/* ═══════════════════════════════════════════════════════════════
   THE NUTS BOWL — calculator.css
   Styles for the Nutrition Calculator page
═══════════════════════════════════════════════════════════════ */

/* ── Hero ──────────────────────────────────────────────────── */
.calc-hero {
  padding: 8rem 0 3rem;
  text-align: center;
}
.calc-hero .section-title { margin-top: 0.5rem; }
.calc-hero small {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  opacity: 0.6;
  letter-spacing: 0.02em;
}

/* ── Sections ─────────────────────────────────────────────── */
.calc-section     { padding: 3rem 0 5rem; }
.calc-section-alt { background: var(--bg-alt, rgba(0,0,0,0.03)); }

/* ══════════════════════════════════════════════════════════════
   TOTALS PANEL — full-width card pinned at top of the section
══════════════════════════════════════════════════════════════ */
.mix-totals {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, rgba(0,0,0,0.08));
  border-radius: 20px;
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
  position: sticky;
  top: 72px;
  z-index: 10;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 0;
}

/* Top row: goal input + progress bar side by side */
.mix-totals-top {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1.5rem;
}

/* Bottom row: macros spread across full width */
.mix-totals-bottom {
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid var(--border, rgba(0,0,0,0.07));
  padding-top: 1rem;
}
.mix-totals-bottom .mix-macro-item {
  flex: 1;
  border-right: 1px solid var(--border, rgba(0,0,0,0.07));
  padding: 0 1.25rem;
}
.mix-totals-bottom .mix-macro-item:first-child { padding-left: 0; }
.mix-totals-bottom .mix-reset-btn { margin-left: auto; flex-shrink: 0; }

/* ── Goal input row ────────────────────────────────────────── */
.mix-goal-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  white-space: nowrap;
}
.mix-goal-row label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.6;
}
.target-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--bg, #f5f5f5);
  border-radius: 10px;
  padding: 0.4rem 0.75rem;
}
.target-input {
  width: 52px;
  border: none;
  background: transparent;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text, #111);
  text-align: center;
  outline: none;
  -moz-appearance: textfield;
}
.target-input::-webkit-outer-spin-button,
.target-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.target-unit { font-size: 0.82rem; font-weight: 600; opacity: 0.5; }

/* ── Protein progress bar ──────────────────────────────────── */
.macro-progress-wrap { display: flex; flex-direction: column; gap: 0.35rem; }
.macro-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 700;
}
.macro-progress-track {
  height: 8px;
  background: var(--border, rgba(0,0,0,0.1));
  border-radius: 99px;
  overflow: hidden;
}
.macro-progress-fill {
  height: 100%;
  background: var(--accent, #2d6a4f);
  border-radius: 99px;
  transition: width 0.3s ease;
  max-width: 100%;
}
.macro-progress-fill.over-goal { background: #e76f51; }
.macro-progress-goal { font-size: 0.68rem; opacity: 0.45; text-align: right; }

/* ── Macro items ───────────────────────────────────────────── */
.mix-macro-item { display: flex; flex-direction: column; gap: 0.1rem; }
.mix-macro-value { font-size: 1.4rem; font-weight: 800; line-height: 1.1; }
.mix-macro-label {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.45;
}

/* ── Reset button ──────────────────────────────────────────── */
.mix-reset-btn {
  font-size: 0.78rem;
  padding: 0.35rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--border, rgba(0,0,0,0.15));
  background: transparent;
  cursor: pointer;
  color: var(--text, #111);
  transition: background 0.15s;
}
.mix-reset-btn:hover { background: var(--border, rgba(0,0,0,0.07)); }

/* ══════════════════════════════════════════════════════════════
   PRODUCT SLIDERS — 2-column grid on desktop
══════════════════════════════════════════════════════════════ */
.mix-products {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.mix-product-row {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, rgba(0,0,0,0.08));
  border-radius: 14px;
  padding: 1rem 1.25rem;
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  align-items: center;
  gap: 0.85rem;
}

.mix-product-emoji { font-size: 1.5rem; line-height: 1; text-align: center; }
.mix-product-info  { display: flex; flex-direction: column; gap: 0.35rem; }
.mix-product-name  { font-size: 0.9rem; font-weight: 700; }

.mix-slider {
  width: 100%;
  accent-color: var(--accent, #2d6a4f);
  cursor: pointer;
}

.mix-product-value-wrap {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  min-width: 68px;
  justify-content: flex-end;
}
.mix-gram-input {
  width: 48px;
  border: 1px solid var(--border, rgba(0,0,0,0.1));
  border-radius: 8px;
  background: var(--bg, #f5f5f5);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text, #111);
  text-align: center;
  padding: 0.25rem 0.3rem;
  outline: none;
  -moz-appearance: textfield;
}
.mix-gram-input::-webkit-outer-spin-button,
.mix-gram-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.mix-gram-unit { font-size: 0.72rem; opacity: 0.5; }

/* Macro mini row inside product card */
.mix-product-macros {
  grid-column: 2 / -1;
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}
.mix-pmacro { font-size: 0.7rem; opacity: 0.55; }

/* ── Fix last macro item border on desktop ─────────────────── */
.mix-totals-bottom .mix-macro-item:last-of-type { border-right: none; }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — TABLET  (≤860px)
══════════════════════════════════════════════════════════════ */
@media (max-width: 860px) {
  .mix-products { grid-template-columns: 1fr; }
  .mix-totals-top { grid-template-columns: 1fr; gap: 1rem; }
  .mix-totals-bottom .mix-macro-item { padding: 0 0.75rem; }
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE  (≤600px)
══════════════════════════════════════════════════════════════ */
@media (max-width: 600px) {

  /* ── Hero tighter on phones ──────────────────────────────── */
  .calc-hero { padding: 5rem 0 1.75rem; }

  /* ── Section ─────────────────────────────────────────────── */
  .calc-section { padding: 1.25rem 0 0; }

  /* ── Bottom sheet panel ──────────────────────────────────── */
  .mix-totals {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    top: auto;
    border-radius: 18px 18px 0 0;
    border-bottom: none;
    border-left: none;
    border-right: none;
    box-shadow: 0 -6px 40px rgba(0,0,0,0.14);
    z-index: 100;
    padding: 0 1.1rem calc(0.85rem + env(safe-area-inset-bottom));
    gap: 0.5rem;
    background: var(--card-bg, #fff);
    margin: 0;
  }

  /* Drag-handle indicator */
  .mix-totals::before {
    content: '';
    display: block;
    width: 36px;
    height: 4px;
    border-radius: 99px;
    background: var(--border, rgba(0,0,0,0.15));
    margin: 0.6rem auto 0.2rem;
  }

  /* Goal row + progress bar side by side */
  .mix-totals-top {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
    grid-template-columns: unset;
  }
  .mix-goal-row { flex-shrink: 0; gap: 0.5rem; }
  .mix-goal-row label { display: none; }
  .target-input-wrap { padding: 0.35rem 0.6rem; }
  .target-input { width: 44px; font-size: 0.95rem; }
  .macro-progress-wrap { flex: 1; min-width: 0; }

  /* 3-column macro grid */
  .mix-totals-bottom {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding-top: 0.5rem;
    border-top: 1px solid var(--border, rgba(0,0,0,0.07));
    gap: 0.3rem 0;
  }
  .mix-totals-bottom .mix-macro-item {
    border-right: none;
    padding: 0 0.4rem;
  }
  .mix-totals-bottom .mix-macro-item:first-child { padding-left: 0; }
  .mix-totals-bottom .mix-reset-btn {
    grid-column: 3;
    grid-row: 2;
    margin: 0;
    align-self: center;
    justify-self: end;
    font-size: 0.7rem;
    padding: 0.25rem 0.65rem;
  }
  .mix-macro-value { font-size: 1rem; }
  .mix-macro-label { font-size: 0.58rem; }

  /* ── Product slider cards ────────────────────────────────── */
  .mix-products {
    padding-bottom: 240px;
    gap: 0.65rem;
  }

  .mix-product-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.75rem;
    padding: 0.85rem 1rem;
  }

  .mix-product-emoji { font-size: 1.6rem; flex-shrink: 0; }

  .mix-product-info { flex: 1; min-width: 0; gap: 0.25rem; }
  .mix-product-name { font-size: 0.88rem; }

  /* Slider full-width inside info block */
  .mix-slider { height: 20px; margin-top: 0.1rem; }

  .mix-product-value-wrap { flex-shrink: 0; min-width: 56px; }
  .mix-gram-input { width: 44px; font-size: 0.88rem; }

  /* Macro mini tags — pill style */
  .mix-product-macros { gap: 0.4rem; }
  .mix-pmacro {
    font-size: 0.65rem;
    background: var(--bg-alt, rgba(0,0,0,0.04));
    border-radius: 20px;
    padding: 0.1rem 0.45rem;
    opacity: 1;
  }

  .footer { display: none; }
}