/* =========================================================================
   ADPT MEALGEN — design tokens
   Palette: near-black base, stamped red accent, console-style data type.
   ========================================================================= */

:root {
  --bg: #0a0a0a;
  --bg-raised: #121212;
  --surface: #161616;
  --surface-alt: #1d1d1d;
  --border: #2b2b2b;
  --border-soft: #232323;

  --red: #ff2138;
  --red-dim: #b3172a;
  --red-glow: rgba(255, 33, 56, 0.35);

  --text: #f2f2f0;
  --text-dim: #a4a4a1;
  --text-faint: #6c6c6a;

  --protein: #ff2138;
  --carbs: #ffb020;
  --fat: #3fc6ff;

  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;

  --font-display: "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "SF Mono", Consolas, "Roboto Mono", monospace;

  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }

html {
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* faint structural grid texture, purely decorative */
.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 90%);
          mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 90%);
}

a { color: inherit; }

.icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* =========================================================================
   HEADER
   ========================================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(10, 10, 10, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: var(--red);
  color: #0a0a0a;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  border-radius: 8px;
  transform: skew(-6deg);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.08), 0 6px 18px var(--red-glow);
}

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }

.brand-name {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.02em;
  font-size: 17px;
  text-transform: uppercase;
}

.brand-name .accent { color: var(--red); }

.brand-tag {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-family: var(--font-mono);
}

.fav-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: border-color .2s var(--ease), transform .15s var(--ease);
}
.fav-toggle:hover { border-color: var(--red-dim); }
.fav-toggle:active { transform: scale(0.96); }
.fav-toggle .icon { stroke: var(--red); }
.fav-count {
  background: var(--red);
  color: #0a0a0a;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 11px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  display: grid;
  place-items: center;
}
.fav-label { display: none; }
@media (min-width: 560px) { .fav-label { display: inline; color: var(--text-dim); font-weight: 500; } }

/* =========================================================================
   HERO
   ========================================================================= */

main { position: relative; z-index: 1; }

.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 56px 20px 28px;
  text-align: center;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--red);
  text-transform: uppercase;
  margin: 0 0 14px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(38px, 9vw, 74px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}

.hero-title .accent {
  color: var(--red);
  text-shadow: 0 0 34px var(--red-glow);
}

.hero-sub {
  color: var(--text-dim);
  font-size: 15px;
  max-width: 560px;
  margin: 0 auto;
}

/* =========================================================================
   CONSOLE (control panel)
   ========================================================================= */

.console {
  max-width: 1000px;
  margin: 0 auto 8px;
  padding: 22px 18px 26px;
  background: linear-gradient(180deg, var(--surface), var(--bg-raised));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.7);
}

@media (min-width: 640px) {
  .console { margin-left: 20px; margin-right: 20px; padding: 28px 28px 30px; }
}
@media (min-width: 1040px) { .console { margin-left: auto; margin-right: auto; } }

.console-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 760px) {
  .console-grid { grid-template-columns: 1fr 1fr; }
}

.control-block { border: none; margin: 0; padding: 0; min-width: 0; }

.control-block legend {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 0 0 10px;
}

.pill-group { display: flex; flex-wrap: wrap; gap: 8px; }

.pill {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .18s var(--ease);
  white-space: nowrap;
}

.pill:hover { color: var(--text); border-color: #3a3a3a; }

.pill.active {
  background: var(--red);
  border-color: var(--red);
  color: #0a0a0a;
  box-shadow: 0 4px 16px var(--red-glow);
}

.console-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 14px 26px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.btn:active { transform: scale(0.97); }
.btn .icon { width: 16px; height: 16px; }

.btn-primary {
  background: var(--red);
  color: #0a0a0a;
  box-shadow: 0 10px 30px -6px var(--red-glow);
  flex: 1 1 220px;
}
.btn-primary:hover { box-shadow: 0 14px 36px -6px var(--red-glow); }

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
  flex: 1 1 180px;
}
.btn-ghost:hover { border-color: var(--red-dim); color: var(--red); }

.btn-small {
  padding: 10px 16px;
  font-size: 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  flex: 1;
  transition: all .18s var(--ease);
}
.btn-small:hover { border-color: var(--red); color: var(--red); }
.btn-small.copied { background: var(--red); border-color: var(--red); color: #0a0a0a; }

.search-row {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 12px 18px;
}
.search-icon { color: var(--text-faint); flex-shrink: 0; }
.search-row input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 14px;
  font-family: var(--font-body);
}
.search-row input::placeholder { color: var(--text-faint); }
.search-row:focus-within { border-color: var(--red-dim); }

/* =========================================================================
   RESULTS
   ========================================================================= */

.results-section { max-width: 1180px; margin: 0 auto; padding: 34px 20px 80px; }

.results-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
  padding: 0 2px;
}
.results-head h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 20px;
  margin: 0;
  letter-spacing: 0.01em;
}
.results-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
@media (min-width: 640px) { .results-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .results-grid { grid-template-columns: repeat(3, 1fr); } }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-dim);
}
.empty-title { font-weight: 700; color: var(--text); margin: 0 0 6px; }
.empty-sub { margin: 0; font-size: 13px; color: var(--text-faint); }

/* =========================================================================
   MEAL CARD
   ========================================================================= */

.meal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: cardIn .5s var(--ease) both;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.meal-card:hover { border-color: #3a3a3a; transform: translateY(-2px); }

@keyframes cardIn {
  from { opacity: 0; transform: translateY(14px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.meal-card-top { display: flex; align-items: center; justify-content: space-between; }

.meal-type-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  border: 1px solid var(--red-dim);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,33,56,0.08);
}

.fav-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-faint);
  padding: 4px;
  display: grid;
  place-items: center;
  transition: color .18s var(--ease), transform .18s var(--ease);
}
.fav-btn:hover { color: var(--red); transform: scale(1.12); }
.fav-btn[aria-pressed="true"] { color: var(--red); }
.fav-btn[aria-pressed="true"] .icon { fill: var(--red); }

.meal-name {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.2;
  margin: 0;
  text-transform: uppercase;
  min-height: 2.4em;
}

.macro-panel { display: flex; align-items: center; gap: 16px; }

.macro-ring-wrap { position: relative; width: 96px; height: 96px; flex-shrink: 0; }
.macro-ring { width: 96px; height: 96px; transform: rotate(-90deg); }
.macro-ring circle {
  fill: none;
  stroke-width: 10;
  stroke-linecap: round;
}
.ring-track { stroke: var(--border-soft); }
.ring-protein { stroke: var(--protein); transition: stroke-dasharray .6s var(--ease); }
.ring-carbs { stroke: var(--carbs); transition: stroke-dasharray .6s var(--ease); }
.ring-fat { stroke: var(--fat); transition: stroke-dasharray .6s var(--ease); }

.ring-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.ring-cal { font-family: var(--font-mono); font-weight: 800; font-size: 20px; line-height: 1; }
.ring-cal-label { font-family: var(--font-mono); font-size: 9px; color: var(--text-faint); text-transform: uppercase; letter-spacing: .1em; margin-top: 2px; }

.macro-list { display: flex; flex-direction: column; gap: 7px; flex: 1; min-width: 0; }
.macro-row {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  color: var(--text-dim);
  font-weight: 600;
}
.macro-row strong {
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--text);
  font-weight: 700;
}
.macro-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.macro-protein .macro-dot { background: var(--protein); }
.macro-carbs .macro-dot { background: var(--carbs); }
.macro-fat .macro-dot { background: var(--fat); }

.diet-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.diet-tag {
  font-size: 10px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 999px;
}

.meal-details { border-top: 1px solid var(--border-soft); padding-top: 10px; }
.meal-details summary {
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-dim);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.meal-details summary::-webkit-details-marker { display: none; }
.meal-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--red);
  font-size: 16px;
  margin-left: 8px;
}
.meal-details[open] summary::after { content: "\2212"; }
.meal-details summary:hover { color: var(--text); }

.meal-details-inner { padding-top: 12px; animation: cardIn .3s var(--ease) both; }
.meal-details-inner h4 {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-faint);
  margin: 12px 0 6px;
}
.meal-details-inner h4:first-child { margin-top: 0; }
.ingredient-list, .instruction-list { margin: 0; padding-left: 18px; font-size: 13px; color: var(--text-dim); display: flex; flex-direction: column; gap: 5px; }
.ingredient-list li::marker { color: var(--red); }
.instruction-list li::marker { color: var(--red); font-family: var(--font-mono); font-weight: 700; }

.meal-card-actions { display: flex; gap: 8px; }

/* =========================================================================
   FAVOURITES DRAWER
   ========================================================================= */

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s var(--ease);
  z-index: 50;
}
.drawer-backdrop.open { opacity: 1; pointer-events: auto; }

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(420px, 92vw);
  background: var(--bg-raised);
  border-left: 1px solid var(--border);
  z-index: 51;
  transform: translateX(100%);
  transition: transform .32s var(--ease);
  display: flex;
  flex-direction: column;
}
.drawer.open { transform: translateX(0); }

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-soft);
}
.drawer-head h2 { font-family: var(--font-display); text-transform: uppercase; font-size: 18px; margin: 0; }
.drawer-close {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}
.drawer-close:hover { color: var(--red); border-color: var(--red-dim); }

.drawer-body { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }

.fav-empty { color: var(--text-faint); font-size: 13px; text-align: center; padding: 40px 10px; }

.fav-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.fav-item-info { flex: 1; min-width: 0; }
.fav-item-name { font-weight: 700; font-size: 13.5px; display: block; margin-bottom: 3px; }
.fav-item-meta { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); }
.fav-item-remove {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-faint);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
}
.fav-item-remove:hover { color: var(--red); border-color: var(--red-dim); }

/* =========================================================================
   TOAST
   ========================================================================= */

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface-alt);
  border: 1px solid var(--red-dim);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: all .25s var(--ease);
  z-index: 60;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* =========================================================================
   FOOTER
   ========================================================================= */

.site-footer {
  text-align: center;
  padding: 30px 20px 50px;
  color: var(--text-faint);
  font-size: 12px;
  font-family: var(--font-mono);
  border-top: 1px solid var(--border-soft);
}

/* focus visibility for a11y */
button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}