:root {
  --ink: #0f2418;
  --ink-soft: #3d5a4a;
  --paper: #f3f6f1;
  --panel: rgba(255, 255, 255, 0.78);
  --line: rgba(15, 36, 24, 0.12);
  --accent: #1a6b45;
  --accent-deep: #0d3d28;
  --good: #1f7a4d;
  --bad: #9b2c2c;
  --warn: #8a5a12;
  --glow: rgba(26, 107, 69, 0.18);
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Manrope", system-ui, sans-serif;
  --radius: 18px;
  --shadow: 0 24px 60px rgba(13, 61, 40, 0.12);
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 55% at 12% -10%, rgba(26, 107, 69, 0.22), transparent 55%),
    radial-gradient(ellipse 60% 45% at 100% 0%, rgba(196, 168, 92, 0.18), transparent 50%),
    radial-gradient(ellipse 50% 40% at 70% 100%, rgba(15, 36, 24, 0.08), transparent 55%),
    linear-gradient(165deg, #eef4ec 0%, #f7f5ef 48%, #e8efe6 100%);
  animation: drift 18s ease-in-out infinite alternate;
}

@keyframes drift {
  from {
    transform: scale(1) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.04) translate3d(-1.5%, 1%, 0);
  }
}

.shell {
  width: min(560px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(2.5rem, 8vh, 5rem) 0 4rem;
}

.top-actions {
  position: fixed;
  top: max(0.85rem, env(safe-area-inset-top));
  right: max(0.85rem, env(safe-area-inset-right));
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  animation: rise 0.55s ease both;
}

.top-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  font: 700 0.82rem/1 var(--sans);
  letter-spacing: 0.01em;
  text-decoration: none;
  transition:
    transform 0.15s ease,
    background 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

.top-btn:hover {
  transform: translateY(-1px);
}

.top-btn:active {
  transform: translateY(1px);
}

.top-btn-ghost {
  border: 1.5px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  color: var(--accent-deep);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 20px rgba(13, 61, 40, 0.08);
}

.top-btn-ghost:hover {
  border-color: rgba(26, 107, 69, 0.4);
}

.top-btn-solid {
  border: 0;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #f5faf7;
  box-shadow: 0 10px 22px rgba(13, 61, 40, 0.22);
}

.top-btn-solid:hover {
  filter: brightness(1.05);
}

button.top-btn {
  cursor: pointer;
  font-family: var(--sans);
  appearance: none;
}

.docs-link {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.docs-link:hover {
  text-decoration: underline;
}

.brand {
  margin-bottom: 1.75rem;
  animation: rise 0.7s ease both;
}

.brand-mark {
  margin: 0 0 0.85rem;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 8vw, 3.6rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--accent-deep);
}

.brand h1 {
  margin: 0 0 0.75rem;
  font-family: var(--sans);
  font-size: clamp(1.05rem, 2.8vw, 1.2rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.lede {
  margin: 0;
  max-width: 42ch;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.panel {
  display: grid;
  gap: 1.35rem;
  padding: 1.35rem 1.35rem 1.45rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  animation: rise 0.75s ease 0.08s both;
}

.step {
  display: grid;
  gap: 0.75rem;
}

.step-label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.provider-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.provider-option {
  display: grid;
  gap: 0.2rem;
  text-align: left;
  padding: 0.85rem 0.9rem;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  cursor: pointer;
  transition:
    border-color 0.18s ease,
    background 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.provider-option:hover:not(:disabled) {
  border-color: rgba(26, 107, 69, 0.45);
  transform: translateY(-1px);
}

.provider-option.is-selected {
  border-color: var(--accent);
  background: rgba(26, 107, 69, 0.1);
  box-shadow: 0 0 0 3px var(--glow);
}

.provider-option:disabled {
  opacity: 0.65;
  cursor: wait;
}

.provider-name {
  font-size: 0.95rem;
  font-weight: 700;
}

.provider-meta {
  font-size: 0.72rem;
  color: var(--ink-soft);
  line-height: 1.3;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scan-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.95rem 1.2rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #f5faf7;
  font: 700 0.98rem/1 var(--sans);
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
  box-shadow: 0 12px 28px rgba(13, 61, 40, 0.28);
}

.scan-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.scan-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.scan-btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  box-shadow: none;
}

.scan-btn.loading:disabled {
  cursor: wait;
  opacity: 0.78;
}

.btn-spinner {
  display: none;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(245, 250, 247, 0.35);
  border-top-color: #f5faf7;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

button.loading .btn-spinner {
  display: inline-block;
}

button.loading .btn-label {
  opacity: 0.85;
}

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

.result {
  margin-top: 1.25rem;
  padding: 1.25rem 1.3rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  animation: rise 0.45s ease both;
}

.result[hidden] {
  display: none;
}

.result-status {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.result-status h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.85rem;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.badge {
  flex-shrink: 0;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge.ok {
  background: rgba(31, 122, 77, 0.12);
  color: var(--good);
}

.badge.bad {
  background: rgba(155, 44, 44, 0.12);
  color: var(--bad);
}

.badge.warn {
  background: rgba(138, 90, 18, 0.14);
  color: var(--warn);
}

.result p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.facts {
  display: grid;
  gap: 0.65rem;
  margin: 0;
}

.facts > div {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
}

.facts dt {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.facts dd {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  word-break: break-word;
}

.scanner {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 1rem;
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
  background: rgba(8, 18, 12, 0.82);
  backdrop-filter: blur(8px);
}

.scanner[hidden] {
  display: none;
}

.scanner-frame {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 22px;
  background: #000;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.scanner-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scanner-reticle {
  position: absolute;
  inset: 18% 14%;
  border: 2px solid rgba(245, 250, 247, 0.88);
  border-radius: 18px;
  box-shadow: 0 0 0 999px rgba(0, 0, 0, 0.28);
  pointer-events: none;
}

.scanner-hint {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 4.6rem;
  margin: 0;
  text-align: center;
  color: #f5faf7;
  font-size: 0.9rem;
  font-weight: 600;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.55);
}

.scanner-close {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  padding: 0.85rem 1rem;
  border: 0;
  border-radius: 999px;
  background: rgba(245, 250, 247, 0.95);
  color: var(--accent-deep);
  font: 700 0.95rem/1 var(--sans);
  cursor: pointer;
}

@media (max-width: 480px) {
  .shell {
    width: min(560px, calc(100% - 1.25rem));
    padding-top: clamp(5.5rem, 12vh, 7rem);
  }

  .brand-mark {
    padding-top: 0.75rem;
  }

  .top-actions {
    top: max(2.5rem, calc(env(safe-area-inset-top) + 2.5rem));
    right: max(0.65rem, env(safe-area-inset-right));
    gap: 0.35rem;
  }

  .top-btn {
    padding: 0.48rem 0.75rem;
    font-size: 0.76rem;
  }

  .facts > div {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .result-status {
    flex-direction: column;
    align-items: flex-start;
  }
}