*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --pink:        #FF69B4;
  --pink-hot:    #FF1493;
  --pink-light:  #FFD6EC;
  --pink-pale:   #FFF0F8;
  --purple:      #CC44FF;
  --cyan:        #00D4FF;
  --text:        #2D0A1F;
  --muted:       #B06090;
  --faint:       #E8A0C8;
  --white:       #FFFFFF;
  --border:      #FFB3D9;
  --radius:      20px;
  --font-title:  'Fredoka One', 'Arial Rounded MT Bold', sans-serif;
  --font-body:   'Fredoka', 'Inter', sans-serif;
}

/* ── BASE ── */

body {
  font-family: var(--font-body);
  background-color: var(--pink-pale);
  background-image: radial-gradient(circle, #FFB3D9 1.2px, transparent 1.2px);
  background-size: 22px 22px;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-font-smoothing: antialiased;
}

/* ── SECTIONS ── */

.section {
  display: none;
  width: 100%;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
}

.section.active {
  display: flex;
}

/* ── CONTAINER ── */

.container {
  width: 100%;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  background: var(--white);
  border: 3px solid var(--pink);
  border-radius: 28px;
  padding: 40px 36px;
  box-shadow:
    6px 6px 0px var(--pink),
    0 20px 60px rgba(255, 105, 180, 0.15);
}

/* ── HEADER ── */

header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.stars-row {
  color: var(--pink);
  font-size: 12px;
  letter-spacing: 6px;
  opacity: 0.7;
}

.badge {
  display: inline-block;
  padding: 5px 16px;
  background: var(--pink-pale);
  border: 2px solid var(--pink-light);
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  color: var(--pink-hot);
  letter-spacing: 0.5px;
}

h1 {
  font-family: var(--font-title);
  font-size: 58px;
  line-height: 1;
  color: var(--pink-hot);
  text-shadow:
    3px 3px 0px var(--pink-light),
    -1px -1px 0px #fff;
  letter-spacing: 1px;
}

.title-outline {
  -webkit-text-stroke: 2px var(--pink-hot);
  color: transparent;
  text-shadow: none;
}

.subtitle {
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.6;
}

/* ── UPLOAD ZONE ── */

.upload-zone {
  width: 100%;
  min-height: 240px;
  border: 3px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  overflow: hidden;
  background: var(--pink-pale);
  user-select: none;
  position: relative;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--pink-hot);
  border-style: solid;
  background: #FFF5FB;
}

.upload-zone.has-file {
  border-style: solid;
  border-color: var(--pink-hot);
  background: #FFF5FB;
  cursor: default;
}

/* Upload prompt */

.upload-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 40px;
  pointer-events: none;
  text-align: center;
}

.upload-icon-wrap {
  position: relative;
  width: 64px;
  height: 64px;
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.upload-star {
  position: absolute;
  top: -8px;
  right: -8px;
  font-size: 16px;
  color: var(--pink-hot);
}

.upload-icon {
  width: 28px;
  height: 28px;
  color: var(--pink);
}

.upload-main {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.upload-sub {
  font-size: 14px;
  color: var(--muted);
}

.upload-hint {
  font-size: 12px;
  color: var(--faint);
  margin-top: 2px;
}

/* Link button */

.link-btn {
  background: none;
  border: none;
  color: var(--pink-hot);
  font-weight: 700;
  font-family: var(--font-body);
  cursor: pointer;
  font-size: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  pointer-events: all;
  padding: 0;
}

.link-btn:hover { opacity: 0.7; }

/* Preview */

.preview-wrap {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 24px;
}

.preview-wrap img {
  max-height: 180px;
  max-width: 100%;
  border-radius: 14px;
  object-fit: cover;
  border: 3px solid var(--pink-light);
}

.preview-meta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.preview-filename {
  font-size: 13px;
  color: var(--muted);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── DETECT BUTTON ── */

.detect-btn {
  width: 100%;
  padding: 18px;
  background: linear-gradient(135deg, var(--pink-hot) 0%, var(--purple) 100%);
  color: var(--white);
  border: none;
  border-radius: 100px;
  font-family: var(--font-title);
  font-size: 18px;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 0px #C0006A, 0 8px 24px rgba(255, 20, 147, 0.3);
}

.detect-btn::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 50%;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 100px 100px 0 0;
}

.detect-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  box-shadow: none;
}

.detect-btn:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0px #C0006A, 0 12px 30px rgba(255, 20, 147, 0.4);
}

.detect-btn:not(:disabled):active {
  transform: translateY(2px);
  box-shadow: 0 2px 0px #C0006A, 0 4px 12px rgba(255, 20, 147, 0.3);
}

/* Footer */

.footer-note {
  font-size: 12px;
  color: var(--faint);
  letter-spacing: 0.3px;
  font-weight: 500;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-link {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-link:hover {
  color: var(--pink-hot);
}

.footer-dot {
  font-size: 10px;
  color: var(--faint);
}

/* ── LOADING ── */

.loading-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.spinner-wrap {
  position: relative;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.spinner {
  position: absolute;
  inset: 0;
  border: 4px solid var(--pink-light);
  border-top-color: var(--pink-hot);
  border-right-color: var(--purple);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.spinner-star {
  font-size: 20px;
  color: var(--pink-hot);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.25); }
}

.loading-title {
  font-family: var(--font-title);
  font-size: 22px;
  color: var(--pink-hot);
  letter-spacing: 0.5px;
}

.loading-sub {
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}

/* ── RESULT ── */

.result-container {
  max-width: 800px;
  background: var(--white);
  border: 3px solid var(--pink);
  border-radius: 28px;
  padding: 40px 40px;
  box-shadow:
    6px 6px 0px var(--pink),
    0 20px 60px rgba(255, 105, 180, 0.15);
  gap: 28px;
}

.back-btn {
  align-self: flex-start;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  transition: color 0.15s;
}

.back-btn:hover { color: var(--pink-hot); }

.result-layout {
  display: flex;
  align-items: flex-start;
  gap: 48px;
  width: 100%;
}

/* Photo */

.result-photo-wrap {
  flex-shrink: 0;
  position: relative;
}

.result-photo-wrap img {
  width: 240px;
  height: 300px;
  object-fit: cover;
  border-radius: 20px;
  border: 3px solid var(--pink);
  display: block;
  box-shadow: 4px 4px 0px var(--pink-light);
}

.photo-sticker {
  position: absolute;
  bottom: -12px;
  right: -12px;
  width: 38px;
  height: 38px;
  background: var(--pink-hot);
  color: white;
  border-radius: 50%;
  border: 3px solid white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: 2px 2px 0px var(--pink);
}

/* Info column */

.result-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

/* Score badge — cutecore stamp */

.score-ring-wrap {
  position: relative;
  width: 160px;
  height: 160px;
}

.score-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-track {
  fill: none;
  stroke: var(--pink-light);
  stroke-width: 10;
  stroke-dasharray: 8 6;
}

.ring-fill {
  fill: none;
  stroke: var(--pink-hot);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 502.655;
  stroke-dashoffset: 502.655;
  transition: stroke-dashoffset 1.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.score-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.score-num {
  font-family: var(--font-title);
  font-size: 58px;
  line-height: 1;
  color: var(--pink-hot);
  letter-spacing: -1px;
  text-shadow: 2px 2px 0px var(--pink-light);
}

.score-denom {
  font-size: 13px;
  color: var(--faint);
  font-weight: 600;
  line-height: 1;
}

/* Label */

.result-label-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.result-star {
  color: var(--pink);
  font-size: 14px;
}

.result-label {
  font-family: var(--font-title);
  font-size: 24px;
  color: var(--pink-hot);
  letter-spacing: 0.5px;
  line-height: 1.1;
}

/* Description */

.result-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #7A4060;
  max-width: 340px;
  font-weight: 500;
}

/* Tags — sticker style */

.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.result-tag {
  padding: 7px 16px;
  background: var(--white);
  border: 2.5px solid var(--pink);
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--pink-hot);
  font-family: var(--font-body);
  box-shadow: 2px 2px 0px var(--pink-light);
  letter-spacing: 0.2px;
}

.result-tag::before {
  content: '\2661\00a0';
}

.result-tag:nth-child(odd) {
  transform: rotate(-1deg);
}

.result-tag:nth-child(even) {
  transform: rotate(0.8deg);
}

/* ── LANGUAGE SELECTOR ── */

.lang-selector {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 100;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--white);
  border: 2.5px solid var(--pink);
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  color: var(--pink-hot);
  cursor: pointer;
  box-shadow: 2px 2px 0px var(--pink-light);
  transition: all 0.15s;
}

.lang-btn:hover {
  box-shadow: 3px 3px 0px var(--pink);
}

.lang-arrow {
  font-size: 10px;
  opacity: 0.7;
  transition: transform 0.15s;
}

.lang-selector.open .lang-arrow {
  transform: rotate(180deg);
}

.lang-dropdown {
  display: none;
  flex-direction: column;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--white);
  border: 2.5px solid var(--pink);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 3px 3px 0px var(--pink-light);
  min-width: 148px;
}

.lang-selector.open .lang-dropdown {
  display: flex;
}

.lang-option {
  padding: 10px 16px;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: background 0.1s;
}

.lang-option:hover {
  background: var(--pink-pale);
}

.lang-option.active {
  color: var(--pink-hot);
  background: var(--pink-pale);
}

/* ── RESPONSIVE ── */

@media (max-width: 660px) {
  .container {
    padding: 32px 24px;
  }

  h1 {
    font-size: 44px;
  }

  .result-container {
    max-width: 500px;
    padding: 28px 24px;
  }

  .result-layout {
    flex-direction: column;
    align-items: center;
  }

  .result-photo-wrap img {
    width: 100%;
    max-width: 300px;
    height: 260px;
  }

  .result-info {
    align-items: center;
    text-align: center;
    width: 100%;
  }

  .result-label-wrap {
    justify-content: center;
  }

  .result-tags {
    justify-content: center;
  }

  .result-desc {
    text-align: center;
  }
}