:root {
  --cream: #FBF3E7;
  --card: #FFFDF9;
  --ink: #3A2417;
  --ink-soft: #6B5240;
  --marigold: #E8720C;
  --marigold-dark: #C45B03;
  --turmeric: #FFB627;
  --stamp-green: #2F7D4F;
  --stamp-green-dark: #1F5C39;
  --muted: #E3D3B8;
  --shadow: rgba(58, 36, 23, 0.12);

  --font-display-en: 'Baloo 2', 'Mukta', sans-serif;
  --font-display-hi: 'Baloo Bhaina 2', 'Mukta Vaani', sans-serif;
  --font-body-en: 'Mukta', sans-serif;
  --font-body-hi: 'Mukta Vaani', 'Mukta', sans-serif;

  /* fluid spacing/type scaling for zero-scroll fit */
  --sp-xs: clamp(2px, 0.6vh, 4px);
  --sp-sm: clamp(4px, 0.8vh, 6px);
  --sp-md: clamp(6px, 1.2vh, 10px);
  --sp-lg: clamp(8px, 1.6vh, 14px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body-en);
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: none;
}

body[data-lang="hi"] { font-family: var(--font-body-hi); }
body[data-lang="hi"] .display-font { font-family: var(--font-display-hi); }
.display-font { font-family: var(--font-display-en); }

.app-shell {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  min-height: 100svh;
  position: relative;
  display: flex;
  flex-direction: column;
  padding-left: clamp(14px, 4vw, 20px);
  padding-right: clamp(14px, 4vw, 20px);
  padding-top: max(6px, env(safe-area-inset-top));
  padding-bottom: max(24px, calc(env(safe-area-inset-bottom) + 16px));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* ===== Views (main / history) ===== */
.view {
  display: none;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}
.view.active { display: flex; }

/* ===== Header ===== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: clamp(4px, 0.8vh, 8px) 0;
  flex-shrink: 0;
}

.app-title {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.app-title .tag-icon {
  width: clamp(30px, 4.8vh, 36px);
  height: clamp(30px, 4.8vh, 36px);
  flex-shrink: 0;
}

.app-title h1 {
  font-size: clamp(18px, 4.5vw, 22px);
  margin: 0;
  line-height: 1.1;
  color: var(--ink);
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-title p {
  margin: 1px 0 0;
  font-size: clamp(11px, 2.4vw, 13px);
  color: var(--ink-soft);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.lang-select-wrap {
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: var(--card);
  border: 2px solid var(--muted);
  border-radius: 999px;
  padding: 6px 28px 6px 12px;
  font-weight: 700;
  font-size: 13.5px;
  color: var(--ink);
  cursor: pointer;
  font-family: inherit;
  min-height: 35px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
  transition: border-color 0.15s ease;
}

.lang-select:focus {
  outline: none;
  border-color: var(--marigold);
}

.lang-select-arrow {
  position: absolute;
  right: 9px;
  top: 50%;
  transform: translateY(-50%);
  width: 13px;
  height: 13px;
  color: var(--ink-soft);
  pointer-events: none;
}

/* ===== Cards wrap ===== */
.cards-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: clamp(8px, 1.4vh, 12px);
  padding-top: 4px;
  padding-bottom: clamp(6px, 1.2vh, 10px);
}

.tag-card {
  background: var(--card);
  border-radius: 15px;
  padding: clamp(8px, 1.3vh, 12px) clamp(10px, 2.5vw, 14px) clamp(8px, 1.3vh, 12px) 24px;
  box-shadow: 0 3px 12px var(--shadow);
  position: relative;
  border: 1px solid var(--muted);
  clip-path: polygon(
    0% 50%, 18px 32%, 18px 0%, 100% 0%, 100% 100%, 18px 100%, 18px 68%
  );
  flex-shrink: 0;
}

.tag-card::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cream);
  border: 1.5px solid var(--muted);
}

.tag-card .tag-label {
  font-family: var(--font-display-en);
  font-weight: 700;
  font-size: clamp(15px, 3.5vw, 17.5px);
  color: var(--marigold-dark);
  margin: 0 0 clamp(3px, 0.6vh, 6px) 0;
  display: flex;
  align-items: center;
  gap: 7px;
}

body[data-lang="hi"] .tag-card .tag-label { font-family: var(--font-display-hi); }

.tag-card .tag-label .num-badge {
  background: var(--marigold);
  color: white;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-body-en);
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(232, 114, 12, 0.35);
}

.field-row { margin-bottom: clamp(3px, 0.7vh, 6px); }

.field-row label {
  display: block;
  font-size: clamp(12px, 2.7vw, 13.5px);
  font-weight: 600;
  color: var(--ink-soft);
  margin: 0 0 3px 2px;
}

.stepper {
  display: flex;
  align-items: stretch;
  gap: 7px;
  height: clamp(34px, 4.4vh, 40px);
  min-height: 34px;
}

.stepper button {
  width: clamp(34px, 4.4vh, 40px);
  min-width: 34px;
  flex-shrink: 0;
  border: none;
  border-radius: 9px;
  background: var(--turmeric);
  color: var(--ink);
  font-size: clamp(18px, 3.8vw, 22px);
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-body-en);
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  -webkit-user-select: none;
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.stepper button:active {
  background: #e6a01f;
  transform: scale(0.96);
}

.stepper input {
  flex: 1;
  min-width: 0;
  border: 2px solid var(--muted);
  border-radius: 9px;
  text-align: center;
  font-size: clamp(16px, 4vw, 19px);
  font-weight: 700;
  color: var(--ink);
  background: white;
  font-family: var(--font-body-en);
  padding: 0 6px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.stepper input:focus {
  outline: none;
  border-color: var(--marigold);
  box-shadow: 0 0 0 3px rgba(232, 114, 12, 0.15);
}

.unit-pills {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  margin-left: 0;
  width: 100%;
}

.unit-pills button {
  width: 100%;
  border: 2px solid var(--muted);
  background: white;
  border-radius: 999px;
  padding: clamp(4px, 0.7vh, 7px) 2px;
  font-size: clamp(11.5px, 2.6vw, 13.5px);
  font-weight: 700;
  color: var(--ink-soft);
  cursor: pointer;
  font-family: var(--font-body-en);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.unit-pills button.active {
  background: var(--ink);
  border-color: var(--ink);
  color: white;
  box-shadow: 0 2px 5px rgba(58, 36, 23, 0.22);
}

.unit-pills button:active:not(.active) {
  background: var(--cream);
  transform: scale(0.96);
}

/* ===== Compare button ===== */
.compare-btn {
  width: 100%;
  flex-shrink: 0;
  border: none;
  border-radius: 12px;
  background: linear-gradient(180deg, var(--marigold) 0%, var(--marigold-dark) 100%);
  color: white;
  font-family: var(--font-display-en);
  font-size: clamp(16px, 3.5vw, 18.5px);
  font-weight: 700;
  padding: clamp(8px, 1.4vh, 12px);
  min-height: 40px;
  margin-bottom: max(12px, env(safe-area-inset-bottom));
  cursor: pointer;
  box-shadow: 0 5px 0 #9c4802, 0 6px 14px var(--shadow);
  letter-spacing: 0.3px;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

body[data-lang="hi"] .compare-btn { font-family: var(--font-display-hi); }

.compare-btn:active {
  transform: translateY(3px);
  box-shadow: 0 2px 0 #9c4802, 0 4px 10px var(--shadow);
}

/* ===== Result modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(58, 36, 23, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 100;
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
.modal-overlay.active { display: flex; }

.modal-card {
  background: var(--card);
  border-radius: 20px;
  padding: 24px 18px 20px;
  max-width: 400px;
  width: 100%;
  max-height: 88dvh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
  animation: pop-in 0.28s cubic-bezier(.34,1.4,.64,1);
}

@keyframes pop-in {
  from { opacity: 0; transform: scale(0.92) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .modal-card, .stamp { animation: none; }
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--muted);
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s ease;
}

.modal-close:active {
  background: #d4c2a5;
}

.stamp {
  position: absolute;
  top: 16px;
  right: 54px;
  border: 3.5px solid var(--stamp-green);
  color: var(--stamp-green);
  border-radius: 10px;
  padding: 4px 8px;
  font-family: var(--font-display-en);
  font-weight: 700;
  font-size: 13px;
  transform: rotate(-9deg) scale(1);
  opacity: 0.92;
  animation: stamp-down 0.4s cubic-bezier(.36,1.6,.6,1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.15;
  text-align: center;
}

body[data-lang="hi"] .stamp { font-family: var(--font-display-hi); text-transform: none; }

@keyframes stamp-down {
  0% { transform: rotate(-9deg) scale(2.4); opacity: 0; }
  60% { opacity: 1; }
  100% { transform: rotate(-9deg) scale(1); opacity: 0.92; }
}

.result-title {
  font-family: var(--font-display-en);
  font-size: clamp(18px, 4vw, 20px);
  font-weight: 700;
  color: var(--stamp-green-dark);
  margin: 0 0 4px;
  padding-right: 70px;
}
body[data-lang="hi"] .result-title { font-family: var(--font-display-hi); }

.result-sub {
  font-size: 13.5px;
  color: var(--ink-soft);
  margin: 0 0 16px;
  padding-right: 70px;
}

.compare-grid {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}

.compare-item {
  flex: 1;
  background: var(--cream);
  border-radius: 12px;
  padding: 12px 10px;
  border: 2px solid var(--muted);
}

.compare-item.winner {
  border-color: var(--stamp-green);
  background: #EAF6EE;
}

.compare-item .ci-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

.compare-item .ci-price {
  font-size: clamp(15px, 3.5vw, 17px);
  font-weight: 700;
  color: var(--ink);
}

.compare-item.winner .ci-price { color: var(--stamp-green-dark); }

.warning-note {
  font-size: 12.5px;
  color: var(--marigold-dark);
  background: #FFF4E4;
  border: 1px solid var(--turmeric);
  border-radius: 10px;
  padding: 10px 12px;
  margin-top: 6px;
}

/* ===== Responsive Breakpoints for Small Screens ===== */
@media (max-width: 380px) {
  .app-shell {
    padding-left: 14px;
    padding-right: 14px;
  }
  .unit-pills {
    gap: 3px;
  }
  .unit-pills button {
    font-size: 11.5px;
    padding: 6px 1px;
  }
  .lang-select {
    padding: 6px 26px 6px 12px;
    font-size: 12.5px;
  }
  .compare-grid {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-height: 640px) {
  :root {
    --sp-md: 6px;
    --sp-sm: 4px;
  }
  .app-header {
    padding-top: 2px;
    padding-bottom: 4px;
  }
  .tag-card .tag-label { margin-bottom: 4px; }
  .field-row { margin-bottom: 4px; }
}