/* ── Card ────────────────────────────────────────────────── */

.card {
  background: var(--surface);
  border: 1px solid var(--gold-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow:
    0 0 24px var(--gold-glow),
    inset 0 1px 0 rgba(255, 220, 100, 0.04);
}

/* ── Meta area ───────────────────────────────────────────── */

.meta-area {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--gold-border);
  background: var(--surface-raised);
}

.meta-title-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.meta-title-row-compact {
  margin-bottom: 0.55rem;
  justify-content: flex-end;
}

.meta-title {
  flex: 1;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.meta-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  margin-top: 0.1rem;
  background: none;
  border: 1px solid var(--silver-border);
  border-radius: var(--r-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.meta-toggle:hover {
  color: var(--text);
  border-color: var(--silver);
}

.meta-toggle svg {
  transition: transform 0.2s ease;
}

.meta-area.meta-collapsed .meta-toggle svg {
  transform: rotate(180deg);
}

.meta-area.meta-collapsed .meta-title-row {
  margin-bottom: 0;
}

.meta-area.meta-collapsed .meta-grid {
  display: none;
}

.meta-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

/* ── Report toolbar button ───────────────────────────────── */
#report-btn.active {
  color: var(--gold);
  border-color: var(--gold-border);
  background: var(--gold-dim);
}

/* ── Report icon on meta fields ──────────────────────────── */
.meta-item-wrap {
  position: relative;
  display: inline-flex;
  min-width: 80px;
}

.meta-report-btn {
  position: absolute;
  top: 0;
  right: 0;
  transform: translate(40%, -40%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  padding: 0;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, border-color 0.15s, background 0.15s;
  line-height: 1;
  z-index: 1;
}
.report-mode .meta-report-btn {
  opacity: 1;
  color: var(--gold);
  border-color: var(--gold-border);
  background: var(--surface-raised);
}
.meta-item-wrap:hover .meta-report-btn,
.meta-report-btn:focus-visible {
  opacity: 1;
}
.meta-report-btn:hover {
  color: var(--gold);
  border-color: var(--gold);
  background: var(--gold-dim);
}

/* ── Report button inside code-block headers ─────────────── */
/* Inherits .copy-btn styles; hidden until report-mode */
.report-section-btn {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s, color 0.15s, border-color 0.15s, background 0.15s;
}
.report-mode .report-section-btn {
  opacity: 1;
  pointer-events: auto;
  color: var(--gold);
  border-color: var(--gold-border);
  background: var(--gold-dim);
}
.report-mode .report-section-btn:hover,
.report-section-btn:focus-visible {
  opacity: 1;
  color: var(--text);
  border-color: var(--gold);
  background: var(--gold-dim);
}

/* ── Explanation section header ──────────────────────────── */
.details-section-hdr {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.details-section-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.details-section-hdr .report-section-btn {
  /* Override copy-btn padding for the inline header context */
  padding: 0.1rem 0.3rem;
  font-size: 0.625rem;
}

.meta-item {
  display: flex;
  flex-direction: column;
  background: var(--surface-raised);
  border: 1px solid var(--gold-border);
  border-radius: var(--r-md);
  box-shadow: 0 0 8px var(--gold-glow);
  min-width: 80px;
  padding: 0;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.12s;
}

.meta-item:hover {
  border-color: var(--gold);
  box-shadow: 0 0 16px var(--gold-glow), 0 2px 8px rgba(0,0,0,0.15);
  transform: translateY(-1px);
}

.meta-item:hover .meta-label {
  color: var(--gold);
}

.meta-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-label);
  background: var(--surface-3);
  border-bottom: 1px solid var(--gold-border);
  padding: 0.3rem 0.75rem;
}

.meta-value {
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--font-mono), ui-monospace, monospace;
  color: var(--text);
  padding: 0.45rem 0.75rem;
}

.sev-critical { color: #ef4444; }
.sev-high     { color: #f97316; }
.sev-medium   { color: #eab308; }
.sev-low      { color: #3b82f6; }

[data-theme="light"] .sev-critical { color: #b91c1c; }
[data-theme="light"] .sev-high     { color: #c2410c; }
[data-theme="light"] .sev-medium   { color: #a16207; }
[data-theme="light"] .sev-low      { color: #1d4ed8; }

.meta-item-static {
  cursor: default;
}
.meta-item-static:hover {
  border-color: var(--gold-border);
  box-shadow: 0 0 8px var(--gold-glow);
  transform: none;
}
.meta-item-static:hover .meta-label { color: var(--text-label); }

/* ── Challenge prompt ────────────────────────────────────── */

.challenge-prompt {
  display: flex;
  flex-direction: column;
  background: var(--surface-2);
  border-top: 1px solid var(--gold-border);
}

.meta-challenge-label {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8125rem;
}

.challenge-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem 0.5rem;
  width: 100%;
  padding: 0.55rem 1.5rem;
}

.challenge-group-primary,
.challenge-group-reveal {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Reveal group stays right-anchored even when it wraps to its own row */
.challenge-group-reveal { margin-left: auto; }




/* ── Filter indicator row (snippet page, below toolbar buttons) ────────────── */
.filter-indicator-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  width: 100%;
  padding: 0.3rem 0 0;
}

.filter-indicator-row.hidden { display: none; }

.snippet-raw-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  font-family: var(--font-mono), ui-monospace, monospace;
  color: var(--text-muted);
  padding: 0.25rem 0 0;
  opacity: 0.7;
}
.snippet-raw-links a {
  color: var(--text-muted);
  text-decoration: none;
}
.snippet-raw-links a:hover { text-decoration: underline; }

.filter-indicator-label {
  font-size: 0.72rem;
  font-family: var(--font-mono), ui-monospace, monospace;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Individual filter chips — btn-secondary style */
.filter-indicator-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  font-family: var(--font-mono), ui-monospace, monospace;
  font-weight: 600;
  color: var(--text-label);
  background: transparent;
  border: 1px solid var(--silver-border);
  border-radius: var(--r-sm);
  padding: 0.18rem 0.5rem;
  white-space: nowrap;
  cursor: default;
}

.filter-indicator-chip-x {
  display: inline-flex;
  align-items: center;
  background: none;
  border: none;
  padding: 0;
  margin-left: 0.1rem;
  font-size: 0.9rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s;
}

.filter-indicator-chip-x:hover { color: var(--text); }

.filter-indicator-clear {
  font-size: 0.72rem;
  font-family: var(--font-mono), ui-monospace, monospace;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--silver-border);
  border-radius: var(--r-sm);
  padding: 0.18rem 0.55rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.filter-indicator-clear:hover {
  border-color: var(--gold-border);
  color: var(--gold);
  background: var(--gold-dim);
}

/* ── Challenge area buttons ─────────────────────────────────── */
.challenge-btn { padding: 0.28rem 0.65rem; }

.challenge-btn.active,
.challenge-btn[aria-pressed="true"] { color: var(--gold); border-color: var(--gold-border); background: var(--gold-dim); }

/* Show Fix pressed state — orange signals "you are viewing the patched code". */
.challenge-btn[data-mode="fix"] {
  color: var(--orange);
  border-color: var(--orange);
  background: var(--orange-dim);
}

/* Prominent CTA — the Check button stands out as the action to take. */
.challenge-btn-primary { color: #fff; background: var(--accent); border-color: var(--accent); }
.challenge-btn-primary:not(:disabled):hover { color: #fff; background: var(--accent); border-color: var(--accent); opacity: 0.9; }

.guess-result {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  border-bottom: 1px solid transparent;
}
.guess-result::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  background: currentColor;
}
.guess-result.good {
  color: var(--green);
  background: var(--green-dim);
  border-bottom-color: var(--green-border);
}
.guess-result.partial {
  color: #c89a00;
  background: var(--gold-dim);
  border-bottom-color: var(--gold-border);
}
[data-theme="dark"] .guess-result.partial { color: #FEBC2E; }

/* Clickable code lines (line-guessing) */
.code-line { display: block; }

/* Guess mode: highlight the whole block with a silver border + pulsing glow. */
.code-block-wrap.guessing {
  border-color: var(--silver);
  animation: guess-glow 1.8s ease-in-out infinite;
}
@keyframes guess-glow {
  0%, 100% { box-shadow: 0 0 0 1px var(--silver-border), 0 0 10px 1px rgba(136, 146, 164, 0.18); }
  50%      { box-shadow: 0 0 0 1px var(--silver),        0 0 22px 3px rgba(136, 146, 164, 0.38); }
}

/* Force no-wrap during guessing so visual rows = logical lines */
.code-block-wrap.guessing.wrap-on pre {
  white-space: pre;
  word-break: normal;
  overflow-wrap: normal;
  overflow-x: auto;
}

.code-block-wrap.guessing .code-line { cursor: pointer; }
.code-block-wrap.guessing .code-line:not(.code-line-blank):hover { background: rgba(255, 255, 255, 0.06); }
.code-block-wrap.guessing .code-line-blank { cursor: default; }
.code-block-wrap.guessing .code-line-blank:hover { background: none; }

/* Floating bookmark badge — appended to body by JS, never clipped */
.line-bookmark-badge {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  width: 1.9rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  transform: translateY(-50%);
}
.line-bookmark-badge__body {
  width: 100%;
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  font-family: var(--font-mono);
  font-weight: 700;
  text-align: center;
  line-height: 1;
  padding: 0.35em 0.2em 0.25em;
  border-radius: 3px 3px 0 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.line-bookmark-badge__notch {
  width: 0;
  height: 0;
  border-left: 0.95rem solid var(--accent);
  border-right: 0.95rem solid var(--accent);
  border-bottom: 0.55rem solid transparent;
  filter: drop-shadow(0 3px 3px rgba(0,0,0,0.3));
}
.code-line.selected { background: var(--gold-glow); box-shadow: inset 3px 0 0 var(--gold); }
.code-line.correct  { background: rgba(34, 197, 94, 0.18);  box-shadow: inset 3px 0 0 var(--green); }
.code-line.wrong    { background: rgba(239, 68, 68, 0.16);  box-shadow: inset 3px 0 0 #ef4444; }
.code-line.missed   { background: rgba(254, 188, 46, 0.16); box-shadow: inset 3px 0 0 #FEBC2E; }

/* Source/sink role tags revealed after a guess */
.line-tag {
  display: inline-block;
  margin-left: 0.6rem;
  padding: 0.02rem 0.4rem;
  font-family: var(--font-mono), ui-monospace, monospace;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: 999px;
  vertical-align: baseline;
  white-space: nowrap;
  user-select: none;
}
.line-tag-source {
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.16);
  border: 1px solid rgba(56, 189, 248, 0.45);
}
.line-tag-flow {
  color: #c084fc;
  background: rgba(192, 132, 252, 0.16);
  border: 1px solid rgba(192, 132, 252, 0.45);
}
.line-tag-sink {
  color: #fb923c;
  background: rgba(251, 146, 60, 0.16);
  border: 1px solid rgba(251, 146, 60, 0.45);
}


.wrap-btn.active {
  color: var(--gold);
  border-color: var(--gold-border);
}

.code-block-wrap pre {
  overflow-x: auto;
  white-space: pre;
}

.code-block-wrap.wrap-on pre {
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: break-word;
  overflow-x: hidden;
}

/* ── Code area ───────────────────────────────────────────── */

.code-area {
  padding: 1rem 1.25rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--silver-border);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

/* ── Code block ──────────────────────────────────────────── */

.code-block-wrap {
  font-family: var(--font-mono), ui-monospace, monospace;
  background: var(--surface-raised);
  border: 1px solid var(--silver-border);
  border-radius: var(--r-md);
  font-size: 0.8125rem;
  line-height: 1.5;
  overflow: hidden;
  box-shadow: 0 0 12px var(--silver-glow);
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0.85rem;
  background: var(--surface-3);
  border-bottom: 1px solid var(--silver-border);
}

.code-dots {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-right: 0.55rem;
  flex-shrink: 0;
}

.code-dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  display: inline-block;
}

.code-dot-red    { background: #FF5F57; }
.code-dot-yellow { background: #FEBC2E; }
.code-dot-green  { background: #28C840; }

.code-header-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.code-lang {
  font-size: 0.6875rem;
  font-weight: 700;
  font-family: var(--font-mono), ui-monospace, monospace;
  color: var(--silver);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Code header small buttons (Copy, Word Wrap) ────────────── */
.copy-btn { padding: 0.2rem 0.55rem; }

.copy-btn.copied { color: var(--green); border-color: var(--green-border); background: var(--green-dim); }


.code-block-wrap pre {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  border-radius: 0;
}

.code-block-wrap pre code.hljs { padding: 1.1rem 1.25rem; }

/* github.min.css uses #e36209 for built_in/symbol — 3.5:1 on white, fails AA */
[data-theme="light"] .hljs-built_in,
[data-theme="light"] .hljs-symbol { color: #b44400; }

/* ── Details area ────────────────────────────────────────── */

.details-area {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--gold-border);
  background: var(--surface-raised);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.details-content h3 {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-label);
  margin: 1.4rem 0 0.55rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--gold-border);
}

.details-content h3:first-child { margin-top: 0; }

.details-content p {
  color: var(--text);
  font-size: 0.8125rem;
  margin-bottom: 0.6rem;
  line-height: 1.6;
}

.details-content .code-block-wrap { margin: 0.5rem 0 0.9rem; }
.details-content .code-block-wrap pre { font-size: 0.8125rem; }
.details-content .code-block-wrap pre code.hljs { padding: 0.9rem 1.1rem; }

.details-content code:not([class]) {
  font-family: var(--font-mono), ui-monospace, monospace;
  font-size: 0.8em;
  background: var(--surface-3);
  border: 1px solid var(--silver-border);
  border-radius: var(--r-sm);
  padding: 0.1em 0.4em;
}

.details-content strong { color: var(--text); font-weight: 600; }

/* ── Puter AI panel ──────────────────────────────────────── */

.puter-panel {
  background: var(--puter-bg);
  border: 1px solid var(--green-border);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow:
    0 0 18px var(--green-glow),
    inset 0 1px 0 rgba(34, 197, 94, 0.04);
}

.puter-panel-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--green-border);
  background: var(--surface-3);
}

.puter-panel-title {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--green);
}

.puter-panel-hint {
  font-size: 0.6875rem;
  color: var(--text-muted);
  flex: 1;
  min-width: 0;
}

/* ── AI ask button — keeps green identity to signal AI feature ─ */
.puter-ask-btn {
  padding: 0.25rem 0.65rem;
  color: var(--green);
  border-color: var(--green-border);
  flex-shrink: 0;
}
.puter-ask-btn:not(:disabled):hover { color: var(--green); border-color: var(--green); background: var(--green-dim); }

.puter-output {
  padding: 1.1rem 1.25rem;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text);
  max-height: 32rem;
  overflow-y: auto;
}

.puter-output h2,
.puter-output h3,
.puter-output h4 {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-label);
  margin: 1.35rem 0 0.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--green-border);
}

.puter-output h2:first-child,
.puter-output h3:first-child,
.puter-output h4:first-child { margin-top: 0; }

.puter-output p { margin-bottom: 0.6rem; color: var(--text); }

.puter-output ul,
.puter-output ol { margin: 0.35rem 0 0.7rem 1.25rem; }

.puter-output li { margin-bottom: 0.25rem; }

.puter-output code:not([class]) {
  font-family: var(--font-mono), ui-monospace, monospace;
  font-size: 0.82em;
  background: var(--surface-3);
  border: 1px solid var(--silver-border);
  border-radius: 4px;
  padding: 0.1em 0.4em;
  color: var(--text);
}

/* Bare <pre> during streaming, before addCodeHeaders wraps it */
.puter-output pre {
  background: var(--surface-raised);
  border: 1px solid var(--silver-border);
  border-radius: var(--r-md);
  overflow-x: auto;
  margin: 0.5rem 0 0.85rem;
  font-size: 0.8125rem;
}

.puter-output pre code {
  display: block;
  padding: 0.9rem 1.1rem;
}

/* After addCodeHeaders wraps it — reset pre so code-block-wrap takes over */
.puter-output .code-block-wrap { margin: 0.6rem 0 0.9rem; }

.puter-output .code-block-wrap pre {
  background: transparent;
  border: none;
  border-radius: 0;
  margin: 0;
  font-size: 0.8125rem;
}

.puter-output .code-block-wrap pre code.hljs { padding: 0.9rem 1.1rem; }

.puter-output strong { font-weight: 700; color: var(--text); }

.puter-error {
  color: #f87171;
  font-size: 0.8125rem;
}