:root {
  color-scheme: light;
  --bg: #f6f0e8;
  --fg: #23140c;
  --muted: #5e4b3f;
  --accent: #d88b3a;
  --accent-strong: #a76623;
  --accent-soft: #f2d5a2;
  --card-bg: #fffcf7;
  --border: rgba(140, 96, 52, 0.18);
  --border-strong: rgba(140, 96, 52, 0.32);
  --shadow: 0 28px 45px rgba(39, 19, 5, 0.08);
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: linear-gradient(180deg, #f8f3ea 0%, #f1e6d6 40%, #f8f3ea 100%);
  color: var(--fg);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  width: min(1140px, 92vw);
  margin: 0 auto;
  padding: 0 0 2rem;
}

.site-header {
  background: radial-gradient(circle at 10% -20%, #48250f 0%, #2a1407 42%, #b56d24 100%);
  color: #fff8ed;
  padding: 3rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.site-header::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 0%, rgb(255 255 255 / 0.2), transparent 55%);
  pointer-events: none;
}

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2.75rem;
  z-index: 1;
}

@media (min-width: 900px) {
  .hero {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
  }
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  max-width: 560px;
}

.brand-logo {
  flex-shrink: 0;
  width: 6.5rem;
  height: 6.5rem;
  border-radius: 28px;
  display: grid;
  place-items: center;
  background: rgb(255 255 255 / 0.12);
  backdrop-filter: blur(6px);
  box-shadow: 0 20px 40px rgb(0 0 0 / 0.22);
}

.logo-icon {
  width: 88%;
  height: auto;
}

.brand-text {
  display: grid;
  gap: 0.75rem;
}

.brand-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgb(255 255 255 / 0.18);
  color: #ffe5c5;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-text h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.brand-text p {
  margin: 0;
  font-size: 1.05rem;
  color: rgb(255 245 232 / 0.92);
  max-width: 50ch;
}

.hero-highlights {
  display: grid;
  gap: 1rem;
  width: 100%;
}

@media (min-width: 600px) {
  .hero-highlights {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

.highlight-card {
  display: flex;
  gap: 1rem;
  padding: 1.25rem 1.4rem;
  border-radius: 18px;
  background: rgb(255 255 255 / 0.12);
  border: 1px solid rgb(255 255 255 / 0.18);
  box-shadow: 0 20px 35px rgb(0 0 0 / 0.18);
}

.highlight-icon {
  font-size: 1.6rem;
}

.highlight-card h2 {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
  color: #fffaf2;
}

.highlight-card p {
  margin: 0;
  font-size: 0.95rem;
  color: rgb(255 245 232 / 0.82);
}

.app-main {
  margin-top: -4.5rem;
  padding-bottom: 4rem;
}

.app-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
  align-items: start;
}

@media (max-width: 960px) {
  .app-grid {
    grid-template-columns: 1fr;
  }
}

.control-grid {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
  background: var(--card-bg);
  border-radius: 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 1.85rem;
}

.form-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card-header h2 {
  margin: 0;
  font-size: 1.35rem;
  color: var(--accent-strong);
}

.section-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 18px;
  background: rgb(216 139 58 / 0.16);
  font-size: 1.3rem;
}

.section-lead {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem 1.25rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--fg);
}

input[type="number"],
select {
  appearance: none;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fffdfa;
  font-size: 1rem;
  color: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

input[type="number"]:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(216 139 58 / 0.25);
  transform: translateY(-1px);
}

select {
  background-image: linear-gradient(45deg, transparent 50%, var(--accent) 50%),
    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position: calc(100% - 1.4rem) calc(1.2rem), calc(100% - 1rem) calc(1.2rem);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.accessory-group {
  margin-top: 0.5rem;
  border: 1px dashed var(--border-strong);
  border-radius: 16px;
  padding: 1rem 1.25rem 0.5rem;
  display: grid;
  gap: 0.7rem;
  background: rgb(255 252 246 / 0.7);
}

.accessory-group legend {
  padding: 0 0.5rem;
  font-weight: 600;
  color: var(--accent-strong);
  font-size: 0.95rem;
}

.accessory-group legend span {
  margin-right: 0.5rem;
}

.accessory-group label {
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
  color: var(--muted);
}

.accessory-group input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--accent);
}

.results-panel {
  position: sticky;
  top: 2rem;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.summary {
  display: grid;
  gap: 1.5rem;
}

.plan-card {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  padding: 1.25rem 1.4rem;
  border-radius: 18px;
  border: 1px solid rgb(168 116 65 / 0.28);
  background: linear-gradient(135deg, rgb(255 246 232 / 0.95), rgb(250 230 198 / 0.92));
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.6);
}

.plan-icon {
  font-size: 1.9rem;
  line-height: 1;
  color: var(--accent-strong);
}

.plan-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.2rem;
  color: var(--accent-strong);
}

.plan-card p {
  margin: 0 0 0.4rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.plan-support {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  font-style: italic;
}

.change-summary {
  display: grid;
  gap: 0.75rem;
  padding: 1rem 1.2rem;
  border-radius: 16px;
  border: 1px dashed var(--border);
  background: rgb(255 252 246 / 0.9);
}

.change-summary h4 {
  margin: 0;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-strong);
}

.change-chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.change-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgb(217 139 58 / 0.14);
  color: var(--accent-strong);
  font-weight: 600;
  font-size: 0.85rem;
}

.change-chip-icon {
  font-size: 1rem;
  line-height: 1;
}

.grind-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.2rem 1.35rem;
  border-radius: 18px;
  border: 1px solid rgb(168 116 65 / 0.28);
  background: linear-gradient(135deg, rgb(255 241 218 / 0.9), rgb(249 229 198 / 0.95));
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.55);
}

.grind-card.grind-finer {
  border-color: rgb(150 94 32 / 0.45);
  background: linear-gradient(135deg, rgb(255 240 224 / 0.95), rgb(247 214 174 / 0.9));
}

.grind-card.grind-coarser {
  border-color: rgb(155 103 53 / 0.45);
  background: linear-gradient(135deg, rgb(248 234 209 / 0.9), rgb(238 212 176 / 0.95));
}

.grind-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.grind-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  color: var(--accent-strong);
}

.grind-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
}

.metric-card {
  display: grid;
  gap: 0.85rem;
  padding: 1.1rem 1.2rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #fffdf9;
  box-shadow: 0 14px 32px rgb(58 34 15 / 0.1);
}

.metric-card header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.metric-icon {
  font-size: 1.35rem;
}

.metric-name {
  font-weight: 600;
  color: var(--fg);
}

.metric-values {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.metric-values div {
  display: grid;
  gap: 0.25rem;
}

.metric-caption {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.metric-values strong {
  font-size: 1.05rem;
  color: var(--fg);
}

.metric-delta {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.delta-positive {
  color: #237963;
}

.delta-negative {
  color: #c2442e;
}

.details {
  display: grid;
  gap: 1rem;
}

.details h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--accent-strong);
}

.details ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.details li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  border-radius: 14px;
  border: 1px dashed var(--border-strong);
  background: rgb(255 252 246 / 0.85);
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.note-icon {
  font-size: 1.25rem;
  line-height: 1;
  color: var(--accent-strong);
}

.note-body {
  display: grid;
  gap: 0.35rem;
}

.note-body p {
  margin: 0;
  color: var(--muted);
}

.note-context {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-strong);
}

.note-footnote {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.empty-state {
  display: grid;
  place-items: center;
  gap: 0.65rem;
  text-align: center;
  padding: 2.25rem 1.5rem;
  border-radius: 18px;
  border: 1px dashed var(--border);
  background: rgb(255 252 246 / 0.8);
  color: var(--muted);
}

.empty-state h3 {
  margin: 0;
  font-size: 1.15rem;
  color: var(--accent-strong);
}

.empty-icon {
  font-size: 2rem;
}

.site-footer {
  background: #100804;
  color: #f6efe4;
  padding: 2rem 0;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.footer-note {
  margin: 0;
  max-width: 52ch;
  color: rgb(246 239 228 / 0.85);
}

.footer-credit {
  margin: 0;
  font-weight: 600;
  color: #fddca3;
}

@media (max-width: 680px) {
  .container {
    width: 94vw;
  }

  .card {
    padding: 1.5rem;
  }

  .metric-values {
    flex-direction: column;
    align-items: flex-start;
  }

  .results-panel {
    position: static;
  }

  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }
}