/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
  user-select: none;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--gradient-ember);
  color: white;
  box-shadow: 0 4px 14px var(--color-ember-glow);
}
.btn-primary:hover:not(:disabled) { box-shadow: var(--shadow-ember-strong); }

.btn-secondary {
  background: transparent;
  color: var(--color-ember);
  border: 1px solid var(--color-ember);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--color-ember-soft);
}

.btn-ghost {
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface-3);
  border-color: var(--color-border-strong);
}

.btn-danger {
  background: transparent;
  color: var(--color-danger);
  border: 1px solid rgba(229, 72, 77, 0.4);
}
.btn-danger:hover:not(:disabled) {
  background: rgba(229, 72, 77, 0.12);
  border-color: var(--color-danger);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-icon:hover:not(:disabled) { background: var(--color-surface-3); }

.btn-lg { padding: var(--sp-4) var(--sp-6); font-size: var(--fs-body); }
.btn-full { width: 100%; }

/* ========== Inputs ========== */
.input, .textarea, .select {
  width: 100%;
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-body);
  font-family: var(--font-sans);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.input::placeholder, .textarea::placeholder { color: var(--color-text-dim); }
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--color-ember);
  box-shadow: 0 0 0 3px var(--color-ember-soft);
}
.textarea { resize: vertical; min-height: 96px; line-height: var(--lh-normal); }
.input-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.input-hint { font-size: var(--fs-xs); color: var(--color-text-dim); margin-top: var(--sp-2); }

.field-group { display: flex; flex-direction: column; gap: var(--sp-4); }
.field { display: flex; flex-direction: column; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
@media (max-width: 540px) { .field-row { grid-template-columns: 1fr; } }

/* Slider */
.slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--color-surface-3);
  border-radius: var(--radius-pill);
  outline: none;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  background: var(--gradient-ember);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--color-ember-glow);
  border: 2px solid var(--color-bg);
}
.slider::-moz-range-thumb {
  width: 22px; height: 22px;
  background: var(--gradient-ember);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--color-bg);
}

/* Search input */
.search-wrap {
  position: relative;
  flex: 1;
  max-width: 480px;
}
.search-input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4) var(--sp-3) calc(var(--sp-7) - var(--sp-1));
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text);
  font-size: var(--fs-sm);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.search-input:focus {
  outline: none;
  border-color: var(--color-ember);
  box-shadow: 0 0 0 3px var(--color-ember-soft);
}
.search-icon {
  position: absolute;
  left: var(--sp-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-dim);
  pointer-events: none;
}

/* ========== Badges ========== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  line-height: 1;
}
.badge-method-low { background: var(--color-low-slow-bg); color: #E8A865; border: 1px solid rgba(199, 116, 48, 0.3); }
.badge-method-hot { background: var(--color-hot-fast-bg); color: #FF7A6B; border: 1px solid rgba(226, 62, 43, 0.3); }
.badge-heat-direct { background: rgba(242, 179, 60, 0.12); color: var(--color-direct); border: 1px solid rgba(242, 179, 60, 0.3); }
.badge-heat-indirect { background: rgba(107, 138, 254, 0.12); color: var(--color-indirect); border: 1px solid rgba(107, 138, 254, 0.3); }
.badge-wood { background: rgba(139, 90, 43, 0.15); color: #C29070; border: 1px solid rgba(139, 90, 43, 0.3); }
.badge-carb-low { background: rgba(62, 207, 142, 0.12); color: var(--color-carb-low); border: 1px solid rgba(62, 207, 142, 0.3); }
.badge-carb-mid { background: rgba(242, 179, 60, 0.12); color: var(--color-carb-mid); border: 1px solid rgba(242, 179, 60, 0.3); }
.badge-carb-high { background: rgba(229, 72, 77, 0.12); color: var(--color-carb-high); border: 1px solid rgba(229, 72, 77, 0.3); }
.badge-sugar-low { background: rgba(186, 140, 227, 0.12); color: #C49AE8; border: 1px solid rgba(186, 140, 227, 0.3); }
.badge-sugar-mid { background: rgba(232, 156, 196, 0.12); color: #E89CC4; border: 1px solid rgba(232, 156, 196, 0.3); }
.badge-sugar-high { background: rgba(229, 72, 77, 0.12); color: var(--color-carb-high); border: 1px solid rgba(229, 72, 77, 0.3); }
.badge-category { background: var(--color-surface-3); color: var(--color-text-muted); border: 1px solid var(--color-border); }

/* ========== Recipe Card ========== */
.recipe-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: left;
  cursor: pointer;
  transition: transform var(--dur-med) var(--ease-out),
              box-shadow var(--dur-med) var(--ease-out),
              border-color var(--dur-med) var(--ease-out),
              background var(--dur-med) var(--ease-out);
  width: 100%;
  box-shadow: var(--shadow-sm);
}
.recipe-card:hover {
  transform: translateY(-3px);
  background: var(--gradient-card-hover);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 107, 43, 0.15), 0 0 40px rgba(255, 107, 43, 0.1);
}

.recipe-card-hero {
  position: relative;
  height: 140px;
  background:
    var(--gradient-smoke),
    radial-gradient(circle at 30% 40%, rgba(255, 107, 43, 0.12) 0%, transparent 60%),
    linear-gradient(180deg, var(--color-surface-2) 0%, var(--color-surface-1) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.recipe-card-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  filter: url(#noise);
  opacity: 0.4;
  pointer-events: none;
}
.recipe-card-emoji {
  font-size: 72px;
  line-height: 1;
  filter: drop-shadow(0 6px 16px rgba(0,0,0,0.6));
  position: relative;
  z-index: 1;
  transition: transform var(--dur-med) var(--ease-spring);
}
.recipe-card:hover .recipe-card-emoji { transform: scale(1.08) rotate(-2deg); }

.recipe-card-badges {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  z-index: 2;
}
.recipe-card-fav {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
  z-index: 2;
  background: rgba(11, 11, 15, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: color var(--dur-fast), transform var(--dur-fast);
}
.recipe-card-fav.active { color: #FFCC33; }
.recipe-card-fav:hover { transform: scale(1.1); }

.recipe-card-body {
  padding: var(--sp-4) var(--sp-5) var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  flex: 1;
}
.recipe-card-category {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-dim);
}
.recipe-card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.recipe-card-meta {
  display: flex;
  gap: var(--sp-4);
  font-size: var(--fs-xs);
  color: var(--color-text-dim);
  margin-top: auto;
  padding-top: var(--sp-2);
  border-top: 1px solid var(--color-border);
}
.recipe-card-meta-item {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.recipe-card-carbs {
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.recipe-card-carbs-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}
.recipe-card-carbs-label {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--color-text-dim);
  letter-spacing: 0.08em;
  font-weight: 600;
}
.recipe-card-carbs.carb-low .recipe-card-carbs-value { color: var(--color-carb-low); }
.recipe-card-carbs.carb-mid .recipe-card-carbs-value { color: var(--color-carb-mid); }
.recipe-card-carbs.carb-high .recipe-card-carbs-value { color: var(--color-carb-high); }

.recipe-card-tags { display: flex; gap: var(--sp-2); flex-wrap: wrap; }

.recipe-card-rating {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: var(--fs-xs);
}

/* ========== Star Rating ========== */
.star-rating {
  display: inline-flex;
  gap: 2px;
  align-items: center;
}
.star-rating.interactive button {
  font-size: 20px;
  color: var(--color-surface-3);
  transition: color var(--dur-fast), transform var(--dur-fast);
  line-height: 1;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.star-rating.interactive button:hover { transform: scale(1.15); }
.star-rating.interactive .star-filled { color: #FFCC33; }
.star-rating.interactive .star-empty { color: var(--color-surface-3); }
.star-rating-lg button, .star-rating-lg span { font-size: 28px; }

/* ========== Modal ========== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 10, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--sp-4);
  animation: fade-in var(--dur-med) var(--ease-out);
}
.modal {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: fade-in-scale var(--dur-med) var(--ease-spring);
}
.modal-title {
  font-size: var(--fs-h2);
  margin-bottom: var(--sp-3);
}
.modal-body { color: var(--color-text-muted); margin-bottom: var(--sp-6); }
.modal-actions { display: flex; gap: var(--sp-3); justify-content: flex-end; }

/* ========== Toast ========== */
.toast-root {
  position: fixed;
  top: calc(var(--header-h) + var(--sp-4));
  right: var(--sp-4);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  pointer-events: none;
}
.toast {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-ember);
  border-radius: var(--radius-md);
  padding: var(--sp-3) var(--sp-5);
  color: var(--color-text);
  font-size: var(--fs-sm);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  max-width: 360px;
  animation: fade-in var(--dur-med) var(--ease-out);
}
.toast-success { border-left-color: var(--color-success); }
.toast-error { border-left-color: var(--color-danger); }
.toast-info { border-left-color: var(--color-info); }

/* ========== Filter Drawer ========== */
.filter-drawer {
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}
.filter-section { display: flex; flex-direction: column; gap: var(--sp-3); }
.filter-section-title {
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
}
.chip-group { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.chip {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}
.chip:hover { background: var(--color-surface-3); color: var(--color-text); }
.chip.active {
  background: var(--gradient-ember);
  color: white;
  border-color: transparent;
  box-shadow: 0 2px 10px var(--color-ember-glow);
}
.slider-value {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-ember);
}

/* ========== Card generic ========== */
.card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
}
.card-title {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-bottom: var(--sp-3);
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

/* ========== Empty state ========== */
.empty-state {
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
  color: var(--color-text-muted);
}
.empty-state-icon { font-size: 64px; margin-bottom: var(--sp-4); opacity: 0.6; }
.empty-state-title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  color: var(--color-text);
  margin-bottom: var(--sp-2);
}