:root {
  --bg: #f5f7fa;
  --text: #15222f;
  --muted: #567086;
  --surface: #ffffff;
  --border: #dde5ee;
  --brand: #0d6076;
  --green: #0f9f54;
  --yellow: #d4a100;
  --orange: #d86f18;
  --red: #c8342f;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 12% 10%, #eaf6fb 0%, var(--bg) 45%, #f4f5f2 100%);
}

.app {
  max-width: 760px;
  margin: 0 auto;
  padding: 1rem 1rem 5rem;
}

.header h1 {
  margin: 0;
  font-size: 1.8rem;
}

.header p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 8px 22px rgba(21, 34, 47, 0.06);
}

.controls {
  margin-top: 1rem;
}

.row {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.actions {
  justify-content: flex-end;
  flex-wrap: wrap;
}

button,
input {
  font: inherit;
}

button {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.55rem 0.9rem;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

button.ghost {
  background: #eef2f6;
  color: var(--text);
  border-color: var(--border);
}

.video-wrap {
  margin-top: 0.85rem;
}

#videoPreview {
  width: 100%;
  min-height: 240px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0d1217;
}

.hint {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.manual-form {
  margin-top: 1rem;
}

.manual-form label {
  display: block;
  font-size: 0.92rem;
  margin-bottom: 0.35rem;
}

.manual-form input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.58rem 0.7rem;
}

.result {
  margin-top: 1rem;
}

.hidden {
  display: none;
}

.verdict {
  border-radius: 12px;
  padding: 0.9rem;
  color: #fff;
}

.verdict-RED {
  background: var(--red);
}

.verdict-ORANGE {
  background: var(--orange);
}

.verdict-YELLOW {
  background: var(--yellow);
  color: #1c1c1c;
}

.verdict-GREEN {
  background: var(--green);
}

.verdict-UNKNOWN {
  background: #6d7782;
}

.status {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0;
}

.explain,
.confidence {
  margin: 0.45rem 0 0;
}

.chips {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.chip {
  background: #edf2f6;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.65rem;
  font-size: 0.82rem;
}

.ingredient-section {
  margin-top: 0.9rem;
}

.ingredient-section h3 {
  margin: 0;
  font-size: 0.95rem;
}

.ingredient-rows {
  margin-top: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.ingredient-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.87rem;
}

.ingredient-row:last-child {
  border-bottom: none;
}

.ingredient-label {
  font-weight: 700;
}

.ingredient-label-RED {
  color: var(--red);
}

.ingredient-label-ORANGE {
  color: var(--orange);
}

.ingredient-label-YELLOW {
  color: #946e00;
}

.ingredient-label-GREEN {
  color: var(--green);
}

.ingredient-values {
  color: #263340;
  word-break: break-word;
}

.meta {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.error-area {
  margin-top: 0.7rem;
}

.error-card {
  border-radius: 10px;
  border: 1px solid #f0ced0;
  background: #fff5f6;
  color: #7b1d27;
  padding: 0.75rem;
}

.error-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.error-card p {
  margin: 0;
}

.error-card .row {
  margin-top: 0.65rem;
}

.ad-strip {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 42px;
  background: #eef3f8;
  border-top: 1px solid var(--border);
  color: #4d667a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
}

.new-scan {
  position: fixed;
  left: 0.8rem;
  right: 0.8rem;
  bottom: 54px;
  z-index: 20;
  padding: 0.85rem 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 20px rgba(13, 96, 118, 0.25);
}

.settings-modal {
  border: none;
  padding: 0;
  background: transparent;
  width: min(92vw, 520px);
}

.settings-modal::backdrop {
  background: rgba(8, 16, 24, 0.45);
}

.settings-card h2 {
  margin-top: 0;
}

.settings-card input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.58rem 0.7rem;
}

@media (max-width: 640px) {
  .app {
    padding: 0.9rem 0.75rem 7.25rem;
  }

  .row {
    flex-wrap: wrap;
  }

  .manual-form .row button,
  .manual-form .row input {
    width: 100%;
  }

  #videoPreview {
    min-height: 220px;
  }

  .new-scan {
    left: 0.65rem;
    right: 0.65rem;
    bottom: 52px;
  }
}