:root {
  --bg: #0f1115;
  --surface: #171a21;
  --surface-2: #1f232c;
  --border: #2a2f3a;
  --text: #eef0f3;
  --text-dim: #9aa2b1;
  --accent: #ff5e3a;
  --accent-dim: #40241a;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

.site-header {
  padding: 2.5rem 1.5rem 1.5rem;
  text-align: center;
}

.brand {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.tagline {
  color: var(--text-dim);
  margin-top: 0.4rem;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.field { display: flex; flex-direction: column; gap: 0.35rem; }
.field-wide { grid-column: 1 / -1; }

label { font-size: 0.85rem; color: var(--text-dim); }

input, select, textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem 0.7rem;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

textarea { resize: vertical; }

#submit-btn {
  margin-top: 1.5rem;
  width: 100%;
  padding: 0.9rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

#submit-btn:hover { filter: brightness(1.08); }
#submit-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.secondary-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  font-size: 0.85rem;
}

.secondary-btn:hover { border-color: var(--accent); }

.disclaimer {
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--text-dim);
  text-align: center;
}

#loading-section {
  text-align: center;
  padding: 3rem 0;
}

.loading-text { color: var(--text-dim); font-size: 1.05rem; }

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.result-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.result-block h3 { margin-top: 0; color: var(--accent); }

.result-summary { color: var(--text-dim); }

.day-block {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.75rem;
}

.day-block h4 { margin: 0 0 0.5rem; }

.exercise-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0;
  font-size: 0.92rem;
  border-bottom: 1px dashed var(--border);
}

.exercise-row:last-child { border-bottom: none; }
.exercise-name { font-weight: 600; }
.exercise-meta { color: var(--text-dim); white-space: nowrap; }

.macros-row {
  display: flex;
  gap: 0.75rem;
  margin: 0.75rem 0;
  flex-wrap: wrap;
}

.macro-pill {
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.meal-row {
  padding: 0.5rem 0;
  border-top: 1px solid var(--border);
}

.meal-row:first-child { border-top: none; }
.meal-name { font-weight: 600; }
.meal-example { color: var(--text-dim); font-size: 0.9rem; }
.meal-macros { color: var(--accent); font-size: 0.8rem; margin-top: 0.15rem; }
.meal-alt { color: var(--text-dim); font-size: 0.85rem; margin-top: 0.15rem; font-style: italic; }

.result-actions {
  display: flex;
  gap: 0.5rem;
}

.notes-block p { color: var(--text-dim); white-space: pre-line; }

.error-text {
  color: #ff6b6b;
  text-align: center;
}

#error-section { text-align: center; padding: 2rem 0; }

.site-footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  padding: 1.5rem;
}

@media (max-width: 600px) {
  .form-grid { grid-template-columns: 1fr; }
}