/* ============================================================
   iOS Log Decoder — styles.css
   Aesthetic: Terminal-meets-Apple. Dark, precise, electric.
   Fonts: Syne (display) · DM Sans (body) · JetBrains Mono (code)
   ============================================================ */

/* ─── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Color system */
  --bg-0:       #080a0f;
  --bg-1:       #0e1117;
  --bg-2:       #141720;
  --bg-3:       #1c2030;
  --border:     rgba(255,255,255,0.07);
  --border-hi:  rgba(255,255,255,0.13);

  --txt-0:      #f0f2f8;
  --txt-1:      #a8afc4;
  --txt-2:      #5e6478;

  --accent:     #3b8bff;      /* electric blue */
  --accent-dim: rgba(59,139,255,0.12);
  --accent-glow:rgba(59,139,255,0.35);

  --ok:         #34d399;
  --ok-dim:     rgba(52,211,153,0.12);
  --warn:       #f59e0b;
  --warn-dim:   rgba(245,158,11,0.12);
  --danger:     #f87171;
  --danger-dim: rgba(248,113,113,0.12);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing / radius */
  --r-sm:  8px;
  --r-md:  14px;
  --r-lg:  20px;

  --transition: 0.2s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background-color: var(--bg-0);
  color: var(--txt-0);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── Background effects ────────────────────────────────────── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 100%);
  opacity: 0.5;
}

.bg-noise {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E");
  background-size: 200px;
  opacity: 0.35;
}

/* ─── Layout wrapper ────────────────────────────────────────── */
.site-header, .main-content, .site-footer { position: relative; z-index: 1; }

.main-content {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

/* ─── Header ────────────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(8,10,15,0.7);
  position: sticky; top: 0; z-index: 100;
}

.header-inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  color: var(--accent);
  display: flex;
  align-items: center;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  color: var(--txt-0);
}

.logo-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 1px 6px;
  letter-spacing: 0.08em;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-tag {
  font-size: 0.72rem;
  color: var(--txt-2);
  font-family: var(--font-mono);
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
  animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--ok); }
  50%       { opacity: 0.6; box-shadow: 0 0 4px var(--ok); }
}

/* ─── Hero ──────────────────────────────────────────────────── */
.hero {
  padding: 72px 0 48px;
  text-align: center;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--txt-0);
  margin-bottom: 20px;
}

.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent) 0%, #8ab4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1rem;
  color: var(--txt-1);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

.hero-sub code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 1px 5px;
  border-radius: 4px;
}

/* ─── Card base ─────────────────────────────────────────────── */
.card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.025) 0%, transparent 60%);
  pointer-events: none;
  border-radius: inherit;
}

/* ─── Input Card ────────────────────────────────────────────── */
.input-card {
  margin-bottom: 28px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input-card:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim), 0 20px 60px rgba(0,0,0,0.4);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px 0;
}

.card-header-left, .card-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--txt-2);
  letter-spacing: 0.15em;
}

/* Traffic lights */
.traffic-lights { display: flex; gap: 6px; align-items: center; }
.tl {
  width: 11px; height: 11px; border-radius: 50%;
}
.tl-red    { background: #ff5f57; }
.tl-yellow { background: #ffbd2e; }
.tl-green  { background: #28c840; }

/* Ghost button */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--txt-2);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  padding: 5px 10px;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.btn-ghost:hover {
  color: var(--txt-0);
  border-color: var(--border-hi);
  background: var(--bg-3);
}

.btn-ghost:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Detector bar */
.detector-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--txt-2);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), border-color var(--transition);
}

.detector-bar.detected {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

.detector-icon { opacity: 0.5; }
.detector-bar.detected .detector-icon { opacity: 1; }

/* Drag & drop overlay */
.textarea-wrap { position: relative; }

.drop-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8,10,15,0.92);
  border: 2px dashed var(--accent);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 10;
}

.drop-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.drop-overlay-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: var(--accent);
  animation: bounce-in 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.drop-overlay-inner p {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Highlight the whole input card when dragging over the page */
.input-card.drag-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim), 0 20px 60px rgba(0,0,0,0.4);
}

@keyframes bounce-in {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

.log-textarea {
  width: 100%;
  min-height: 280px;
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--txt-1);
  background: transparent;
  border: none;
  outline: none;
  resize: vertical;
  line-height: 1.8;
  caret-color: var(--accent);
  tab-size: 2;
}

.log-textarea::placeholder {
  color: var(--txt-2);
  font-style: italic;
}

/* Line counter */
.line-count {
  position: absolute;
  bottom: 10px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--txt-2);
  pointer-events: none;
}

/* Input footer */
.input-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  gap: 12px;
  flex-wrap: wrap;
}

.input-hint {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--txt-2);
  flex: 1;
  min-width: 200px;
}

/* Primary button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: var(--r-sm);
  padding: 10px 22px;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
  pointer-events: none;
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 4px 20px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) { transform: translateY(0); }

.btn-primary:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-primary:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.btn-icon { transition: transform 0.2s ease; }
.btn-primary:hover:not(:disabled) .btn-icon { transform: translateX(3px); }

/* ─── Loading Card ──────────────────────────────────────────── */
.loading-card {
  margin-bottom: 28px;
  animation: fade-in 0.3s ease;
}

.loading-inner {
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

/* Orb */
.loading-orb {
  width: 72px; height: 72px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orb-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid transparent;
}

.orb-ring-1 {
  inset: 0;
  border-color: var(--accent);
  opacity: 0.2;
  animation: orb-spin 3s linear infinite;
}

.orb-ring-2 {
  inset: 10px;
  border-top-color: var(--accent);
  border-right-color: var(--accent);
  animation: orb-spin 1.8s linear infinite reverse;
}

.orb-ring-3 {
  inset: 20px;
  border-bottom-color: var(--accent);
  animation: orb-spin 1.2s linear infinite;
}

.orb-core {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
  animation: orb-pulse 1.2s ease-in-out infinite;
}

@keyframes orb-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes orb-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.7; transform: scale(0.85); }
}

.loading-text-group { text-align: center; }

.loading-headline {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--txt-0);
  margin-bottom: 6px;
}

.loading-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--txt-2);
  transition: opacity 0.3s ease;
}

/* Loading steps */
.loading-steps {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.lstep {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--txt-2);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  transition: all 0.3s ease;
}

.lstep.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

.lstep.done {
  color: var(--ok);
  border-color: var(--ok-dim);
  background: var(--ok-dim);
}

/* ─── Results Section ───────────────────────────────────────── */
.results-section {
  animation: slide-up 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.results-header-left { display: flex; align-items: center; gap: 12px; }

/* Severity badge */
.severity-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  border-radius: 20px;
  padding: 3px 10px;
  border: 1px solid;
  transition: all 0.3s ease;
}

.severity-badge.sev-info   { color: var(--accent); border-color: var(--accent); background: var(--accent-dim); }
.severity-badge.sev-warn   { color: var(--warn);   border-color: var(--warn);   background: var(--warn-dim);   }
.severity-badge.sev-danger { color: var(--danger); border-color: var(--danger); background: var(--danger-dim); }
.severity-badge.sev-ok     { color: var(--ok);     border-color: var(--ok);     background: var(--ok-dim);     }

/* Type card */
.result-type-card { margin-bottom: 16px; padding: 20px; }

.result-type-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.result-type-icon {
  width: 48px; height: 48px;
  font-size: 22px;
  background: var(--bg-2);
  border: 1px solid var(--border-hi);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.result-type-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--txt-2);
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.result-type-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--txt-0);
}

.result-meta-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-left: auto;
}

.meta-chip {
  font-family: var(--font-mono);
  font-size: 0.67rem;
  color: var(--txt-1);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
}

/* Result grid */
.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

@media (max-width: 600px) {
  .result-grid { grid-template-columns: 1fr; }
}

/* Result cards */
.result-card {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.rc-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rc-icon {
  width: 34px; height: 34px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rc-icon--diag   { background: var(--accent-dim); color: var(--accent); }
.rc-icon--action { background: var(--warn-dim);   color: var(--warn); }

.rc-label {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--txt-1);
  letter-spacing: 0.01em;
}

.rc-body {
  font-size: 0.9rem;
  color: var(--txt-0);
  line-height: 1.75;
  flex: 1;
}

/* Signal row */
.rc-signal-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.signal-chip {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--txt-2);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 3px 8px;
}

/* Action CTA */
.action-cta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.action-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--txt-1);
  line-height: 1.5;
}

.action-step-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 2px 7px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ─── Detail Accordion ──────────────────────────────────────── */
.detail-card {
  margin-bottom: 0;
}

.detail-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--txt-2);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition);
  user-select: none;
}

.detail-summary::-webkit-details-marker { display: none; }
.detail-summary:hover { color: var(--txt-1); }

.detail-chevron {
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

details[open] .detail-chevron { transform: rotate(180deg); }

.detail-body {
  padding: 0 22px 22px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-kv-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 20px;
  align-items: start;
}

.kv-key {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--txt-2);
  white-space: nowrap;
  padding-top: 2px;
}

.kv-val {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--txt-1);
  word-break: break-all;
}

.raw-snippet-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--txt-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.raw-snippet {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--txt-1);
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 14px;
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.7;
  max-height: 240px;
  overflow-y: auto;
}

.raw-snippet::-webkit-scrollbar { width: 6px; }
.raw-snippet::-webkit-scrollbar-track { background: transparent; }
.raw-snippet::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }

/* ─── Error Card ────────────────────────────────────────────── */
.error-card {
  margin-bottom: 28px;
  border-color: var(--danger);
  background: var(--danger-dim);
  animation: fade-in 0.3s ease;
}

.error-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  flex-wrap: wrap;
}

.error-icon {
  font-size: 1.4rem;
  color: var(--danger);
  flex-shrink: 0;
}

.error-headline {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--danger);
  margin-bottom: 3px;
}

.error-body {
  font-size: 0.82rem;
  color: var(--txt-1);
}

.error-card .btn-ghost { margin-left: auto; }

/* ─── Footer ────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 20px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--txt-2);
}

/* ─── Utility / animations ──────────────────────────────────── */
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

[hidden] { display: none !important; }

/* ─── Scrollbar (global) ────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hi); }

/* ─── Focus visible (global) ────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ─── Selection ─────────────────────────────────────────────── */
::selection {
  background: var(--accent);
  color: #fff;
}

/* ─── Responsive tweaks ─────────────────────────────────────── */
@media (max-width: 480px) {
  .card-header { flex-wrap: wrap; gap: 10px; }
  .input-footer { flex-direction: column; align-items: stretch; }
  .btn-primary  { width: 100%; justify-content: center; }
  .result-meta-chips { margin-left: 0; }
  .hero { padding: 48px 0 36px; }
}

/* ─── Ask the Genius Chat ───────────────────────────────────── */
.chat-card {
  margin-top: 16px;
  overflow: visible;
  animation: slide-up 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 0;
  flex-wrap: wrap;
  gap: 8px;
}

.chat-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rc-icon--chat {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
}

.chat-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  color: #a78bfa;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid #a78bfa;
  border-radius: 4px;
  padding: 1px 6px;
  letter-spacing: 0.08em;
}

.chat-hint {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--txt-2);
}

/* Suggestion chips */
.chat-suggestions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 14px 20px 0;
}

.suggestion-chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--txt-1);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.suggestion-chip:hover {
  color: #a78bfa;
  border-color: #a78bfa;
  background: rgba(139, 92, 246, 0.1);
}

.suggestion-chip:focus-visible {
  outline: 2px solid #a78bfa;
  outline-offset: 2px;
}

/* Chat messages container */
.chat-messages {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 20px;
  min-height: 60px;
  max-height: 420px;
  overflow-y: auto;
}

.chat-messages::-webkit-scrollbar { width: 5px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }

/* Individual messages */
.chat-msg {
  display: flex;
  gap: 10px;
  animation: slide-up 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.chat-msg--user { flex-direction: row-reverse; }

.chat-msg-avatar {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-weight: 500;
}

.chat-msg--user .chat-msg-avatar {
  background: var(--accent-dim);
  color: var(--accent);
}

.chat-msg--ai .chat-msg-avatar {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
}

.chat-msg-bubble {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.875rem;
  line-height: 1.7;
}

.chat-msg--user .chat-msg-bubble {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: var(--txt-0);
  border-top-right-radius: 3px;
}

.chat-msg--ai .chat-msg-bubble {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--txt-0);
  border-top-left-radius: 3px;
}

/* Typing indicator */
.chat-typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  border-top-left-radius: 3px;
  width: fit-content;
}

.typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #a78bfa;
  animation: typing-bounce 1.2s ease-in-out infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%            { transform: translateY(-5px); opacity: 1; }
}

/* Chat input row */
.chat-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px 16px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.chat-input {
  flex: 1;
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--txt-0);
  outline: none;
  transition: border-color var(--transition);
  caret-color: #a78bfa;
}

.chat-input::placeholder { color: var(--txt-2); }

.chat-input:focus {
  border-color: #a78bfa;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.12);
}

/* Send button */
.btn-send {
  width: 38px;
  height: 38px;
  border-radius: var(--r-sm);
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid #a78bfa;
  color: #a78bfa;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition);
}

.btn-send:hover:not(:disabled) {
  background: #a78bfa;
  color: #fff;
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.35);
}

.btn-send:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.btn-send:focus-visible {
  outline: 2px solid #a78bfa;
  outline-offset: 2px;
}

/* Browse file button accent variant */
.btn-ghost--accent {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}
.btn-ghost--accent:hover {
  background: var(--accent);
  color: #fff;
}

/* ─── Results action buttons row ───────────────────────────── */
.results-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

/* ─── History Card ──────────────────────────────────────────── */
.history-card {
  margin-top: 32px;
  margin-bottom: 28px;
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.history-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.history-count {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--txt-2);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px 10px;
}

.btn-ghost--danger { color: var(--danger); }
.btn-ghost--danger:hover { border-color: var(--danger); background: var(--danger-dim); color: var(--danger); }

.history-list {
  max-height: 340px;
  overflow-y: auto;
}

.history-list::-webkit-scrollbar { width: 5px; }
.history-list::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }

.history-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition);
}

.history-item:last-child { border-bottom: none; }
.history-item:hover { background: var(--bg-2); }

.history-item-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.history-item-body { flex: 1; min-width: 0; }

.history-item-title {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--txt-0);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 3px;
}

.history-item-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--txt-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-item-sev {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  border-radius: 20px;
  padding: 3px 9px;
  border: 1px solid;
  flex-shrink: 0;
}

.history-item-delete {
  background: none;
  border: none;
  color: var(--txt-2);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
  transition: color var(--transition);
  flex-shrink: 0;
}
.history-item-delete:hover { color: var(--danger); }

.history-empty {
  padding: 40px 20px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--txt-2);
}

/* ─── Share Modal ───────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fade-in 0.2s ease;
}

.modal-box {
  background: var(--bg-1);
  border: 1px solid var(--border-hi);
  border-radius: var(--r-lg);
  padding: 28px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
  animation: slide-up 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--txt-0);
}

.modal-desc {
  font-size: 0.82rem;
  color: var(--txt-1);
  margin-bottom: 16px;
  line-height: 1.6;
}

.share-link-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.share-link-input {
  flex: 1;
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--txt-1);
  outline: none;
  min-width: 0;
}

.btn-copy {
  padding: 9px 18px;
  font-size: 0.82rem;
  white-space: nowrap;
}

.btn-copy.copied {
  background: var(--ok);
  box-shadow: 0 4px 16px rgba(52,211,153,0.3);
}

.share-warning {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--warn);
  line-height: 1.5;
}

/* History toggle button in header */
.btn-history {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--txt-2);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 6px 12px;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-history:hover { color: var(--txt-0); border-color: var(--border-hi); background: var(--bg-3); }
.btn-history .hist-badge {
  background: var(--accent);
  color: #fff;
  font-size: 0.6rem;
  border-radius: 10px;
  padding: 1px 6px;
  min-width: 18px;
  text-align: center;
}

/* ─── 1. CATEGORY-SPECIFIC PANEL ─────────────────────────────── */

.category-specific-panel {
  margin-bottom: 16px;
  overflow: hidden;
}

.cs-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.cs-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

.cs-title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--txt-1);
}

.cs-category {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 1px 7px;
  margin-left: auto;
  letter-spacing: 0.05em;
}

.cs-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0;
  padding: 6px 0;
}

.cs-key,
.cs-val {
  padding: 7px 20px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.5;
  border-bottom: 1px solid var(--border);
}

.cs-key {
  color: var(--txt-2);
  white-space: nowrap;
  padding-right: 12px;
  background: var(--bg-2);
  font-weight: 500;
}

.cs-val {
  color: var(--txt-1);
  word-break: break-word;
  background: var(--bg-1);
}

/* Last row — no border */
.cs-grid .cs-key:last-of-type,
.cs-grid .cs-val:last-of-type {
  border-bottom: none;
}

/* Inline value state modifiers */
.cs-val--warn {
  color: var(--warn);
}

.cs-val--danger {
  color: var(--danger);
  font-weight: 500;
}

/* Long strings like panic text wrap nicely */
.cs-val[style*="grid-column"] {
  grid-column: 1 / -1;
  white-space: pre-wrap;
  padding: 10px 20px;
  background: var(--bg-0);
  font-size: 0.68rem;
  line-height: 1.7;
  max-height: 200px;
  overflow-y: auto;
}


/* ─── 2. NON-GENUINE BATTERY DANGER BANNER ───────────────────── */

.non-genuine-banner {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 22px;
  margin-bottom: 16px;
  background: var(--danger-dim);
  border: 1px solid var(--danger);
  border-radius: var(--r-lg);
  animation: slide-up 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
}

/* Pulsing left accent bar */
.non-genuine-banner::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--danger);
  animation: pulse-bar 2s ease-in-out infinite;
}

@keyframes pulse-bar {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.non-genuine-icon {
  font-size: 1.5rem;
  color: var(--danger);
  flex-shrink: 0;
  margin-top: 1px;
}

.non-genuine-banner strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--danger);
  margin-bottom: 6px;
}

.non-genuine-banner p {
  font-size: 0.82rem;
  color: var(--txt-1);
  line-height: 1.65;
  margin: 0;
}


/* ─── 3. TRAFFIC LIGHT ACTIVE STATES (4-TIER) ────────────────── */

/* Dim / inactive base — all lights dark when no result yet */
.tl { cursor: default; transition: transform 0.15s ease; }
.tl-red    { background: #4a1210; }
.tl-yellow { background: #4a3408; }
.tl-green  { background: #0c3016; }

/* Tier 1 — score < 55: aggressive blink */
.tl-active-red {
  background: #ff3b30 !important;
  box-shadow: 0 0 7px 2px rgba(255,59,48,0.85);
  animation: tl-blink-aggressive 0.42s ease-in-out infinite !important;
  cursor: pointer;
}

/* Tier 2 — score 55–60: soft blink */
.tl-active-red-soft {
  background: #ff3b30 !important;
  box-shadow: 0 0 5px 1px rgba(255,59,48,0.6);
  animation: tl-blink-soft 0.85s ease-in-out infinite !important;
  cursor: pointer;
}

/* Tier 3 — score 60–80: moderate yellow pulse */
.tl-active-yellow {
  background: #ffcc00 !important;
  box-shadow: 0 0 6px 2px rgba(255,204,0,0.7);
  animation: tl-blink-moderate 1.5s ease-in-out infinite !important;
  cursor: pointer;
}

/* Tier 4 — score 80–100: steady green glow, no blink */
.tl-active-green {
  background: #34c759 !important;
  box-shadow: 0 0 10px 3px rgba(52,199,89,0.6), 0 0 22px 4px rgba(52,199,89,0.25);
  animation: tl-glow-breathe 2.8s ease-in-out infinite !important;
  cursor: pointer;
}

@keyframes tl-blink-aggressive {
  0%, 100% { opacity: 1;    box-shadow: 0 0 9px 3px rgba(255,59,48,0.95); }
  50%       { opacity: 0.12; box-shadow: none; }
}

@keyframes tl-blink-soft {
  0%, 100% { opacity: 1;    box-shadow: 0 0 6px 2px rgba(255,59,48,0.7); }
  50%       { opacity: 0.35; box-shadow: 0 0 2px 1px rgba(255,59,48,0.2); }
}

@keyframes tl-blink-moderate {
  0%, 100% { opacity: 1;    box-shadow: 0 0 7px 2px rgba(255,204,0,0.75); }
  50%       { opacity: 0.45; box-shadow: 0 0 3px 1px rgba(255,204,0,0.25); }
}

@keyframes tl-glow-breathe {
  0%, 100% { box-shadow: 0 0 12px 4px rgba(52,199,89,0.65), 0 0 24px 5px rgba(52,199,89,0.28); }
  50%       { box-shadow: 0 0 5px  2px rgba(52,199,89,0.30), 0 0 10px 3px rgba(52,199,89,0.12); }
}


/* ─── 4. CONFIDENCE TOOLTIP ──────────────────────────────────── */

.confidence-tooltip {
  position: absolute;
  z-index: 9999;
  background: var(--bg-2);
  color: var(--txt-0);
  border: 1px solid var(--border-hi);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  max-width: 250px;
  white-space: pre-line;
  box-shadow: 0 8px 28px rgba(0,0,0,0.5);
  pointer-events: none;
  animation: fade-in 0.15s ease;
}


/* ─── 5. RESPONSIVE ADJUSTMENTS ──────────────────────────────── */

@media (max-width: 600px) {
  .cs-grid {
    grid-template-columns: 1fr;
  }

  .cs-key {
    border-bottom: none;
    padding-bottom: 2px;
    color: var(--txt-2);
    font-size: 0.65rem;
  }

  .cs-val {
    padding-top: 2px;
    padding-bottom: 10px;
  }

  .non-genuine-banner {
    flex-direction: column;
    gap: 10px;
  }
}