/* ═══════════════════════════════════════════════════════════
   HELQORA · ARTWORK SCANNER — REDESIGNED UI
   Aesthetic: Dark precision instrument × premium SaaS
   Fonts: Syne (display) · DM Sans (body) · Space Mono (technical)
═══════════════════════════════════════════════════════════ */

:root {
  /* Core palette */
  --bg:        #080b10;
  --bg-2:      #0d1117;
  --bg-3:      #111822;
  --surface:   #141c28;
  --surface-2: #1a2334;
  --border:    #1e2d40;
  --border-2:  #263548;

  /* Text */
  --ink:       #e2eaf4;
  --ink-2:     #8fa3b8;
  --ink-3:     #566878;

  /* Accents */
  --mint:      #00e5a0;
  --mint-dim:  rgba(0,229,160,0.12);
  --mint-glow: rgba(0,229,160,0.25);
  --blue:      #4d9fff;
  --blue-dim:  rgba(77,159,255,0.12);
  --gold:      #f5a623;
  --gold-dim:  rgba(245,166,35,0.12);
  --red:       #ff4d6d;
  --red-dim:   rgba(255,77,109,0.12);
  --purple:    #a78bfa;
  --purple-dim:rgba(167,139,250,0.12);

  /* Semantic */
  --safe:    var(--mint);
  --warn:    var(--gold);
  --bad:     var(--red);
  --unknown: var(--purple);

  /* Sizing */
  --radius:   10px;
  --radius-lg:16px;
  --radius-xl:22px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
  --shadow-glow-mint: 0 0 30px rgba(0,229,160,0.2);
  --shadow-glow-blue: 0 0 30px rgba(77,159,255,0.2);

  /* Ring circumference (r=54) */
  --circ: 339.29;

  color-scheme: dark;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  min-height: 100vh;
  overflow-x: hidden;
}

button, select, input { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Grain overlay ─────────────────────────────────────── */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.028;
  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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px;
}

/* ── Grid background ───────────────────────────────────── */
.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0,229,160,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,160,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 80%);
}

/* ── Layout shell ──────────────────────────────────────── */
.shell {
  position: relative;
  z-index: 1;
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 80px;
}

/* ── Topbar ────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, #00e5a0, #0ab87c);
  color: #080b10;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 0 20px rgba(0,229,160,0.35), 0 4px 12px rgba(0,0,0,0.4);
  flex-shrink: 0;
}

.brand-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.brand-sep {
  width: 1px;
  height: 18px;
  background: var(--border-2);
  flex-shrink: 0;
}

.brand-sub {
  font-size: 0.82rem;
  color: var(--ink-3);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--mint-dim);
  border: 1px solid rgba(0,229,160,0.2);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.82rem;
  color: var(--mint);
  font-family: 'Space Mono', monospace;
  white-space: nowrap;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 6px var(--mint);
  animation: pulse-ring 2.4s ease-out infinite;
  flex-shrink: 0;
}

@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(0,229,160,0.5); }
  70%  { box-shadow: 0 0 0 6px rgba(0,229,160,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,229,160,0); }
}

.kbd-hints {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--ink-3);
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 5px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: 5px;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink-2);
  box-shadow: 0 2px 0 var(--border);
}

/* ── Workbench ─────────────────────────────────────────── */
.workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 20px;
  align-items: start;
  margin-bottom: 24px;
}

/* ── Panels ─────────────────────────────────────────────── */
.prep-panel,
.run-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: grid;
  gap: 16px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.prep-panel::before,
.run-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(0,229,160,0.03), transparent 50%);
  pointer-events: none;
}

/* ── Controls row ──────────────────────────────────────── */
.controls-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.field-group {
  display: grid;
  gap: 7px;
}

.field-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-family: 'Space Mono', monospace;
}

.select-wrap {
  position: relative;
}

.select-wrap select {
  width: 100%;
  min-height: 42px;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--ink);
  padding: 0 36px 0 12px;
  appearance: none;
  outline: none;
  transition: border-color 160ms, box-shadow 160ms;
}

.select-wrap select:focus {
  border-color: var(--mint);
  box-shadow: 0 0 0 3px var(--mint-dim);
}

.select-wrap select:disabled {
  opacity: 0.45;
}

.select-arrow {
  position: absolute;
  right: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-3);
  pointer-events: none;
  font-size: 0.8rem;
}

/* ── Mode toggle ───────────────────────────────────────── */
.mode-toggle {
  display: flex;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 3px;
  gap: 3px;
}

.mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 7px;
  border: none;
  background: transparent;
  color: var(--ink-3);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 160ms;
}

.mode-btn.active {
  background: var(--surface-2);
  color: var(--mint);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-2);
}

.mode-btn:hover:not(.active) {
  color: var(--ink-2);
  background: rgba(255,255,255,0.03);
}

.mode-icon { font-size: 0.9rem; }

/* ── Drop Zone ─────────────────────────────────────────── */
.drop-zone {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  border: 1.5px dashed var(--border-2);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0,229,160,0.03) 0%, rgba(77,159,255,0.03) 100%);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all 200ms ease;
  overflow: hidden;
}

.drop-zone::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(0,229,160,0.06), transparent);
  opacity: 0;
  transition: opacity 200ms;
}

.drop-zone:hover,
.drop-zone.dragging {
  border-color: var(--mint);
  background: linear-gradient(135deg, rgba(0,229,160,0.07) 0%, rgba(77,159,255,0.05) 100%);
  box-shadow: 0 0 0 1px var(--mint-dim), var(--shadow-glow-mint);
}

.drop-zone:hover::after,
.drop-zone.dragging::after { opacity: 1; }

.drop-zone input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.drop-ring {
  position: absolute;
  inset: 12px;
  border-radius: 10px;
  border: 1px solid rgba(0,229,160,0.08);
  pointer-events: none;
  transition: border-color 200ms;
}

.drop-zone:hover .drop-ring,
.drop-zone.dragging .drop-ring { border-color: rgba(0,229,160,0.2); }

.drop-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.drop-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0a1a14, #0d2218);
  border: 1.5px solid rgba(0,229,160,0.25);
  display: grid;
  place-items: center;
  box-shadow: 0 0 20px rgba(0,229,160,0.15);
  transition: all 220ms ease;
}

.drop-zone:hover .drop-icon-wrap {
  box-shadow: 0 0 30px rgba(0,229,160,0.3);
  transform: scale(1.08);
}

.drop-plus {
  font-size: 1.8rem;
  line-height: 1;
  color: var(--mint);
  font-weight: 300;
}

.drop-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.drop-meta {
  font-size: 0.85rem;
  color: var(--ink-3);
  font-family: 'Space Mono', monospace;
}

/* scanning drop zone animation */
.scanner.scanning .drop-zone {
  border-color: var(--mint);
  animation: scan-border-pulse 1.5s ease-in-out infinite;
}

@keyframes scan-border-pulse {
  0%, 100% { box-shadow: 0 0 0 1px var(--mint-dim); }
  50%       { box-shadow: 0 0 20px rgba(0,229,160,0.35), 0 0 40px rgba(0,229,160,0.12); }
}

.scanner.scanning .drop-icon-wrap { animation: spin-icon 1.1s linear infinite; }

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

/* ── File Strip (thumbnails) ─────────────────────────── */
.file-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.file-thumb {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: 8px;
  padding: 6px 8px;
  max-width: 200px;
  transition: border-color 160ms;
  animation: thumb-in 220ms ease both;
}

@keyframes thumb-in {
  from { opacity: 0; transform: scale(0.9) translateY(4px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.file-thumb:hover { border-color: var(--border); }

.thumb-img {
  width: 32px;
  height: 32px;
  border-radius: 5px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--surface-2);
}

.thumb-svg {
  width: 32px;
  height: 32px;
  border-radius: 5px;
  background: var(--blue-dim);
  display: grid;
  place-items: center;
  font-size: 0.65rem;
  color: var(--blue);
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  flex-shrink: 0;
  text-transform: uppercase;
}

.thumb-meta {
  display: grid;
  gap: 1px;
  min-width: 0;
}

.thumb-name {
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--ink);
}

.thumb-size {
  font-size: 0.72rem;
  color: var(--ink-3);
  font-family: 'Space Mono', monospace;
}

.file-thumb-more {
  background: var(--bg-3);
  border: 1px dashed var(--border-2);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 0.8rem;
  color: var(--ink-3);
  display: flex;
  align-items: center;
}

/* ── Actions Row ───────────────────────────────────────── */
.actions-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 22px;
  background: linear-gradient(135deg, #00e5a0, #00c88d);
  border: none;
  border-radius: var(--radius);
  color: #060f0b;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  transition: all 180ms ease;
  box-shadow: 0 0 20px rgba(0,229,160,0.25), 0 4px 12px rgba(0,0,0,0.3);
}

.btn-primary:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0,229,160,0.4), 0 8px 20px rgba(0,0,0,0.4);
}

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

.btn-primary:disabled {
  background: var(--surface-2);
  color: var(--ink-3);
  box-shadow: none;
}

.btn-spin {
  display: inline-block;
  font-size: 0.9rem;
  transition: transform 200ms;
}

.scanner.scanning .btn-spin { animation: spin-icon 0.8s linear infinite; }

.btn-secondary {
  min-height: 44px;
  padding: 0 16px;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--ink-2);
  font-weight: 500;
  transition: all 160ms;
}

.btn-secondary:not(:disabled):hover {
  border-color: var(--border);
  color: var(--ink);
  background: var(--surface-2);
}

.btn-secondary:disabled { opacity: 0.4; cursor: not-allowed; }

.export-group {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

.btn-export {
  min-height: 38px;
  padding: 0 14px;
  background: transparent;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--ink-3);
  font-size: 0.8rem;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: all 160ms;
}

.btn-export:not(:disabled):hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-dim);
}

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

/* ── Run Panel ─────────────────────────────────────────── */
.run-panel { align-content: start; }

/* ── Scanner Ring ──────────────────────────────────────── */
.scanner-ring-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}

.scanner-svg {
  width: 110px;
  height: 110px;
  transform: rotate(-90deg);
  flex-shrink: 0;
}

.ring-bg {
  fill: none;
  stroke: var(--bg-3);
  stroke-width: 8;
}

.ring-glow {
  fill: none;
  stroke: var(--mint);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: var(--circ);
  stroke-dashoffset: var(--circ);
  filter: blur(5px);
  opacity: 0.4;
  transition: stroke-dashoffset 600ms cubic-bezier(0.4,0,0.2,1), stroke 300ms;
}

.ring-progress {
  fill: none;
  stroke: var(--mint);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: var(--circ);
  stroke-dashoffset: var(--circ);
  transition: stroke-dashoffset 600ms cubic-bezier(0.4,0,0.2,1), stroke 300ms;
}

.ring-center {
  fill: var(--mint);
  filter: blur(1px);
  opacity: 0.7;
  transition: fill 300ms;
}

.scan-arm {
  transform-origin: 70px 70px;
  transition: opacity 300ms;
  opacity: 0;
}

.scanner.scanning .scan-arm {
  opacity: 1;
  animation: arm-rotate 1.6s linear infinite;
}

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

.scanner-text {
  display: grid;
  gap: 2px;
}

.scanner-text strong {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
}

.scanner-text span {
  font-size: 0.8rem;
  color: var(--ink-3);
}

.meter-pct {
  font-family: 'Space Mono', monospace;
  font-size: 0.9rem !important;
  color: var(--mint) !important;
  font-weight: 700 !important;
  margin-top: 4px;
}

/* ── Status box ────────────────────────────────────────── */
.status-box {
  display: flex;
  align-items: center;
  gap: 9px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 0.85rem;
  color: var(--ink-2);
  min-height: 42px;
  transition: all 200ms;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-3);
  flex-shrink: 0;
  transition: background 200ms, box-shadow 200ms;
}

.status-box.pass { border-color: rgba(0,229,160,0.3); background: rgba(0,229,160,0.07); color: var(--mint); }
.status-box.pass .status-dot { background: var(--mint); box-shadow: 0 0 6px var(--mint); }

.status-box.bad { border-color: rgba(255,77,109,0.3); background: rgba(255,77,109,0.07); color: var(--red); }
.status-box.bad .status-dot { background: var(--red); box-shadow: 0 0 6px var(--red); }

.status-box.scanning { border-color: rgba(77,159,255,0.3); background: rgba(77,159,255,0.07); color: var(--blue); }
.status-box.scanning .status-dot { background: var(--blue); box-shadow: 0 0 6px var(--blue); animation: pulse-ring 1s ease-out infinite; }

.workflow-note {
  font-size: 0.78rem;
  color: var(--ink-3);
  font-family: 'Space Mono', monospace;
  line-height: 1.6;
}

.panel-divider {
  height: 1px;
  background: var(--border);
}

/* ── Run Panel Info list ─────────────────────────────── */
.run-panel-info { display: grid; gap: 10px; }

.info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--ink-3);
}

.info-icon { font-size: 0.9rem; width: 20px; text-align: center; flex-shrink: 0; }

/* ── Hero Decision ─────────────────────────────────────── */
#heroDecision {
  border-radius: var(--radius-xl);
  padding: 32px 36px;
  display: flex;
  align-items: center;
  gap: 28px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: hero-in 400ms cubic-bezier(0.2,0,0,1) both;
}

@keyframes hero-in {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

#heroDecision.hero-safe {
  background: linear-gradient(135deg, rgba(0,229,160,0.12), rgba(0,200,141,0.06));
  border: 1px solid rgba(0,229,160,0.3);
}

#heroDecision.hero-bad {
  background: linear-gradient(135deg, rgba(255,77,109,0.12), rgba(200,50,80,0.06));
  border: 1px solid rgba(255,77,109,0.3);
}

#heroDecision.hero-warn {
  background: linear-gradient(135deg, rgba(245,166,35,0.12), rgba(200,130,20,0.06));
  border: 1px solid rgba(245,166,35,0.3);
}

#heroDecision.hero-unknown {
  background: linear-gradient(135deg, rgba(167,139,250,0.12), rgba(130,100,220,0.06));
  border: 1px solid rgba(167,139,250,0.3);
}

.hero-icon {
  font-size: 3rem;
  flex-shrink: 0;
  filter: drop-shadow(0 0 12px currentColor);
}

.hero-body { flex: 1; }

.hero-label {
  font-size: 0.72rem;
  font-family: 'Space Mono', monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 4px;
}

.hero-decision {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 6px;
}

.hero-safe .hero-decision  { color: var(--mint); }
.hero-bad  .hero-decision  { color: var(--red); }
.hero-warn .hero-decision  { color: var(--gold); }
.hero-unknown .hero-decision { color: var(--purple); }

.hero-sub { font-size: 0.88rem; color: var(--ink-2); }

.hero-badges {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}

.hero-badge {
  display: grid;
  gap: 2px;
  text-align: right;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 14px;
  min-width: 130px;
}

.hero-badge-label {
  font-size: 0.68rem;
  font-family: 'Space Mono', monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.hero-badge-value {
  font-family: 'Space Mono', monospace;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ink);
}

.hero-glow {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 300px;
  height: 300px;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(60px);
  opacity: 0.12;
}

.hero-safe .hero-glow  { background: var(--mint); }
.hero-bad  .hero-glow  { background: var(--red); }
.hero-warn .hero-glow  { background: var(--gold); }
.hero-unknown .hero-glow { background: var(--purple); }

/* ── Stats Bar ─────────────────────────────────────────── */
.stats-bar {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  animation: fade-up 300ms ease both;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.stat-card {
  flex: 1;
  min-width: 120px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  display: grid;
  gap: 4px;
  transition: border-color 160ms;
}

.stat-card:hover { border-color: var(--border-2); }

.stat-label {
  font-size: 0.7rem;
  font-family: 'Space Mono', monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

.stat-value.safe  { color: var(--mint); }
.stat-value.warn  { color: var(--gold); }
.stat-value.bad   { color: var(--red); }

.stat-sub {
  font-size: 0.75rem;
  color: var(--ink-3);
}

/* ── File Grid ─────────────────────────────────────────── */
.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

/* ── File Card ─────────────────────────────────────────── */
.file-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all 200ms ease;
  position: relative;
  animation: card-in 320ms cubic-bezier(0.2,0,0,1) both;
  box-shadow: var(--shadow-sm);
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.file-card:hover {
  border-color: var(--border-2);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.file-card.active {
  border-color: var(--blue);
  box-shadow: 0 0 0 1px var(--blue-dim), var(--shadow-md);
}

.file-card.scanning-card {
  border-color: rgba(77,159,255,0.3);
  animation: card-in 320ms both, card-scan-pulse 1.2s ease-in-out infinite;
}

@keyframes card-scan-pulse {
  0%, 100% { box-shadow: var(--shadow-sm); }
  50%       { box-shadow: 0 0 20px rgba(77,159,255,0.2); }
}

.card-preview {
  height: 140px;
  background: var(--bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.card-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.file-card:hover .card-preview img { transform: scale(1.04); }

.card-preview-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--ink-3);
}

.card-preview-ext {
  font-family: 'Space Mono', monospace;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--blue);
  opacity: 0.7;
}

.card-scan-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 200ms;
}

.scanning-card .card-scan-overlay { opacity: 1; }

.card-scan-line {
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  box-shadow: 0 0 12px var(--blue);
  animation: scan-line 1.2s ease-in-out infinite;
}

@keyframes scan-line {
  0%   { top: 10%; }
  100% { top: 90%; }
}

.card-scan-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--blue);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.7);
  padding: 2px 7px;
  border-radius: 4px;
}

.card-body {
  padding: 12px 14px;
  display: grid;
  gap: 10px;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.card-filename {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  word-break: break-all;
  line-height: 1.3;
}

.decision-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
}

.decision-badge.safe    { background: var(--mint-dim);   color: var(--mint);   border: 1px solid rgba(0,229,160,0.25); }
.decision-badge.bad     { background: var(--red-dim);    color: var(--red);    border: 1px solid rgba(255,77,109,0.25); }
.decision-badge.warn    { background: var(--gold-dim);   color: var(--gold);   border: 1px solid rgba(245,166,35,0.25); }
.decision-badge.unknown { background: var(--purple-dim); color: var(--purple); border: 1px solid rgba(167,139,250,0.25); }
.decision-badge.pending { background: var(--blue-dim);   color: var(--blue);   border: 1px solid rgba(77,159,255,0.25); }

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-family: 'Space Mono', monospace;
  color: var(--ink-3);
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 7px;
}

/* ── DPI Bar ─────────────────────────────────────────── */
.dpi-bar-wrap {
  display: grid;
  gap: 5px;
}

.dpi-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dpi-bar-label {
  font-size: 0.68rem;
  font-family: 'Space Mono', monospace;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dpi-bar-value {
  font-family: 'Space Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
}

.dpi-track {
  height: 5px;
  background: var(--bg-3);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.dpi-zones {
  position: absolute;
  inset: 0;
  display: flex;
}

.dpi-zone-bad  { background: rgba(255,77,109,0.2);  flex: 72; }  /* 0–72 */
.dpi-zone-warn { background: rgba(245,166,35,0.2);  flex: 228; } /* 72–300 */
.dpi-zone-good { background: rgba(0,229,160,0.2);   flex: 100; } /* 300–400 */
.dpi-zone-over { background: rgba(77,159,255,0.15); flex: 100; } /* 400+ */

.dpi-fill {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  border-radius: 999px;
  transition: width 600ms cubic-bezier(0.2,0,0,1);
  min-width: 3px;
}

.dpi-fill.dpi-bad  { background: var(--red); box-shadow: 0 0 6px var(--red); }
.dpi-fill.dpi-warn { background: var(--gold); box-shadow: 0 0 6px var(--gold); }
.dpi-fill.dpi-good { background: var(--mint); box-shadow: 0 0 6px var(--mint); }
.dpi-fill.dpi-over { background: var(--blue); box-shadow: 0 0 6px var(--blue); }

.dpi-tick {
  position: absolute;
  top: 0; bottom: 0;
  width: 1.5px;
  background: rgba(255,255,255,0.15);
  border-radius: 1px;
}

/* ── Issue chips in card ─────────────────────────────── */
.card-issues {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.issue-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 0.7rem;
  font-family: 'Space Mono', monospace;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.issue-chip.err  { background: var(--red-dim);  color: var(--red);  border: 1px solid rgba(255,77,109,0.2); }
.issue-chip.warn { background: var(--gold-dim); color: var(--gold); border: 1px solid rgba(245,166,35,0.2); }
.issue-chip.info { background: var(--blue-dim); color: var(--blue); border: 1px solid rgba(77,159,255,0.2); }

/* ── Detail Panel ──────────────────────────────────────── */
.detail-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 32px;
  box-shadow: var(--shadow-lg);
  animation: fade-up 300ms ease both;
}

.detail-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.detail-preview {
  width: 100px;
  height: 100px;
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  flex-shrink: 0;
}

.detail-preview-placeholder {
  width: 100px;
  height: 100px;
  border-radius: var(--radius);
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  display: grid;
  place-items: center;
  font-family: 'Space Mono', monospace;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--blue);
  flex-shrink: 0;
}

.detail-title-block { flex: 1; min-width: 0; }

.detail-filename {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
  word-break: break-all;
  margin-bottom: 8px;
  line-height: 1.3;
}

.detail-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 12px;
}

.detail-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: 7px;
  padding: 4px 10px;
  font-size: 0.78rem;
  font-family: 'Space Mono', monospace;
  color: var(--ink-2);
}

.detail-chip strong { color: var(--ink); font-weight: 700; }

.detail-confidence {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--ink-2);
  font-style: italic;
  margin-top: 8px;
}

/* ── DPI Gauge (large, in detail) ─────────────────────── */
.dpi-gauge-section {
  margin-bottom: 28px;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.dpi-gauge-large {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: grid;
  gap: 14px;
}

.dpi-value-display {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.dpi-big-number {
  font-family: 'Space Mono', monospace;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
}

.dpi-big-number.dpi-bad  { color: var(--red); }
.dpi-big-number.dpi-warn { color: var(--gold); }
.dpi-big-number.dpi-good { color: var(--mint); }
.dpi-big-number.dpi-over { color: var(--blue); }

.dpi-unit { font-family: 'Space Mono', monospace; font-size: 1rem; color: var(--ink-3); }

.dpi-recommendation {
  font-size: 0.82rem;
  color: var(--ink-3);
}

.dpi-track-large {
  height: 12px;
  background: var(--bg-2);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border);
}

.dpi-markers {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  font-family: 'Space Mono', monospace;
  color: var(--ink-3);
  padding: 0 2px;
}

/* ── Issues section ─────────────────────────────────────── */
.issues-section, .fixes-section { margin-bottom: 28px; }

.issue-list { display: grid; gap: 10px; }

.issue-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  align-items: start;
  transition: border-color 160ms;
  animation: fade-up 250ms ease both;
}

.issue-item:hover { border-color: var(--border-2); }

.issue-sev-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.issue-sev-icon.err  { background: var(--red-dim);  color: var(--red);  border: 1px solid rgba(255,77,109,0.25); }
.issue-sev-icon.warn { background: var(--gold-dim); color: var(--gold); border: 1px solid rgba(245,166,35,0.25); }
.issue-sev-icon.info { background: var(--blue-dim); color: var(--blue); border: 1px solid rgba(77,159,255,0.25); }

.issue-text { display: grid; gap: 3px; }

.issue-code {
  font-family: 'Space Mono', monospace;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-2);
  letter-spacing: 0.04em;
}

.issue-message {
  font-size: 0.88rem;
  color: var(--ink);
  line-height: 1.4;
}

/* ── Fix Actions ────────────────────────────────────────── */
.fix-list { display: grid; gap: 10px; }

.fix-item {
  display: flex;
  gap: 14px;
  background: linear-gradient(135deg, rgba(0,229,160,0.04), rgba(77,159,255,0.02));
  border: 1px solid rgba(0,229,160,0.15);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  align-items: flex-start;
  transition: all 160ms;
  animation: fade-up 280ms ease both;
}

.fix-item:hover { border-color: rgba(0,229,160,0.28); background: rgba(0,229,160,0.06); }

.fix-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--mint-dim);
  border: 1px solid rgba(0,229,160,0.3);
  color: var(--mint);
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.fix-text { display: grid; gap: 3px; }

.fix-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--mint);
}

.fix-summary {
  font-size: 0.84rem;
  color: var(--ink-2);
  line-height: 1.4;
}

/* ── Empty / no-issues state ─────────────────────────── */
.empty-state {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--ink-3);
}

/* ── Toast ──────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: grid;
  gap: 10px;
  z-index: 9999;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.88rem;
  color: var(--ink);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  min-width: 260px;
  max-width: 380px;
  animation: toast-in 250ms cubic-bezier(0.2,0,0,1) both;
}

.toast.out { animation: toast-out 200ms ease both; }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px) translateX(6px); }
  to   { opacity: 1; transform: translateY(0) translateX(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: scale(1); }
  to   { opacity: 0; transform: scale(0.94); }
}

.toast-icon { font-size: 1rem; flex-shrink: 0; }
.toast.toast-pass { border-color: rgba(0,229,160,0.3); }
.toast.toast-bad  { border-color: rgba(255,77,109,0.3); }

/* ── No results placeholder ──────────────────────────── */
.no-results-text {
  font-size: 0.85rem;
  color: var(--ink-3);
  text-align: center;
  padding: 32px;
  font-family: 'Space Mono', monospace;
}

/* ── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-3); }

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

/* ── Transitions ────────────────────────────────────────── */
.file-card,
.btn-primary,
.btn-secondary,
.btn-export,
.mode-btn,
.drop-zone,
.status-box,
.issue-item,
.fix-item {
  transition-timing-function: cubic-bezier(0.2,0,0,1);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .workbench {
    grid-template-columns: 1fr;
  }

  .run-panel {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "ring status"
      "note note"
      "div  div"
      "info info";
  }

  .scanner-ring-wrap { grid-area: ring; }
  .status-box        { grid-area: status; align-self: center; }
  .workflow-note     { grid-area: note; }
  .panel-divider     { grid-area: div; }
  .run-panel-info    { grid-area: info; grid-template-columns: 1fr 1fr; }

  #heroDecision .hero-badges { display: none; }
}

@media (max-width: 640px) {
  .shell { padding: 14px 0 60px; }

  .topbar { flex-wrap: wrap; gap: 10px; }

  .kbd-hints { display: none; }

  .brand-sub { display: none; }
  .brand-sep { display: none; }

  .file-grid { grid-template-columns: 1fr; }

  .detail-panel { padding: 20px 18px; }

  .run-panel {
    grid-template-columns: 1fr;
    grid-template-areas:
      "ring"
      "status"
      "note"
      "div"
      "info";
  }
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo-dl-btn {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid var(--border-2);
  background: transparent;
  color: var(--ink-3);
  font-size: 0.75rem;
  min-height: unset;
  padding: 0;
  opacity: 0;
  transition: opacity 160ms, color 160ms, border-color 160ms;
}

.brand-wrap:hover .logo-dl-btn {
  opacity: 1;
}

.logo-dl-btn:hover {
  color: var(--mint);
  border-color: var(--border-accent);
}