:root {
  --yellow: #FFE600;
  --yellow-light: #FFF566;
  --mustard: #F2A900;
  --ketchup: #E4002B;
  --neon-green: #39FF14;
  --neon-red: #FF1744;
  --success: #35c075;
  --failure: #c03535;
  --ink: #1a1a1a;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
  background: #000;
  font-family: 'Baloo 2', 'Comic Sans MS', system-ui, sans-serif;
  color: var(--ink);
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
}

#app {
  position: relative;
  width: 100vw;
  height: 100dvh;
  overflow: hidden;
  background: #000;
}

/* ===================== SCREENS ===================== */

.screen {
  position: absolute;
  inset: 0;
  display: none;
  opacity: 0;
}

.screen.active {
  display: block;
  opacity: 1;
  animation: screen-in 0.25s ease-out;
}

@keyframes screen-in {
  from { opacity: 0; transform: scale(1.01); }
  to { opacity: 1; transform: scale(1); }
}

/* ===================== CAMERA SCREEN ===================== */

#video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #111;
  transform: scaleX(1);
}

.capture-guide {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  width: min(70vw, 320px, calc(100dvh - 230px));
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 18px;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.55),
    inset 0 0 28px rgba(0, 0, 0, 0.08);
  pointer-events: none;
}

.capture-guide-label {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%) rotate(-1deg);
  width: max-content;
  max-width: 85vw;
  padding: 5px 10px 4px;
  border: 2px solid var(--ink);
  border-radius: 6px;
  background: var(--yellow);
  box-shadow: 2px 3px 0 var(--ink);
  color: var(--ink);
  font-family: 'Bangers', 'Comic Sans MS', cursive;
  font-size: 0.86rem;
  letter-spacing: 0.7px;
  line-height: 1;
  text-transform: uppercase;
}

.target-corner {
  position: absolute;
  width: 34px;
  height: 34px;
  border-color: #fff;
  border-style: solid;
  filter: drop-shadow(0 1px 1px #000);
}

.target-corner.top-left {
  top: -3px;
  left: -3px;
  border-width: 4px 0 0 4px;
  border-radius: 18px 0 0;
}

.target-corner.top-right {
  top: -3px;
  right: -3px;
  border-width: 4px 4px 0 0;
  border-radius: 0 18px 0 0;
}

.target-corner.bottom-left {
  bottom: -3px;
  left: -3px;
  border-width: 0 0 4px 4px;
  border-radius: 0 0 0 18px;
}

.target-corner.bottom-right {
  right: -3px;
  bottom: -3px;
  border-width: 0 4px 4px 0;
  border-radius: 0 0 18px;
}

.flash {
  position: absolute;
  inset: 0;
  background: #fff;
  opacity: 0;
  pointer-events: none;
  z-index: 20;
}

.flash.go {
  animation: flash-pop 0.35s ease-out;
}

@keyframes flash-pop {
  0% { opacity: 0.9; }
  100% { opacity: 0; }
}

.shutter-wrap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(var(--safe-bottom) + 28px);
  display: flex;
  justify-content: center;
  z-index: 5;
}

.camera-brand {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
  min-height: calc(var(--safe-top) + 78px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--safe-top) + 10px) 18px 10px;
  background: #1261ff;
  border-bottom: 3px solid var(--ink);
  box-shadow: 0 5px 0 rgba(0, 0, 0, 0.34);
  pointer-events: none;
}

.camera-brand-title {
  font-family: 'Baloo 2', 'Arial Rounded MT Bold', system-ui, sans-serif;
  font-size: clamp(2.1rem, 10vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -0.07em;
  line-height: 1;
  text-shadow:
    -2px -2px 0 var(--ink),
    2px -2px 0 var(--ink),
    -2px 2px 0 var(--ink),
    2px 2px 0 var(--ink),
    0 4px 8px rgba(0, 0, 0, 0.55);
}

.camera-brand .brand-not {
  color: #ff2b35;
}

.camera-brand .brand-hotdog {
  color: #39ff14;
}

.shoot-btn {
  position: relative;
  padding: 0;
  width: min(78vw, 340px);
  height: 78px;
  border: 3px solid var(--ink);
  border-radius: 999px;
  background: linear-gradient(180deg, var(--yellow-light) 0%, var(--yellow) 45%, var(--mustard) 100%);
  box-shadow:
    0 2px 0 #9c6b00,
    0 10px 22px rgba(0, 0, 0, 0.45),
    inset 0 2px 4px rgba(255, 255, 255, 0.9),
    inset 0 -10px 14px rgba(150, 90, 0, 0.35);
  transition: transform 0.08s ease, box-shadow 0.08s ease, filter 0.2s ease;
}

.classify-btn .shoot-btn-inner {
  color: var(--ink);
  font-family: 'Bangers', 'Comic Sans MS', cursive;
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 1px;
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.65);
}

.shoot-btn::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 8%;
  right: 8%;
  height: 34%;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.shoot-btn-inner {
  position: relative;
  z-index: 1;
  font-family: 'Bangers', cursive;
  font-size: 1.6rem;
  letter-spacing: 1px;
  color: var(--ink);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
}

.shoot-btn:active:not(:disabled) {
  transform: translateY(3px) scale(0.98);
  box-shadow:
    0 0 0 #9c6b00,
    0 4px 10px rgba(0, 0, 0, 0.4),
    inset 0 2px 4px rgba(255, 255, 255, 0.7),
    inset 0 -6px 10px rgba(150, 90, 0, 0.35);
}

.shoot-btn:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 4px;
}

.shoot-btn:disabled {
  filter: grayscale(0.5) brightness(0.85);
  cursor: not-allowed;
}

@media (hover: hover) {
  .shoot-btn:hover:not(:disabled) {
    filter: brightness(1.06);
  }
}

.camera-status {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
}

.camera-status.is-visible {
  display: flex;
}

.status-card {
  max-width: 320px;
  text-align: center;
  padding: 28px 24px;
  background: var(--yellow);
  border: 3px solid var(--ink);
  border-radius: 20px;
  box-shadow: 0 10px 0 var(--ink);
}

.status-card p {
  margin: 0 0 14px;
  font-weight: 700;
  font-size: 1.05rem;
}

.startup-spinner {
  width: 62px;
  height: 62px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  border: 5px dashed var(--ink);
  border-radius: 50%;
  animation: startup-spin 1.4s linear infinite;
}

.startup-spinner[hidden] {
  display: none;
}

@keyframes startup-spin {
  to { transform: rotate(360deg); }
}

.startup-spinner::after {
  content: "";
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ketchup);
  box-shadow: 0 0 0 7px rgba(228, 0, 43, 0.18);
}

/* ===================== FROZEN / BLURRED BACKGROUND ===================== */

.frozen-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: blur(22px) brightness(0.55) saturate(1.4);
  transform: scale(1.15);
}

.scrim {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.55) 85%);
}

/* ===================== EVALUATING SCREEN ===================== */

.eval-overlay {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 24px;
  text-align: center;
}

.spinner {
  position: relative;
  width: 96px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.spinner-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 8px solid rgba(255, 230, 0, 0.25);
  border-top-color: var(--yellow);
  border-right-color: var(--ketchup);
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner-core {
  font-family: 'Bangers', cursive;
  font-size: 2rem;
  letter-spacing: 2px;
  color: var(--yellow);
  animation: wobble 0.9s ease-in-out infinite;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.6));
}

@keyframes wobble {
  0%, 100% { transform: rotate(-12deg) scale(1); }
  50% { transform: rotate(12deg) scale(1.1); }
}

.eval-text {
  margin: 0;
  font-family: 'Bangers', cursive;
  font-size: 2.4rem;
  letter-spacing: 1px;
  color: var(--yellow);
  text-shadow: 2px 2px 0 var(--ketchup), 0 0 18px rgba(255, 230, 0, 0.5);
}

.dots span {
  animation: dot-fade 1.2s infinite;
  opacity: 0;
}
.dots span:nth-child(1) { animation-delay: 0s; }
.dots span:nth-child(2) { animation-delay: 0.2s; }
.dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dot-fade {
  0%, 20% { opacity: 0; }
  50% { opacity: 1; }
  100% { opacity: 0; }
}

.eval-sub {
  margin: 0;
  color: #fff;
  font-weight: 600;
  opacity: 0.85;
  font-style: italic;
}

/* ===================== RESULT SCREEN ===================== */

.result-overlay {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  background: radial-gradient(circle, rgba(255, 230, 0, 0.14), rgba(0, 0, 0, 0.7));
}

.result-card {
  position: relative;
  z-index: 1;
  width: min(88vw, 370px);
  min-height: 540px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 28px 22px 24px;
  background:
    repeating-linear-gradient(-4deg, rgba(0, 0, 0, 0.025) 0 2px, transparent 2px 9px),
    #fffbd6;
  border: 6px dashed var(--ink);
  border-radius: 18px 9px 22px 12px;
  box-shadow: 12px 14px 0 rgba(0, 0, 0, 0.7);
}

.result-overlay.is-hotdog .result-card {
  border-color: var(--success);
  transform: rotate(-1.2deg);
}

.result-overlay.is-not .result-card {
  border-color: var(--failure);
  transform: rotate(1.2deg);
}

.lottie-container {
  width: 190px;
  height: 190px;
  margin: -8px auto -12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* The failure artwork reaches the edge of its source canvas, while the check
   includes roughly this much breathing room in the artwork itself. */
.result-overlay.is-not .lottie-container {
  padding: 24px;
}

.confetti-lottie {
  position: absolute;
  inset: 0;
  z-index: 3;
  overflow: hidden;
  pointer-events: none;
}

.confetti-lottie svg {
  width: 100% !important;
  height: 100% !important;
}

.hotdog-icon {
  font-size: 4.8rem;
  line-height: 1;
  text-align: center;
  margin: 0 auto 4px;
  animation: hotdog-wobble 0.6s steps(2, end) infinite;
}

.result-overlay.is-not .hotdog-icon {
  filter: grayscale(1);
  opacity: 0.75;
  animation: hotdog-droop 0.7s ease-out both;
}

@keyframes hotdog-wobble {
  0% { transform: rotate(-7deg) translateY(0); }
  50% { transform: rotate(7deg) translateY(-5px); }
  100% { transform: rotate(-7deg) translateY(0); }
}

@keyframes hotdog-droop {
  from { transform: translateY(-18px) rotate(-12deg); opacity: 0; }
  to { transform: translateY(0) rotate(8deg); opacity: 0.75; }
}

.result-text {
  margin: 0;
  font-family: 'Bangers', cursive;
  font-size: clamp(2.5rem, 12vw, 3.7rem);
  letter-spacing: 2px;
  line-height: 1;
  font-weight: 900;
  text-transform: uppercase;
}

.result-text.is-hotdog {
  color: var(--success);
  text-shadow:
    2px 2px 0 #fff,
    5px 5px 0 var(--ink);
  animation: pop-in 0.5s cubic-bezier(.34, 1.56, .64, 1) both;
}

.result-text.is-not {
  color: var(--failure);
  text-shadow:
    2px 2px 0 #fff,
    5px 5px 0 var(--ink);
  animation: slam-down 0.3s cubic-bezier(.34, 1.56, .64, 1) both;
}

@keyframes pop-in {
  0% { transform: scale(0.2) rotate(-8deg); opacity: 0; }
  60% { transform: scale(1.15) rotate(3deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); }
}

@keyframes slam-down {
  0% { transform: translateY(-140px) rotate(-6deg); opacity: 0; }
  70% { transform: translateY(6px) rotate(2deg); opacity: 1; }
  85% { transform: translateY(-4px) rotate(-1deg); }
  100% { transform: translateY(0) rotate(0); }
}

.result-sub {
  margin: 0 0 10px;
  color: var(--ink);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.25;
  max-width: 320px;
  animation: fade-up 0.5s ease-out 0.35s both;
}

.result-details-toggle {
  display: inline;
  margin: 0 0 0 2px;
  padding: 0 2px;
  border: 0;
  background: transparent;
  color: #0756b8;
  font: inherit;
  font-size: 0.82em;
  line-height: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  vertical-align: baseline;
}

.result-details-toggle:hover {
  color: var(--ketchup);
}

.result-details-toggle:focus-visible {
  outline: 2px solid var(--ketchup);
  outline-offset: 2px;
  border-radius: 2px;
}

.result-details {
  display: block;
  width: fit-content;
  margin: 7px auto 0;
  padding: 4px 7px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: rgba(255, 230, 0, 0.45);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1.2;
}

.result-details[hidden] {
  display: none;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===================== BUTTONS ===================== */

.btn-primary {
  padding: 14px 34px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--yellow-light), var(--yellow) 60%, var(--mustard));
  border: 3px solid var(--ink);
  font-family: 'Bangers', cursive;
  font-size: 1.3rem;
  letter-spacing: 1px;
  color: var(--ink);
  box-shadow: 0 6px 0 #9c6b00, 0 10px 18px rgba(0, 0, 0, 0.4);
  animation: fade-up 0.5s ease-out 0.55s both;
}

.btn-primary:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 #9c6b00, 0 4px 10px rgba(0, 0, 0, 0.4);
}

.btn-secondary {
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--yellow);
  font-weight: 700;
}

/* ===================== RESPONSIVE ===================== */

@media (min-width: 640px) {
  #app {
    max-width: 480px;
    margin: 0 auto;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
  }
  body {
    background: radial-gradient(circle at top, #333, #000 70%);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
}