:root, [data-theme="light"] { --bg: #e8edf3; --card-bg-rgb: 255, 255, 255; --border: rgba(255, 255, 255, 0.4); --text: #1a1a1a; --text-secondary: #555; --accent: #2563eb; /* Foreground text color to use on top of --accent background. White on #2563eb in light mode = ~5.2:1 (passes WCAG AA). Set explicitly so dark-mode override is a single-property change. */ --accent-on: #ffffff; --band: rgba(37, 99, 235, 0.18); --pareto: #e11d48; --observation: #475569; --point: #475569; --glass-bg: rgba(var(--card-bg-rgb), 0.7); --glass-blur: 4px; --canvas-axis: #1e293b; --canvas-text: #1e293b; } [data-theme="dark"] { --bg: #1a1a2e; --card-bg-rgb: 42, 42, 62; --border: rgba(255, 255, 255, 0.12); --text: #e2e2e2; --text-secondary: #aaa; --accent: #60a5fa; /* White on #60a5fa is only 2.54:1 (fails WCAG AA). Use dark text for ~8.2:1. */ --accent-on: #0f0f1a; --band: rgba(96, 165, 250, 0.2); --pareto: #fb7185; --observation: #94a3b8; --point: #94a3b8; --glass-bg: rgba(var(--card-bg-rgb), 0.7); --glass-blur: 6px; --canvas-axis: #e2e8f0; --canvas-text: #e2e8f0; } * { box-sizing: border-box; margin: 0; padding: 0; } /* Global theme transition — ensures all color changes are smooth */ body, .panel, .site-header, .theme-toggle, .unit-toggle, .toggle-btn, .controls, .readouts, .filter-row select, .filter-row input, .filter-row button, #filter-clear { transition: background-color 0.5s ease, color 0.5s ease, border-color 0.5s ease, backdrop-filter 0.5s ease; } html { background-color: var(--bg); min-height: 100%; /* Prevent horizontal pan on mobile — panels with negative side margins or wide intrinsic content (canvases, sticky header) would otherwise let the viewport scroll left/right, exposing the header endpoints. Use `clip` instead of `hidden` so we don't establish a new scroll container — that would break `position: sticky` on the header in iOS Safari (a long-standing WebKit quirk). */ overflow-x: clip; overscroll-behavior-x: none; transition: background-color 0.5s ease; } [data-theme="dark"] { background-color: #0f0f1a; } /* Fixed background layer — doesn't resize with content */ .bg-layer { position: fixed; inset: 0; z-index: -1; background-image: url('Q1000572_opt.jpg'); background-size: cover; background-position: center; background-repeat: no-repeat; transition: opacity 0.5s ease; } [data-theme="dark"] .bg-layer { background-image: url('concrete_poster.jpg'); } body { font-family: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-weight: 400; background: transparent; color: var(--text); line-height: 1.5; padding: 0 1rem 1rem; min-height: 100vh; position: relative; /* Same horizontal lock as — belt-and-braces for iOS Safari which sometimes ignores html overflow when the body is the scroll container. Use `clip` (not `hidden`) so the body doesn't become a scroll container that would break the sticky header. */ overflow-x: clip; overscroll-behavior-x: none; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } /* Frosted glass header */ .site-header { display: flex; align-items: center; gap: 1.2rem; padding: 0.6rem 1.5rem; margin: 0 -1rem 1rem; background: var(--glass-bg); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur)); box-shadow: 0 1px 0 0 var(--border); position: sticky; top: 0; z-index: 50; } .site-header h1 { font-size: 1.3rem; margin: 0; font-family: "DM Sans", "Inter", sans-serif; font-weight: 700; letter-spacing: -0.02em; background: linear-gradient(90deg, #3b82f6, #60a5fa, #a78bfa, #60a5fa, #3b82f6); background-size: 200% 100%; -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; animation: gradientShift 30s linear infinite; } @keyframes gradientShift { 0% { background-position: 200% center; } 100% { background-position: 0% center; } } .header-tagline { font-size: 0.82rem; color: var(--text-secondary); letter-spacing: -0.01em; } .header-links { position: absolute; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 2rem; font-size: 0.88rem; } .header-links a { color: var(--text-secondary); text-decoration: none; font-weight: 500; letter-spacing: 0.01em; transition: color 0.15s; } .header-links a:hover { color: var(--accent); } .cite-btn { font-size: 0.72rem; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--border); background: transparent; color: var(--text-secondary); cursor: pointer; font-weight: 600; min-width: 3.5rem; text-align: center; transition: background 0.05s, color 0.05s, border-color 0.05s; } .cite-btn:hover { border-color: var(--accent); color: var(--accent); } /* * Note: backdrop-filter on nested elements inside already-blurred containers * (header, panels) produces no visible effect — browsers don't compose nested * backdrop-filters. The cite buttons use a simple semi-transparent background * instead. */ .cite-group { display: inline-flex; align-items: center; gap: 0.15rem; padding: 0; border-radius: 999px; border: 1px solid var(--border); background: rgba(var(--card-bg-rgb), 0.5); } .header-actions { margin-left: auto; display: flex; align-items: center; gap: 0.8rem; } .cite-group .cite-btn { border: none; padding: 5px 10px; background: rgba(var(--card-bg-rgb), 0.6); min-width: 4.2rem; border-radius: 999px; line-height: 1; color: var(--text-secondary); } .cite-group .cite-btn:hover { background: var(--accent); color: var(--accent-on); } .cite-label { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; line-height: 1; color: var(--text-secondary); padding: 5px 10px; min-width: 3.5rem; text-align: center; } /* About modal overlay */ .about-overlay { position: fixed; inset: 0; z-index: 100; background: rgba(0, 0, 0, 0.4); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.25s ease; } .about-overlay.visible { opacity: 1; pointer-events: all; } .about-modal { background: var(--glass-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid var(--border); border-radius: 16px; padding: 2rem 2.2rem; max-width: 560px; max-height: 80vh; overflow-y: auto; position: relative; box-shadow: 0 20px 60px rgba(0,0,0,0.2); transform: scale(0.95); transition: transform 0.25s ease; } .about-overlay.visible .about-modal { transform: scale(1); } .about-close { position: absolute; top: 0.8rem; right: 1rem; background: none; border: none; font-size: 1.5rem; color: var(--text-secondary); cursor: pointer; line-height: 1; } .about-close:hover { color: var(--accent); } .about-modal h2 { font-size: 1.3rem; margin: 0 0 0.8rem; color: var(--text); } .about-modal h3 { font-size: 1rem; margin: 1rem 0 0.4rem; color: var(--text); font-weight: 600; } .about-modal p, .about-modal li { font-size: 0.95rem; line-height: 1.6; color: var(--text-secondary); margin: 0 0 0.5rem; } .about-modal ul { padding-left: 1.2rem; margin: 0 0 0.5rem; } .about-modal a { color: var(--accent); text-decoration: none; } .about-modal a:hover { text-decoration: underline; } /* Mobile about modal */ @media (max-width: 900px) { .about-modal { max-width: calc(100vw - 2rem); margin: 1rem; padding: 1.5rem; max-height: 85vh; } .about-modal h2 { font-size: 1.15rem; } .about-modal h3 { font-size: 0.92rem; } .about-modal p, .about-modal li { font-size: 0.88rem; } } /* Theme toggle */ .theme-toggle { background: rgba(var(--card-bg-rgb), 0.6); border: 1px solid var(--border); border-radius: 999px; width: 28px; height: 28px; padding: 0; cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--text-secondary); transition: border-color 0.15s, color 0.15s; } .theme-toggle svg { width: 14px; height: 14px; display: block; margin: auto; } .theme-toggle:hover { border-color: var(--accent); color: var(--accent); } .unit-toggle { background: rgba(var(--card-bg-rgb), 0.6); border: 1px solid var(--border); border-radius: 999px; padding: 4px 10px; cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--text-secondary); font-size: 0.72rem; font-weight: 600; transition: border-color 0.15s, transform 0.1s, background 0.15s, color 0.15s; } .unit-toggle:hover { border-color: var(--accent); color: var(--accent); } [data-theme="light"] .icon-moon { display: none; } [data-theme="dark"] .icon-sun { display: none; } /* Icon shapes are visually off-center in their viewBox; nudge to compensate */ .icon-moon { transform: translate(0.25px, 0px); } .icon-sun { transform: translate(0px, 0.25px); } /* Panel hint (instruction text) */ .panel-hint { font-size: 0.78rem; color: var(--text-secondary); margin-bottom: 0.75rem; line-height: 1.4; } h2 { font-family: "DM Sans", "Inter", sans-serif; font-size: 1.05rem; margin-bottom: 0.4rem; font-weight: 700; letter-spacing: -0.01em; line-height: 1.15; color: var(--text); } .layout { display: grid; grid-template-columns: 280px 1fr 1fr; align-items: start; gap: 0.75rem; max-width: 1400px; margin: 0 auto; } /* Each column flows independently — panels size to content */ .column-flow { display: flex; flex-direction: column; gap: 0.75rem; } /* * Frosted Glass Panels * * Uses backdrop-filter directly on the panel for the blur effect. * * Known issue: WebKit has a compositing bug where nested scroll containers * or canvas elements inside a backdrop-filter parent can cause a subtle * rendering artifact (visible line) at the border-radius edge. This primarily * affects resized desktop browsers; actual mobile Safari handles it differently. * * Attempted fixes that didn't fully resolve: * - Pseudo-element decoupling (::before with z-index:-1): eliminates artifact * but backdrop-filter can't see through the parent's stacking context = no blur * - WebKit mask hack (-webkit-mask-image: radial-gradient): didn't fix the seam * - transform:translateZ(0) / will-change / isolation:isolate: no effect * * Current approach: accept the artifact (subtle, device-dependent) and keep * the simplest implementation with full blur support. * * Values: 70% opacity (--glass-bg), light=4px / dark=6px blur (--glass-blur) */ .panel { position: relative; background: var(--glass-bg); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur)); border-radius: 12px; padding: 1rem 1.25rem; overflow: hidden; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), inset 0 0 0 1px var(--border); } /* Sliders panel Note: no `max-height` / `overflow-y` here — the panel grows to fit all ingredient rows naturally on desktop. The references panel in column 3 is typically taller, so the composition panel still ends within the page flow. */ .sliders { grid-column: 1; position: relative; } .sliders-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.25rem; } .sliders-header h2 { margin: 0; } .slider-group { margin-bottom: 0.55rem; } .slider-group label { display: flex; /* Vertically align name text with the value-input's text. Without `align-items: center` the default `stretch` makes the name span and the value-input fill the row's full height, but the name text sits at the top of the line box while the value-input's text sits in its own vertical middle — visually offset. Centering the children's content axes pins them to the same baseline. */ align-items: center; justify-content: space-between; font-size: 0.8rem; margin-bottom: 2px; } .slider-group label span { font-weight: 600; } /* Click-to-edit composition value (regular sliders only — not Material Source). Visual treatment mirrors `.toggle-btn`: rectilinear with 4px radius and accent-colored focus border, matching the existing glass-morph language. Width is 6.5ch to accommodate the worst-case formatted value across both unit systems — e.g. water 700 kg/m³ in lb/yd³ = `1180.6` (six chars). */ .slider-value { font: inherit; font-weight: 600; text-align: end; width: 6.5ch; min-width: 6.5ch; padding: 2px 4px; border: 1px solid transparent; border-radius: 4px; background: transparent; color: inherit; cursor: text; transition: background 0.15s, border-color 0.15s; /* Hide native number-input spinners (defensive — input type is `text` here but `inputmode=decimal` may map to spinner controls in some engines). */ appearance: textfield; -moz-appearance: textfield; } .slider-value::-webkit-inner-spin-button, .slider-value::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; } .slider-value:hover { background: rgba(var(--card-bg-rgb), 0.4); } .slider-value:focus { outline: none; border-color: var(--accent); background: rgba(var(--card-bg-rgb), 0.6); } .slider-group input[type=range] { width: 100%; cursor: pointer; accent-color: var(--accent); -webkit-appearance: none; appearance: none; height: 6px; background: var(--border); border-radius: 3px; outline: none; } .slider-group input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--accent); border: 2px solid rgba(255,255,255,0.9); cursor: pointer; box-shadow: 0 1px 3px rgba(0,0,0,0.2); } .slider-group input[type=range]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--accent); border: 2px solid rgba(255,255,255,0.9); cursor: pointer; box-shadow: 0 1px 3px rgba(0,0,0,0.2); } .slider-group input[type=range]:hover { opacity: 0.85; } /* Slider preview marker (shown on scatter hover) — hollow circle like a ghost thumb */ .slider-group { position: relative; /* Half the rendered thumb width, exposed as a CSS variable so the JS marker-positioning math (`showSliderPreview` in ui.mjs) can derive the same value via `getComputedStyle(...).getPropertyValue('--thumb-half')`. Mobile overrides this to 8 px because the thumb is shrunk to 16 px in the @media block below; without that override, the preview marker sat 1 px off-track on mobile. */ --thumb-half: 9px; } /* Clickable ingredient names. Use `text-decoration` instead of `border-bottom` for the dashed underline so the line sits at the font's natural baseline-offset (just under the glyphs) rather than below the descender — saves a few pixels of vertical space per row, especially noticeable on mobile where every ingredient row is stacked. */ .ingredient-name { cursor: pointer; text-decoration: underline dashed var(--text-secondary); text-decoration-thickness: 1px; text-underline-offset: 4px; transition: color 0.15s, text-decoration-color 0.15s; } .ingredient-name:hover { color: var(--accent); text-decoration-color: var(--accent); } .ingredient-name.active { color: var(--accent); text-decoration-style: solid; text-decoration-color: var(--accent); } /* Ingredient insight panel */ .ingredient-insight-panel { padding: 0.75rem 1rem; } .ingredient-insight-body { position: relative; overflow: hidden; transition: height 0.3s ease; } .ingredient-insight-title { font-family: "DM Sans", "Inter", sans-serif; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); margin-bottom: 0.4rem; font-weight: 700; } .ingredient-insight-text { font-size: 0.82rem; line-height: 1.5; color: var(--text); transition: opacity 0.3s ease, transform 0.3s ease; } .ingredient-insight-text strong { color: var(--accent); } .ingredient-insight-text.fade-out { opacity: 0; transform: translateY(6px); } .ingredient-insight-text.fade-in { opacity: 0; transform: translateY(-6px); } .slider-preview-marker { display: none; position: absolute; width: 18px; height: 18px; border: 2px solid var(--text); background: transparent; border-radius: 50%; pointer-events: none; /* Center the circle: offset by half its own size */ transform: translate(-9px, -9px); opacity: 0.8; transition: left 0.15s ease-out; animation: previewPulse 1.5s ease-in-out infinite; } @keyframes previewPulse { 0%, 100% { opacity: 0.8; transform: translate(-9px, -9px) scale(1); } 50% { opacity: 0.55; transform: translate(-9px, -9px) scale(1.15); } } .sliders.previewing { border-color: var(--accent); } .info-row { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--text-secondary); padding: 0 2px; } /* Charts */ .chart-panel { position: relative; } .chart-panel canvas { width: 100%; height: 380px; display: block; } /* Extrapolation warning — absolute positioned top-right */ .extrapolation-warning { position: absolute; top: 1.05rem; right: 1.25rem; font-size: 0.65rem; font-weight: 500; color: #92400e; background: rgba(251, 191, 36, 0.15); border: 1px solid rgba(251, 191, 36, 0.4); border-radius: 999px; padding: 2px 8px; white-space: nowrap; opacity: 0; transition: opacity 0.3s ease; pointer-events: none; } .extrapolation-warning.visible { opacity: 1; } [data-theme="dark"] .extrapolation-warning { color: #fbbf24; background: rgba(251, 191, 36, 0.1); border-color: rgba(251, 191, 36, 0.3); } /* Readouts */ .readouts { display: flex; flex-direction: row; justify-content: space-around; gap: 0.5rem; padding: 0.6rem 0 0; font-size: 0.82rem; } .readouts .value { font-weight: 700; color: var(--accent); } /* Toggle buttons for Material Source */ .toggle-row { display: flex; gap: 4px; margin-top: 4px; } .toggle-btn { flex: 1; padding: 4px 8px; font-size: 0.78rem; border: 1px solid var(--border); border-radius: 8px; background: rgba(var(--card-bg-rgb), 0.6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); cursor: pointer; color: var(--text); transition: background 0.15s, border-color 0.15s, transform 0.1s; } .toggle-btn.active { background: var(--accent); color: var(--accent-on); border-color: var(--accent); } .toggle-btn:hover:not(.active) { border-color: var(--accent); transform: translateY(-1px); } /* Controls */ .controls { display: flex; gap: 1rem; align-items: center; font-size: 0.8rem; margin-top: 0.5rem; } .controls select, .controls button { font-size: 0.8rem; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border); background: rgba(var(--card-bg-rgb), 0.6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); color: var(--text); transition: border-color 0.15s; } .controls select:hover, .controls button:hover { border-color: var(--accent); } /* Tooltip */ .tooltip { position: fixed; background: rgba(30, 41, 59, 0.85); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); color: #fff; padding: 6px 10px; border-radius: 6px; font-size: 0.75rem; pointer-events: none; white-space: nowrap; z-index: 100; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); } .tooltip::after { content: ""; position: absolute; top: 100%; left: 12px; border: 5px solid transparent; border-top-color: rgba(30, 41, 59, 0.85); } /* Filter panel */ .filter-label { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); } .filter-row-wrapper { overflow: hidden; margin-bottom: 0.3rem; } #filter-rows:not(:empty) { margin-top: 0.4rem; } .filter-row-wrapper.collapsed { display: none; } .filter-row { display: flex; align-items: center; gap: 0.3rem; font-size: 0.78rem; padding: 2px 0; max-width: 100%; overflow: hidden; } .filter-row select { flex: 1; min-width: 0; max-width: 120px; font-size: 0.72rem; padding: 2px 4px; border-radius: 8px; border: 1px solid var(--border); background: rgba(var(--card-bg-rgb), 0.5); color: var(--text); } .filter-row input[type=number] { width: 40px; min-width: 0; flex-shrink: 1; padding: 2px 3px; font-size: 0.75rem; border: 1px solid var(--border); border-radius: 8px; background: rgba(var(--card-bg-rgb), 0.5); color: var(--text); transition: border-color 0.15s; /* Hide native number spinner buttons. Chromium shows them by default, which steals ~14 px on the right and clips the "min"/"max" placeholders to "mi"/"ma". Mobile browsers don't render spinners, which is why the bug only manifested on desktop. */ appearance: textfield; -moz-appearance: textfield; } .filter-row input[type=number]::-webkit-inner-spin-button, .filter-row input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; } .filter-row input[type=number]:focus { border-color: var(--accent); outline: none; } .filter-row button { font-size: 0.75rem; padding: 2px 8px; border-radius: 8px; border: 1px solid var(--border); background: rgba(var(--card-bg-rgb), 0.6); color: var(--text); cursor: pointer; transition: transform 0.1s, border-color 0.15s; } .filter-row button:hover { transform: scale(1.1); } .filter-actions { display: flex; gap: 0.4rem; align-items: center; margin-left: auto; margin-right: 4px; } #filter-clear { font-size: 0.75rem; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border); background: rgba(var(--card-bg-rgb), 0.6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); color: var(--text); cursor: pointer; transition: border-color 0.15s; } #filter-clear:hover { border-color: var(--accent); } .filter-add-btn { color: #16a34a; font-weight: 700; font-size: 0.9rem; border-color: #16a34a; width: 22px; height: 22px; min-width: 22px; min-height: 22px; border-radius: 50% !important; padding: 0; display: inline-flex; align-items: center; justify-content: center; line-height: 1; background: rgba(var(--card-bg-rgb), 0.6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: background 0.15s, transform 0.1s; } .filter-add-btn:hover { background: rgba(22, 163, 74, 0.15); transform: scale(1.1); } .filter-remove-btn { color: #dc2626; font-weight: 700; font-size: 1rem; border-color: #dc2626; width: 24px; height: 24px; min-width: 24px; min-height: 24px; border-radius: 50% !important; padding: 0; display: inline-flex; align-items: center; justify-content: center; line-height: 1; margin-left: auto; margin-right: 4px; flex-shrink: 0; transition: background 0.15s, transform 0.1s; } .filter-remove-btn:hover { background: #fee2e2; transform: scale(1.1); } /* References panel */ .references-panel { padding: 0.75rem 1rem; } .references-panel h3 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary); margin-bottom: 0.5rem; } .ref-list { display: flex; flex-direction: column; gap: 0.6rem; } .ref-item { display: flex; align-items: flex-start; gap: 0.5rem; } .ref-content { flex: 1; min-width: 0; } .ref-title { font-size: 0.82rem; font-weight: 600; color: var(--accent); text-decoration: none; line-height: 1.3; } .ref-title:hover { text-decoration: underline; } .ref-authors { font-size: 0.75rem; color: var(--text-secondary); margin: 0.1rem 0; } .ref-desc { font-size: 0.82rem; color: var(--text); line-height: 1.4; margin: 0.2rem 0 0; } .ref-desc a { color: var(--accent); text-decoration: underline; } .ref-content .cite-group { margin-top: 0; } .ref-actions-row { display: flex; align-items: stretch; gap: 0.4rem; margin-top: 0.4rem; } a.ref-link { text-decoration: none; background: rgba(var(--card-bg-rgb), 0.6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border: 1px solid var(--border); border-radius: 999px; padding: 5px 10px; line-height: 1; display: inline-flex; align-items: center; justify-content: center; text-align: center; font-size: 0.72rem; font-weight: 600; color: var(--text-secondary); } /* Mix insight panel (below scatter plot) */ .mix-insight-panel { padding: 0.75rem 1rem; } .mix-insight-body { position: relative; max-height: 150px; overflow-y: auto; transition: height 0.3s ease; } .mix-insight-title { font-family: "DM Sans", "Inter", sans-serif; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); margin-bottom: 0.4rem; font-weight: 700; } .mix-insight-header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.4rem; } .mix-insight-header .mix-insight-title { margin-bottom: 0; } .pareto-pill { margin-left: auto; font-size: 0.6rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; background: var(--pareto); color: #fff; padding: 2px 8px; border-radius: 999px; opacity: 0; transform: scale(0.8); transition: opacity 0.25s ease, transform 0.25s ease; pointer-events: none; white-space: nowrap; } .pareto-pill.visible { opacity: 1; transform: scale(1); } .mix-insight-text { font-size: 0.82rem; line-height: 1.5; color: var(--text); transition: opacity 0.3s ease, transform 0.3s ease; } .mix-insight-text strong { color: var(--accent); } .mix-insight-text strong.pareto-tag { color: var(--pareto); } .mix-insight-placeholder { color: var(--text-secondary); font-style: italic; } .mix-insight-text.fade-out { opacity: 0; transform: translateY(6px); } .mix-insight-text.fade-in { opacity: 0; transform: translateY(-6px); } /* Scatter hint */ .scatter-hint { font-size: 0.75rem; font-style: italic; color: var(--text-secondary); margin-top: 0.4rem; text-align: center; } /* Clickable axis labels */ .axis-toggle { display: inline-block; font-size: 0.8rem; font-weight: 600; color: var(--accent); cursor: pointer; border-bottom: 1.5px dashed var(--accent); padding-bottom: 1px; user-select: none; transition: opacity 0.15s; } .axis-toggle:hover { opacity: 0.7; } /* Page load animation */ @keyframes fadeInUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } } .fade-in-up { animation: fadeInUp 0.5s ease both; animation-delay: var(--delay, 0ms); } /* Mobile panel header — toggle buttons inside scatter panel (hidden on desktop) */ .mobile-panel-header { display: none; gap: 0.4rem; justify-content: center; margin-bottom: 0.5rem; } .mobile-panel-header button { font-family: inherit; font-size: 0.75rem; font-weight: 600; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border); background: transparent; color: var(--text-secondary); cursor: pointer; transition: background 0.15s, color 0.15s, border-color 0.15s; } .mobile-panel-header button.active { background: var(--accent); color: var(--accent-on); border-color: var(--accent); } .mobile-panel-header button:hover:not(.active) { border-color: var(--accent); } .mobile-panel-header .mobile-unit-toggle { display: none; } /* Scatter content wrapper — used for mobile toggle with crossfade */ .scatter-content { transition: opacity 0.15s ease; } .scatter-content.fading { opacity: 0; } /* Mobile-only elements (hidden on desktop) */ .mobile-hint, .mobile-divider, .mobile-sliders-view { display: none; } .mobile-sliders-view { transition: opacity 0.15s ease; } .mobile-sliders-view.fading { opacity: 0; } .mobile-scroll-content { display: contents; } /* Site footer — subtle credit with frosted glass pill */ .site-footer { text-align: center; padding: 1.5rem 0 0.75rem; } .site-footer span { display: inline-flex; align-items: center; justify-content: center; gap: 0.25em; font-size: 0.72rem; color: var(--text-secondary); letter-spacing: 0.02em; padding: 6px 12px; border-radius: 999px; background: var(--glass-bg); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur)); box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06), inset 0 0 0 1px var(--border); line-height: 1; } .site-footer a { color: var(--accent); text-decoration: none; font-weight: 500; transition: opacity 0.15s; } .site-footer a:hover { opacity: 0.7; } /* Responsive — switch to mobile at 1050px to prevent title/warning overlap in panels */ @media (max-width: 1050px) { body { padding: 0 0.5rem 1rem; padding-bottom: env(safe-area-inset-bottom, 1rem); } .site-header { margin: 0 -0.5rem 0.4rem; padding: 0.4rem 0.8rem; justify-content: space-between; gap: 0.5rem; } /* Flatten wrappers so all 5 visible items become direct flex children of .site-header, allowing justify-content: space-between to space them evenly. */ .site-header .header-links, .site-header .header-actions { display: contents; } .site-header h1 { font-size: 1.1rem; } .header-tagline { display: none; } .site-header .cite-group { display: none; } #filter-clear { display: none; } .layout { display: flex; flex-direction: column; gap: 0.4rem; } /* On mobile, column-flow wrappers become simple stacking */ .column-flow { display: contents; } /* Chart panels fill the viewport (each ~half of available space) */ .chart-panel { height: calc((100dvh - 46px - 0.4rem) / 2); min-height: 0; display: flex; flex-direction: column; border-radius: 14px; padding: 0.6rem 0.8rem; } .chart-panel canvas { flex: 1; min-height: 0; height: auto !important; } /* Reorder: strength curve first, unified scatter/sliders panel second */ .chart-panel:has(#curve-canvas) { order: 1; } .chart-panel:has(#scatter-canvas) { order: 2; } .mobile-panel-header { display: flex; align-items: center; } .sliders { display: none !important; } /* hidden on mobile — content moved into unified panel */ /* Below-the-fold panels */ .mix-insight-panel { order: 4; width: 100%; } .ingredient-insight-panel { order: 5; width: 100%; } .references-panel { order: 6; width: 100%; } /* Unified panel mobile elements */ .mobile-hint { display: block; font-size: 0.72rem; font-style: italic; color: var(--text-secondary); margin: 0.2rem 0 0.3rem; line-height: 1.3; } .mobile-divider { display: block; border: none; border-top: 1px solid var(--border); margin: 0 -0.8rem 0.3rem; opacity: 0.6; } .mobile-scroll-content { display: flex; flex-direction: column; flex: 1; min-height: 0; overflow-y: auto; margin: 0 -0.8rem -0.6rem; padding: 0 0.8rem 0.6rem; } .mobile-scroll-content .scatter-content { display: flex; flex-direction: column; flex: 1; min-height: 0; overflow-y: auto; } .mobile-scroll-content .scatter-content canvas { min-height: 180px; flex-shrink: 0; } .mobile-sliders-view { display: block; } .mobile-sliders-view.hidden { display: none; } /* Header area — no sticky needed, naturally above the scroll container */ .chart-panel:has(#scatter-canvas) .mobile-panel-header { margin: -0.6rem -0.8rem 0; padding: 0.6rem 0.8rem 0.3rem; } /* Hide scatter panel h2 on mobile — toggle buttons replace it */ .scatter-content > h2 { display: none; } .scatter-content.hidden { display: none; } /* Hide scatter hint and panel-hint on mobile — unified hint replaces them */ .scatter-hint { display: none; } .panel-hint { display: none; } /* Mobile unit toggle pushed to the right */ .mobile-unit-toggle { margin-left: auto; } .mobile-panel-header .mobile-unit-toggle { display: flex; } .panel { padding: 0.6rem 0.8rem; border-radius: 14px; } /* Readouts as compact row on mobile */ .readouts { flex-direction: row; flex-wrap: wrap; gap: 0.4rem 0.8rem; font-size: 0.78rem; } /* Sliders content inside unified panel. Mobile uses a vertical multi-row layout: row 1: