info-summary { display: flex; align-items: center; gap: 14px; padding: 18px 24px; cursor: pointer; user-select: none; list-style: none; transition: background 0.15s; }
.info-summary::-webkit-details-marker { display: none; }
.info-summary:hover { background: var(--surface2); }
.info-summary-main { flex: 1; min-width: 0; }
.info-summary-title { display: block; font-weight: 600; font-size: 0.95rem; color: var(--text); }
.info-summary-sub { display: block; font-size: 0.78rem; color: var(--text-dim); margin-top: 2px; }
.info-chevron { flex-shrink: 0; width: 20px; height: 20px; color: var(--text-dim); transition: transform 0.2s; }
.info-panel[open] .info-chevron { transform: rotate(180deg); }

.info-content { padding: 4px 24px 24px; }
.info-group { margin-top: 24px; }
.info-group:first-child { margin-top: 8px; }
.info-group-head { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; font-weight: 600; color: var(--text); padding-bottom: 12px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.info-part-badge { background: var(--accent-glow); color: var(--accent); font-size: 0.68rem; font-weight: 700; padding: 3px 9px; border-radius: 99px; border: 1px solid rgba(99, 102, 241, 0.25); }

.info-block { margin-bottom: 18px; }
.info-block:last-child { margin-bottom: 0; }
.info-block-title { font-size: 0.82rem; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.info-block-desc { font-size: 0.8rem; color: var(--text-dim); margin-bottom: 10px; line-height: 1.55; }

/* modal-verb list */
.verb-list, .quality-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.verb-list li { display: flex; align-items: baseline; gap: 10px; font-size: 0.82rem; color: var(--text-dim); line-height: 1.5; }
.verb-tag { flex-shrink: 0; font-family: "JetBrains Mono", monospace; font-size: 0.72rem; font-weight: 500; padding: 2px 8px; border-radius: 5px; white-space: nowrap; }
.tag-pass { background: var(--pass-bg); color: var(--pass); border: 1px solid var(--pass-border); }
.tag-fail { background: var(--fail-bg); color: var(--fail); border: 1px solid var(--fail-border); }
.tag-warn { background: var(--warn-bg); color: var(--warn); border: 1px solid var(--warn-border); }
.tag-info { background: var(--info-bg); color: var(--info); border: 1px solid rgba(59, 130, 246, 0.25); }

/* anatomy chips */
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.anat-chip { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; font-size: 0.78rem; color: var(--text-dim); }
.anat-chip b { color: var(--text); font-weight: 600; margin-right: 6px; }

/* quality list */
.quality-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.82rem; color: var(--text-dim); line-height: 1.5; }
.quality-list li b { color: var(--text); font-weight: 600; }
.qi-dot { flex-shrink: 0; width: 8px; height: 8px; border-radius: 50%; margin-top: 7px; }
.dot-pass { background: var(--pass); }
.dot-fail { background: var(--fail); }
.dot-warn { background: var(--warn); }
.dot-info { background: var(--info); }

/* 9-questions reference grid */
.info-9q-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.info-9q { position: relative; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 12px; display: flex; flex-direction: column; gap: 4px; transition: border-color 0.15s; }
.info-9q:hover { border-color: #2D3E60; }
.info-9q b { font-size: 0.82rem; color: var(--text); font-weight: 600; }
.info-9q > span:last-child { font-size: 0.75rem; color: var(--text-dim); line-height: 1.45; }
.info-9q em { color: var(--text); font-style: italic; }
.info-9q-num { position: absolute; top: 10px; right: 12px; font-family: "JetBrains Mono", monospace; font-size: 0.7rem; font-weight: 700; color: var(--text-dim); opacity: 0.5; }

.info-foot { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 0.78rem; color: var(--text-dim); line-height: 1.7; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 700px) {
  .nine-q-grid { grid-template-columns: repeat(2, 1fr); }
  .info-9q-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .app { padding: 24px 14px 80px; }
  header h1 { font-size: 1.4rem; }
  .summary-bar { gap: 8px; }
  .summary-stat { padding: 12px; min-width: 70px; }
  .summary-stat .num { font-size: 1.3rem; }
  .nine-q-grid { grid-template-columns: 1fr; }
  .info-9q-grid { grid-template-columns: 1fr; }
  .info-summary { padding: 16px; }
  .info-content { padding: 4px 16px 20px; }
}