/* HomeUpKitchen Recipe Calculator - style.css */
#huk-recipe-calc *, #huk-recipe-calc *::before, #huk-recipe-calc *::after { box-sizing: border-box; margin: 0; padding: 0; }

#huk-recipe-calc {
  --huk-primary: #E8640A; --huk-primary-dark: #c4520a; --huk-primary-light: #fff4ee;
  --huk-accent: #2C7A4B; --huk-bg: #ffffff; --huk-bg-soft: #fafafa;
  --huk-border: #e5e7eb; --huk-text: #1f2937; --huk-text-muted: #6b7280;
  --huk-radius: 12px; --huk-radius-sm: 8px; --huk-shadow: 0 4px 24px rgba(0,0,0,0.08);
  --huk-transition: 0.2s ease;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.huk-rc-wrapper { max-width: 720px; margin: 0 auto 40px; background: var(--huk-bg); border-radius: var(--huk-radius); box-shadow: var(--huk-shadow); border: 1px solid var(--huk-border); overflow: hidden; }

/* Header */
.huk-rc-header { display: flex; align-items: center; gap: 16px; padding: 24px 28px 20px; background: linear-gradient(135deg, #E8640A 0%, #c4520a 100%); color: #fff; }
.huk-rc-header-icon { font-size: 36px; line-height: 1; }
.huk-rc-title { font-size: 1.5rem; font-weight: 700; color: #fff; margin: 0 0 2px; }
.huk-rc-subtitle { font-size: 0.9rem; color: rgba(255,255,255,0.85); }

/* Tabs */
.huk-rc-tabs { display: flex; border-bottom: 2px solid var(--huk-border); background: var(--huk-bg-soft); }
.huk-rc-tab { flex: 1; padding: 14px 8px; font-size: 0.92rem; font-weight: 600; background: none; border: none; border-bottom: 3px solid transparent; color: var(--huk-text-muted); cursor: pointer; transition: var(--huk-transition); margin-bottom: -2px; }
.huk-rc-tab:hover { color: var(--huk-primary); background: var(--huk-primary-light); }
.huk-rc-tab.active { color: var(--huk-primary); border-bottom-color: var(--huk-primary); background: #fff; }

/* Body */
.huk-rc-body { padding: 24px 28px; }

/* Quick buttons */
.huk-rc-quick-btns { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; padding: 14px 16px; background: var(--huk-primary-light); border-radius: var(--huk-radius-sm); border: 1px solid #fddcc4; }
.huk-rc-quick-label { font-size: 0.82rem; font-weight: 600; color: var(--huk-primary-dark); margin-right: 4px; }
.huk-rc-quick { padding: 6px 14px; font-size: 0.85rem; font-weight: 700; background: #fff; border: 1.5px solid #fbbf89; border-radius: 20px; color: var(--huk-primary-dark); cursor: pointer; transition: var(--huk-transition); }
.huk-rc-quick:hover, .huk-rc-quick.active { background: var(--huk-primary); border-color: var(--huk-primary); color: #fff; }

/* Tab panels */
.huk-rc-tab-panel { display: none; }
.huk-rc-tab-panel.active { display: block; }

/* Row layout */
.huk-rc-row { display: flex; align-items: flex-end; gap: 16px; margin-bottom: 20px; }
.huk-rc-row-center { align-items: center; flex-wrap: wrap; }
.huk-rc-arrow { font-size: 1.4rem; color: var(--huk-primary); padding-bottom: 8px; flex-shrink: 0; }

/* Fields */
.huk-rc-field { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.huk-rc-full { margin-bottom: 18px; }
.huk-rc-field label { font-size: 0.88rem; font-weight: 600; color: var(--huk-text); }
.huk-rc-optional { font-weight: 400; color: var(--huk-text-muted); font-size: 0.82rem; }
.huk-rc-tooltip { cursor: help; color: var(--huk-primary); font-size: 0.85rem; margin-left: 4px; }
.huk-rc-field input[type="number"], .huk-rc-field input[type="text"], .huk-rc-field textarea { padding: 10px 14px; border: 1.5px solid var(--huk-border); border-radius: var(--huk-radius-sm); font-size: 1rem; color: var(--huk-text); background: var(--huk-bg); transition: border-color var(--huk-transition), box-shadow var(--huk-transition); outline: none; width: 100%; font-family: inherit; }
.huk-rc-field input:focus, .huk-rc-field textarea:focus { border-color: var(--huk-primary); box-shadow: 0 0 0 3px rgba(232,100,10,0.12); }
.huk-rc-field textarea { resize: vertical; min-height: 140px; line-height: 1.6; }
.huk-rc-textarea-actions { display: flex; gap: 16px; margin-top: 6px; }
.huk-rc-link-btn { background: none; border: none; color: var(--huk-primary); font-size: 0.83rem; font-weight: 600; cursor: pointer; padding: 0; text-decoration: underline; }
.huk-rc-link-btn:hover { color: var(--huk-primary-dark); }

/* Multiply/Divide buttons */
.huk-rc-mult-btns { display: flex; gap: 8px; flex-shrink: 0; }
.huk-rc-mode-btn { padding: 10px 18px; border-radius: var(--huk-radius-sm); border: 1.5px solid var(--huk-border); background: #fff; color: var(--huk-text-muted); font-size: 0.88rem; font-weight: 600; cursor: pointer; transition: var(--huk-transition); }
.huk-rc-mode-btn.active, .huk-rc-mode-btn:hover { background: var(--huk-primary); border-color: var(--huk-primary); color: #fff; }

/* Checkboxes */
.huk-rc-options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.huk-rc-checkbox { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 0.88rem; color: var(--huk-text); user-select: none; }
.huk-rc-checkbox input { display: none; }
.huk-rc-checkmark { width: 18px; height: 18px; border: 2px solid var(--huk-border); border-radius: 4px; flex-shrink: 0; background: #fff; transition: var(--huk-transition); position: relative; }
.huk-rc-checkbox input:checked + .huk-rc-checkmark { background: var(--huk-primary); border-color: var(--huk-primary); }
.huk-rc-checkbox input:checked + .huk-rc-checkmark::after { content: '✓'; position: absolute; top: -2px; left: 2px; color: #fff; font-size: 13px; font-weight: 700; }

/* Convert Button */
.huk-rc-convert-btn { width: 100%; padding: 15px; background: linear-gradient(135deg, #E8640A, #c4520a); color: #fff; border: none; border-radius: var(--huk-radius-sm); font-size: 1.05rem; font-weight: 700; cursor: pointer; transition: var(--huk-transition); letter-spacing: 0.3px; box-shadow: 0 4px 14px rgba(232,100,10,0.35); }
.huk-rc-convert-btn:hover { background: linear-gradient(135deg, #c4520a, #a34208); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(232,100,10,0.45); }

/* Error */
.huk-rc-error { margin: 0 28px 16px; padding: 12px 16px; background: #fef2f2; border: 1px solid #fecaca; border-radius: var(--huk-radius-sm); color: #dc2626; font-size: 0.9rem; font-weight: 500; }

/* Result */
.huk-rc-result { margin: 0 28px 24px; border: 2px solid #d1fae5; border-radius: var(--huk-radius); overflow: hidden; }
.huk-rc-result-header { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; background: #d1fae5; }
.huk-rc-result-title { font-size: 1rem; font-weight: 700; color: #065f46; }
.huk-rc-result-badge { background: var(--huk-accent); color: #fff; font-size: 0.78rem; font-weight: 700; padding: 4px 10px; border-radius: 20px; }
.huk-rc-result-panels { display: flex; }
.huk-rc-result-panel { flex: 1; padding: 20px; }
.huk-rc-result-panel:first-child { border-right: 1px solid var(--huk-border); }
.huk-rc-result-panel-title { font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--huk-text-muted); margin-bottom: 12px; }
.huk-rc-result-panel ul { list-style: none; }
.huk-rc-result-panel li { padding: 7px 0; border-bottom: 1px solid var(--huk-border); font-size: 0.93rem; color: var(--huk-text); display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.huk-rc-result-panel li:last-child { border-bottom: none; }
.huk-rc-ingredient-name { color: var(--huk-text-muted); font-size: 0.88rem; }
.huk-rc-ingredient-qty { font-weight: 700; color: var(--huk-primary-dark); white-space: nowrap; }
.huk-rc-result-actions { display: flex; gap: 10px; padding: 14px 20px; background: var(--huk-bg-soft); border-top: 1px solid var(--huk-border); flex-wrap: wrap; }
.huk-rc-action-btn { padding: 9px 18px; border-radius: var(--huk-radius-sm); border: 1.5px solid var(--huk-primary); background: var(--huk-primary); color: #fff; font-size: 0.88rem; font-weight: 600; cursor: pointer; transition: var(--huk-transition); }
.huk-rc-action-btn:hover { background: var(--huk-primary-dark); border-color: var(--huk-primary-dark); }
.huk-rc-action-secondary { background: #fff; color: var(--huk-text-muted); border-color: var(--huk-border); }
.huk-rc-action-secondary:hover { background: var(--huk-bg-soft); color: var(--huk-text); }
.huk-rc-success-msg { padding: 10px 20px; color: var(--huk-accent); font-weight: 600; font-size: 0.9rem; }

/* Reference Table */
.huk-rc-reference { border-top: 1px solid var(--huk-border); }
.huk-rc-ref-toggle { width: 100%; padding: 16px 28px; background: var(--huk-bg-soft); border: none; text-align: left; font-size: 0.9rem; font-weight: 600; color: var(--huk-text); cursor: pointer; transition: background var(--huk-transition); display: flex; justify-content: space-between; align-items: center; }
.huk-rc-ref-toggle:hover { background: var(--huk-primary-light); color: var(--huk-primary-dark); }
.huk-rc-ref-body { padding: 0 28px 20px; }
.huk-rc-ref-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.huk-rc-ref-table th { text-align: left; padding: 8px 12px; background: var(--huk-primary-light); color: var(--huk-primary-dark); font-weight: 700; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.4px; }
.huk-rc-ref-table td { padding: 8px 12px; border-bottom: 1px solid var(--huk-border); color: var(--huk-text); }
.huk-rc-ref-table tr:last-child td { border-bottom: none; }
.huk-rc-ref-table tr:hover td { background: var(--huk-bg-soft); }

/* Print */
@media print { .huk-rc-body, .huk-rc-tabs, .huk-rc-reference, .huk-rc-result-actions, .huk-rc-header { display: none !important; } .huk-rc-result { margin: 0; border: none; display: block !important; } .huk-rc-result-header { background: none; border-bottom: 2px solid #000; } .huk-rc-result-title { color: #000; font-size: 1.2rem; } .huk-rc-result-badge { display: none; } }

/* Mobile */
@media (max-width: 600px) { .huk-rc-body { padding: 18px 16px; } .huk-rc-header { padding: 18px 16px; } .huk-rc-header-icon { font-size: 28px; } .huk-rc-title { font-size: 1.2rem; } .huk-rc-row { flex-direction: column; } .huk-rc-arrow { display: none; } .huk-rc-result { margin: 0 16px 20px; } .huk-rc-result-panels { flex-direction: column; } .huk-rc-result-panel:first-child { border-right: none; border-bottom: 1px solid var(--huk-border); } .huk-rc-result-actions { padding: 12px 16px; } .huk-rc-action-btn { flex: 1; text-align: center; } .huk-rc-quick-btns { padding: 10px 12px; } .huk-rc-ref-body { padding: 0 16px 16px; } .huk-rc-ref-toggle { padding: 14px 16px; } .huk-rc-mult-btns { width: 100%; } .huk-rc-mode-btn { flex: 1; text-align: center; } }