/* ══════════════════════════════════════════════
   DOODLE — CSS design system from Stitch export
   Font: Plus Jakarta Sans | Icons: Material Symbols
   ══════════════════════════════════════════════ */

/* ─── Token variables (exact Stitch palette) ─── */
:root {
  /* Surface / background */
  --surface:                  #f9faf5;
  --surface-bright:           #f9faf5;
  --surface-container-lowest: #ffffff;
  --surface-container-low:    #f3f4ef;
  --surface-container:        #edeee9;
  --surface-container-high:   #e7e9e4;
  --surface-container-highest:#e2e3de;
  --surface-dim:              #d9dad6;

  /* Primary (dark green) */
  --primary:            #3f6900;
  --on-primary:         #ffffff;
  --primary-fixed:      #b7f56d;
  --primary-fixed-dim:  #9cd853;
  --primary-container:  #b5f36b;
  --on-primary-container:#436f00;
  --on-primary-fixed:   #102000;
  --inverse-primary:    #9cd853;

  /* Secondary (mid green) */
  --secondary:            #356944;
  --on-secondary:         #ffffff;
  --secondary-container:  #b4edbf;
  --on-secondary-container:#396d48;
  --secondary-fixed:      #b7f0c1;
  --on-secondary-fixed:   #00210d;

  /* Tertiary (terracotta) */
  --tertiary:           #9b442e;
  --on-tertiary:        #ffffff;
  --tertiary-container: #ffd8cf;
  --on-tertiary-container:#a14832;

  /* On-surface */
  --on-surface:         #1a1c19;
  --on-surface-variant: #424938;
  --on-background:      #1a1c19;
  --outline:            #737a67;
  --outline-variant:    #c2c9b3;

  /* Error */
  --error:              #ba1a1a;
  --error-container:    #ffdad6;

  /* ── Layout ── */
  --margin:    16px;
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  12px;
  --space-lg:  16px;
  --space-xl:  24px;

  /* ── Radius ── */
  --r-sm:   8px;
  --r-md:   12px;
  --r-lg:   16px;
  --r-xl:   24px;
  --r-2xl:  28px;
  --r-full: 9999px;

  /* ── Font ── */
  --font: 'Plus Jakarta Sans', -apple-system, sans-serif;
}

/* ─── Reset ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}
html {
  width: 100%;
  margin: 0;
  padding: 0;
  -webkit-text-size-adjust: 100%;
}
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  padding: 0;
  background: var(--surface);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -webkit-overflow-scrolling: touch;
  overflow-x: hidden;
  overflow-y: scroll;
}
@media (min-width: 480px) {
  body {
    background: #20231e;
  }
}
::-webkit-scrollbar { display: none; }

/* ─── Material Symbols helper ─── */
.msi {
  font-family: 'Material Symbols Outlined';
  font-weight: 400;
  font-style: normal;
  font-size: 20px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
  user-select: none;
  vertical-align: middle;
}
.msi-fill { font-variation-settings: 'FILL' 1; }

/* ─── Typography utilities ─── */
.display           { font-size:36px; line-height:44px; letter-spacing:-0.03em; font-weight:800; }
.headline-lg       { font-size:28px; line-height:34px; letter-spacing:-0.02em; font-weight:800; }
.headline-lg-mobile{ font-size:24px; line-height:30px; letter-spacing:-0.02em; font-weight:800; }
.headline-md       { font-size:20px; line-height:26px; letter-spacing:-0.01em; font-weight:700; }
.headline-sm       { font-size:17px; line-height:22px; font-weight:700; }
.label-lg          { font-size:15px; line-height:20px; letter-spacing:0.01em;  font-weight:700; }
.label-md          { font-size:13px; line-height:18px; font-weight:700; }
.label-sm          { font-size:11px; line-height:14px; letter-spacing:0.04em;  font-weight:800; }
.body-lg           { font-size:16px; line-height:24px; font-weight:500; }
.body-md           { font-size:14px; line-height:20px; font-weight:500; }
.body-sm           { font-size:12px; line-height:16px; font-weight:600; }
.body-xs           { font-size:11px; line-height:15px; font-weight:500; }

/* Color utilities */
.primary           { color: var(--primary); }
.secondary         { color: var(--secondary); }
.tertiary          { color: var(--tertiary); }
.on-surface        { color: var(--on-surface); }
.on-surface-variant{ color: var(--on-surface-variant); }
.on-secondary-fixed{ color: var(--on-secondary-fixed); }
.on-primary-fixed  { color: var(--on-primary-fixed); }
.outline           { color: var(--outline); }

/* BG utilities */
.bg-sec-container     { background: rgba(180,237,191,0.5); }
.bg-tertiary-container{ background: rgba(255,216,207,0.6); }
.bg-primary-container { background: var(--primary-container); }

/* Layout helpers */
.flex-row  { display:flex; align-items:center; }
.flex-col  { display:flex; flex-direction:column; }
.gap-xs    { gap: var(--space-xs); }
.gap-sm    { gap: var(--space-sm); }
.gap-md    { gap: var(--space-md); }
.gap-lg    { gap: var(--space-lg); }
.mt-xs     { margin-top: var(--space-xs); }
.bold      { font-weight:700; }
.semibold  { font-weight:600; }
.upper     { text-transform:uppercase; letter-spacing:0.06em; }
.baseline  { align-items:baseline; }

/* ═══════════════════════════════════════════════
   SCREEN SHELL
═══════════════════════════════════════════════ */
.screen {
  display: none;
  width: 100%;
  min-height: 100vh;
  justify-content: center;
}
.screen.active { display: flex; }

.page {
  width: 100%;
  max-width: 430px;
  min-height: 100vh;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  position: relative;
}

@media (min-width: 430px) {
  .page {
    box-shadow: 0 0 80px rgba(0,0,0,0.5);
    border-left:  1px solid rgba(0,0,0,0.15);
    border-right: 1px solid rgba(0,0,0,0.15);
  }
}

/* Screen transitions */
@keyframes slideInR { from { opacity:0; transform:translateX(24px); } to { opacity:1; transform:none; } }
@keyframes slideInL { from { opacity:0; transform:translateX(-24px); } to { opacity:1; transform:none; } }
.screen.anim-right .page { animation: slideInR 0.26s cubic-bezier(0.22,1,0.36,1) both; }
.screen.anim-left  .page { animation: slideInL 0.26s cubic-bezier(0.22,1,0.36,1) both; }

/* ═══════════════════════════════════════════════
   SHARED COMPONENTS
═══════════════════════════════════════════════ */

/* Fixed app header (draw / results screens) */
.app-header {
  position: fixed;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px;
  height: 64px;
  padding: 0 var(--margin);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(249,250,245,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 8px rgba(0,0,0,0.04);
  z-index: 50;
}

.btn-circle {
  min-width: 44px; min-height: 44px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--surface-container);
  border: none;
  outline: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--secondary);
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.1s ease;
}
@media (hover: hover) and (pointer: fine) {
  .btn-circle:hover { background: var(--surface-container-high); }
}
.btn-circle:active  { transform: scale(0.92); }

.btn-circle-sm {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border: none;
  outline: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 1px 6px rgba(0,0,0,0.1);
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.1s ease;
}
@media (hover: hover) and (pointer: fine) {
  .btn-circle-sm:hover { background: #ffffff; }
}
.btn-circle-sm:active { transform: scale(0.92); }

/* Generic white card */
.card {
  background: var(--surface-container-lowest);
  border-radius: var(--r-2xl);
  padding: var(--space-lg);
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
.card-row {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.border-b { border-bottom: 1px solid var(--surface-container); }

/* ═══════════════════════════════════════════════
   SCREEN 1 — HOME
═══════════════════════════════════════════════ */
.home-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--margin);
  background: var(--surface);
}
.logo-box {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--surface-container-lowest);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 4px;
}
.logo-label {
  font-size: 20px;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: -0.01em;
}
.inference-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: var(--r-full);
  background: rgba(180,237,191,0.4);
  color: var(--secondary);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Hero */
.hero-card {
  position: relative;
  margin: var(--space-sm) var(--margin) var(--space-md);
  padding: var(--space-lg);
  background: var(--primary-container);
  border-radius: var(--r-2xl);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.hero-deco {
  position: absolute;
  right: -16px; bottom: -24px;
  width: 176px; height: 176px;
  color: rgba(53,105,68,0.15);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 85%;
}
.cnn-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--r-full);
  background: var(--secondary);
  color: var(--primary-fixed);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}
.hero-title {
  font-size: 24px;
  line-height: 30px;
  font-weight: 800;
  color: var(--on-secondary-fixed);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}
.hero-body {
  font-size: 14px;
  line-height: 20px;
  font-weight: 500;
  color: rgba(0,33,13,0.8);
  margin-bottom: var(--space-lg);
}
.ready-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--r-xl);
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(6px);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  font-size: 13px;
  font-weight: 700;
  color: var(--secondary);
}
.pulse-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100%{ box-shadow: 0 0 0 0 rgba(63,105,0,0.4); }
  50%    { box-shadow: 0 0 0 5px rgba(63,105,0,0); }
}

/* Model specs card */
.specs-card {
  margin: 0 var(--margin) var(--space-md);
  border: 1px solid rgba(194,201,179,0.4);
}
.cnn-chip {
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 2px 10px;
  border-radius: var(--r-full);
  background: rgba(180,237,191,0.4);
  color: var(--secondary);
}
.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}
.spec-cell {
  padding: 10px;
  border-radius: var(--r-lg);
  background: var(--surface-container-low);
  display: flex;
  flex-direction: column;
}

/* How it works */
.hiw-section {
  margin: 0 var(--margin) var(--space-md);
}
.hiw-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding: 0 4px;
}
.hiw-list { display: flex; flex-direction: column; gap: var(--space-md); }
.step-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--surface-container-lowest);
  border-radius: var(--r-xl);
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
  transition: transform 0.18s;
}
.step-card:hover { transform: translateY(-1px); }
.step-num {
  width: 48px; height: 48px;
  border-radius: var(--r-xl);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 17px;
  font-weight: 700;
}
.step-body { flex: 1; min-width: 0; }

/* Objects bar */
.objects-bar {
  margin: 0 var(--margin) var(--space-md);
  padding: var(--space-md) var(--space-md);
  background: var(--surface-container-low);
  border-radius: var(--r-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.icon-bubble {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--surface-container-lowest);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  border: 2px solid var(--surface-container-low);
}

/* CTA area */
.cta-area {
  margin: var(--space-xl) var(--margin) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}
.btn-primary-3d {
  width: 100%;
  padding: 16px var(--space-lg);
  border-radius: var(--r-xl);
  background: var(--primary-container);
  color: var(--on-secondary-fixed);
  font-family: var(--font);
  font-size: 17px;
  font-weight: 700;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  cursor: pointer;
  outline: 2px solid #174D2B;
  box-shadow: 0 4px 0 #174D2B;
  transition: box-shadow 0.1s, transform 0.1s;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}
@media (hover: hover) and (pointer: fine) {
  .btn-primary-3d:hover .msi:first-child { transform: rotate(12deg); }
  .btn-primary-3d:hover .msi:last-child  { transform: translateX(3px); }
}
.btn-primary-3d:active,
.btn-primary-3d.is-pressed {
  box-shadow: 0 1px 0 #174D2B !important;
  transform: translateY(3px) !important;
}
.footer-note {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--outline);
}

/* ═══════════════════════════════════════════════
   SCREEN 2 — DRAW
═══════════════════════════════════════════════ */
.draw-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: calc(64px + var(--space-sm)) var(--margin) var(--space-xl);
  gap: var(--space-md);
  max-width: 430px;
  width: 100%;
  margin: 0 auto;
}

.draw-context-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.timer-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--r-full);
  background: rgba(180,237,191,0.6);
  color: var(--on-secondary-container);
}
.timer-chip.warning { background: rgba(255,220,150,0.7); color: #7a4800; }
.timer-chip.danger  { background: rgba(255,218,214,0.8); color: var(--error); }

.clear-btn {
  height: 36px; padding: 0 14px;
  border-radius: var(--r-full);
  background: var(--surface-container-lowest);
  border: none;
  outline: none;
  display: flex; align-items: center; gap: 6px;
  cursor: pointer;
  color: var(--secondary);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  font-family: var(--font);
  font-size: 13px; font-weight: 700;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}
@media (hover: hover) and (pointer: fine) {
  .clear-btn:hover { background: var(--surface-container); }
}
.clear-btn:active,
.clear-btn.is-pressed {
  background: var(--surface-container-high) !important;
  transform: scale(0.92) translateY(1px) !important;
  box-shadow: 0 0 2px rgba(0,0,0,0.12) !important;
}

.draw-title-area { display: flex; flex-direction: column; gap: 4px; }

/* Canvas */
.canvas-card {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--surface-container-lowest);
  border-radius: var(--r-2xl);
  box-shadow: 0 4px 24px -4px rgba(23,77,43,0.08);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
  user-select: none;
}
#draw-canvas {
  width: 100%; height: 100%;
  display: block;
  cursor: crosshair;
  border-radius: var(--r-xl);
}
.canvas-actions {
  position: absolute;
  bottom: 12px; right: 12px;
  display: flex; gap: 6px;
  z-index: 10;
}

/* Tool tray */
.tool-tray {
  background: var(--surface-container-lowest);
  border-radius: var(--r-2xl);
  padding: var(--space-md);
  box-shadow: 0 4px 24px -4px rgba(23,77,43,0.06);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.tools-row-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.tool-toggle-row {
  display: flex;
  align-items: center;
  background: var(--surface-container-low);
  padding: 4px;
  border-radius: var(--r-full);
  gap: 4px;
}
.tool-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--r-full);
  font-family: var(--font);
  font-size: 13px; font-weight: 700;
  border: none;
  cursor: pointer;
  color: var(--on-surface-variant);
  background: transparent;
  transition: all 0.18s;
}
.tool-btn.active {
  background: var(--primary-container);
  color: var(--on-primary-fixed);
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}
.size-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-container-low);
  padding: 6px 14px;
  border-radius: var(--r-full);
}
.size-btn {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: none;
  background: transparent;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--secondary);
  transition: all 0.15s;
}
.size-btn.active {
  background: var(--surface-container-lowest);
  box-shadow: 0 1px 4px rgba(0,0,0,0.12);
}
.size-dot {
  border-radius: 50%;
  background: currentColor;
  display: block;
  flex-shrink: 0;
}

/* Palette */
.palette-section { display: flex; flex-direction: column; gap: 6px; }
.palette-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4px;
}
.swatches {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  padding: 0 4px;
}
.swatch {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid transparent;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: transform 0.18s;
  padding: 2px;
}
.swatch:hover   { transform: scale(1.1); }
.swatch.selected{ transform: scale(1.1); border-color: rgba(0,0,0,0.25); }

/* Identify */
.identify-area {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 4px;
}
.btn-identify {
  width: 100%; height: 56px;
  border-radius: var(--r-xl);
  background: var(--primary-container);
  color: var(--on-primary-fixed);
  font-family: var(--font);
  font-size: 17px; font-weight: 700;
  border: none;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  cursor: pointer;
  box-shadow: 0 4px 0 #174d2b;
  transform: translateY(0);
  transition: box-shadow 0.1s, transform 0.1s;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}
.btn-identify:active,
.btn-identify.is-pressed {
  transform: translateY(3px) !important;
  box-shadow: 0 1px 0 #174d2b !important;
}
.btn-identify:disabled,
.btn-identify.is-disabled {
  background: var(--surface-container-high) !important;
  color: var(--outline) !important;
  box-shadow: 0 4px 0 var(--surface-dim) !important;
  cursor: not-allowed !important;
  opacity: 0.85;
}
.btn-identify.is-retry {
  background: var(--error-container) !important;
  color: var(--error) !important;
  box-shadow: 0 4px 0 #ba1a1a !important;
  cursor: pointer !important;
  opacity: 1 !important;
}
.btn-identify.is-retry:active,
.btn-identify.is-retry.is-pressed {
  transform: translateY(3px) !important;
  box-shadow: 0 1px 0 #ba1a1a !important;
}
@keyframes msi-spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.msi-spin {
  display: inline-block;
  animation: msi-spin 1.2s linear infinite;
}
.accuracy-row {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  color: var(--on-surface-variant);
}

/* ═══════════════════════════════════════════════
   SCREEN 3 — RESULTS
═══════════════════════════════════════════════ */
.results-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding: calc(64px + var(--space-sm)) var(--margin) var(--space-xl);
}

.results-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-2xl);
  background: rgba(180,237,191,0.4);
  padding: var(--space-lg);
}
.banner-deco-tr {
  position: absolute;
  top: -16px; right: -16px;
  width: 96px; height: 96px;
  color: rgba(63,105,0,0.1);
  pointer-events: none;
}
.banner-deco-bl {
  position: absolute;
  bottom: -24px; left: -24px;
  width: 80px; height: 80px;
  color: rgba(180,237,191,0.6);
  pointer-events: none;
}
.banner-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-xs);
}
.analysis-complete-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: var(--r-full);
  background: var(--primary);
  color: var(--on-primary);
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

/* Prediction card */
.results-pred-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}
.pred-card-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.top-pred-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: var(--r-full);
  background: var(--surface-container);
  color: var(--secondary);
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.match-chip {
  padding: 4px 14px;
  border-radius: var(--r-full);
  background: var(--primary-container);
  color: var(--on-primary-container);
  font-size: 13px; font-weight: 700;
}
.canvas-thumb {
  position: relative;
  width: 160px; height: 160px;
  border-radius: var(--r-xl);
  background: var(--surface-container-low);
  display: flex; align-items: center; justify-content: center;
  padding: 12px;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.06);
  overflow: hidden;
}
#result-canvas {
  width: 100%; height: 100%;
  border-radius: var(--r-lg);
  object-fit: contain;
}
.canvas-tag {
  position: absolute;
  bottom: 8px; right: 8px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(226,227,222,0.8);
  color: var(--on-surface-variant);
  font-size: 9px; font-weight: 800;
  letter-spacing: 0.06em;
}

/* Confidence bars */
.conf-card {}
.conf-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}
.bars-list { display: flex; flex-direction: column; gap: var(--space-md); }
.bar-row { display: flex; flex-direction: column; gap: 4px; }
.bar-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.bar-label {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 700;
}
.bar-pct-1 { color: var(--secondary); font-size:17px; font-weight:700; }
.bar-pct-2 { color: var(--on-surface-variant); font-size:13px; font-weight:700; }
.bar-pct-3 { color: var(--on-surface-variant); font-size:13px; font-weight:700; }
.bar-track {
  height: 12px;
  width: 100%;
  background: var(--surface-container);
  border-radius: var(--r-full);
  overflow: hidden;
  padding: 2px;
}
.bar-fill {
  height: 100%;
  border-radius: var(--r-full);
  transition: width 0.7s cubic-bezier(0.34,1.56,0.64,1);
}
.bar-fill-1 { background: var(--primary); }
.bar-fill-2 { background: var(--tertiary-container); }
.bar-fill-3 { background: var(--surface-container-highest); }

/* Explanation */
.expl-card {
  background: var(--surface-container-low);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}
.expl-icon {
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  background: var(--secondary-container);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--secondary);
}
.expl-content { flex: 1; }

/* Actions */
.results-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-top: var(--space-xs);
}
.btn-try-again {
  width: 100%; height: 56px;
  border-radius: var(--r-xl);
  background: var(--primary-container);
  color: var(--on-primary-container);
  font-family: var(--font);
  font-size: 17px; font-weight: 700;
  border: none;
  display: flex; align-items: center; justify-content: center; gap: var(--space-xs);
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: all 0.15s;
}
.btn-try-again:active,
.btn-try-again.is-pressed {
  transform: translateY(2px) scale(0.98) !important;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1) !important;
}
.btn-back-home {
  width: 100%; height: 48px;
  border-radius: var(--r-lg);
  background: var(--surface-container-lowest);
  color: var(--secondary);
  font-family: var(--font);
  font-size: 15px; font-weight: 700;
  border: none;
  outline: none;
  display: flex; align-items: center; justify-content: center; gap: var(--space-xs);
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.08s ease;
}
@media (hover: hover) and (pointer: fine) {
  .btn-back-home:hover { background: var(--surface-container); }
}
.btn-back-home:active,
.btn-back-home.is-pressed {
  background: var(--surface-container-high) !important;
  transform: scale(0.96) !important;
}

/* ═══════════════════════════════════════════════
   LOADING OVERLAY
═══════════════════════════════════════════════ */
.loading-overlay {
  position: fixed; inset: 0;
  background: rgba(26,28,25,0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
}
.loading-overlay.hidden { display: none; }
.loading-card {
  background: var(--surface-container-lowest);
  border-radius: var(--r-2xl);
  padding: 32px 40px;
  display: flex; flex-direction: column;
  align-items: center; gap: var(--space-md);
  box-shadow: 0 16px 60px rgba(0,0,0,0.2);
}
.loading-spinner {
  width: 48px; height: 48px;
  border: 4px solid var(--surface-container);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Canvas shake animation */
@keyframes shake {
  0%,100%{ transform:translateX(0); }
  20%    { transform:translateX(-5px); }
  40%    { transform:translateX(5px); }
  60%    { transform:translateX(-4px); }
  80%    { transform:translateX(4px); }
}
.shake { animation: shake 0.4s ease; }