/* * sim.css — Shared stylesheet for astro.dev.id simulations * Dark / light theme via [data-theme] on * Math font: KaTeX_Math (Computer Modern / LaTeX-style), loaded via KaTeX CSS below. */ @import url('https://cdn.jsdelivr.net/gh/sugina-dev/latin-modern-web@1.0.1/style/latinmodern-sans.css'); /* ═══════════════════════════════════════════════════════════ CSS Custom Properties — Dark (default) & Light overrides Token groups (panel / chrome only — main canvases stay always-dark; see SimCanvas.palette in sim.js): Neutrals — --sim-bg*, --sim-border*, --sim-text* Accents — --sim-cyan/gold/green/red (meaning colors) Chrome — --sim-titlebar-*, --sim-slider-*, --sim-btn-* Type — --sim-font-* ═══════════════════════════════════════════════════════════ */ :root { /* Neutrals (dark) */ --sim-bg: #07071a; --sim-bg-panel: #0b0c20; --sim-bg-ctrl: #0f1028; --sim-border: #1c2048; --sim-border2: #252858; --sim-text: #b0c0e8; /* Was #485070 — only ~2.4:1 on the panel, below WCAG AA, so hints / helper text / button sublabels were barely legible in dark mode. #808eba is ~5.5:1: clearly dimmer than --sim-text but actually readable. */ --sim-text-dim: #808eba; --sim-text-bright: #d8e4ff; --sim-canvas-bg: #07071a; /* Semantic accents (meaning colors — not “primary”) */ --sim-accent: #3a68ff; --sim-accent-glow: rgba(58, 104, 255, 0.35); --sim-cyan: #00e5ff; --sim-gold: #ffc030; --sim-green: #00e896; --sim-red: #ff6060; --sim-lens-dot: #ffffff; --sim-source-dot: #ff8000; /* Chrome */ --sim-titlebar-bg: linear-gradient(180deg, #141540 0%, #0a0b22 100%); --sim-slider-track: #252858; --sim-slider-thumb: #3a68ff; --sim-btn-bg: #0f1028; --sim-btn-hover: #1a2358; /* Fields (text / number / select) */ --sim-input-bg: #0f1028; --sim-input-border: #252858; --sim-input-text: #d8e4ff; --sim-input-focus: #3a68ff; /* Typography */ --sim-font-ui: 'Latin Modern Sans', Verdana, Arial, sans-serif; --sim-font-math: 'KaTeX_Math', 'Latin Modern Math', 'STIX Two Math', Georgia, serif; --sim-font-mono: 'Courier New', monospace; } [data-theme="light"] { --sim-bg: #f4f6ff; --sim-bg-panel: #eceeff; --sim-bg-ctrl: #e5e8f8; --sim-border: #c0c8e8; --sim-border2: #a8b4d8; --sim-accent: #2050dd; --sim-accent-glow: rgba(32, 80, 221, 0.20); --sim-text: #18203c; --sim-text-dim: #7080a0; --sim-text-bright: #080d20; --sim-cyan: #006aaa; --sim-gold: #a06000; --sim-green: #006644; --sim-red: #cc2020; --sim-canvas-bg: #f8f9ff; --sim-lens-dot: #ff8000; --sim-source-dot: #ff4400; --sim-titlebar-bg: linear-gradient(180deg, #dde3ff 0%, #e8ecff 100%); --sim-slider-track: #c0c8e8; --sim-slider-thumb: #2050dd; --sim-btn-bg: #e5e8f8; --sim-btn-hover: #d0d8f0; --sim-input-bg: #ffffff; --sim-input-border: #a8b4d8; --sim-input-text: #18203c; --sim-input-focus: #2050dd; } /* ═══════════════════════════════════════════════════════════ Base reset ═══════════════════════════════════════════════════════════ */ *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html, body { width: 100%; min-height: 100%; background: #04040e; color: var(--sim-text); font-family: var(--sim-font-ui); font-size: 12px; overflow: auto; } [data-theme="light"] body { background: #e8eaf8; } /* ═══════════════════════════════════════════════════════════ App shell ═══════════════════════════════════════════════════════════ */ .sim-app { display: flex; flex-direction: column; background: var(--sim-bg); border: 1px solid var(--sim-border2); box-shadow: 0 0 40px rgba(10, 20, 80, 0.6); overflow: hidden; margin: 0 auto; position: relative; /* anchor for .sim-modal-overlay */ } /* ─── Title bar ─── */ .sim-titlebar { flex-shrink: 0; padding: 7px 14px; background: var(--sim-titlebar-bg); border-bottom: 1px solid var(--sim-border2); display: flex; align-items: center; gap: 10px; } .sim-title { font-size: 14px; font-weight: bold; color: var(--sim-text-bright); letter-spacing: 0.2px; flex: 1; } .sim-subtitle { font-size: 11px; color: var(--sim-text-dim); } /* Theme toggle, and the titlebar action buttons that share its look. Keep them separate classes: SimTheme relabels the toggle's text, so an action button must not answer to the toggle's selector. */ .sim-theme-btn, .sim-icon-btn { flex-shrink: 0; background: var(--sim-btn-bg); border: 1px solid var(--sim-border2); color: var(--sim-text); min-width: 30px; width: auto; height: 24px; padding: 0 8px; border-radius: 4px; cursor: pointer; font-size: 11px; font-family: var(--sim-font-ui); display: flex; align-items: center; justify-content: center; transition: background 0.12s, border-color 0.12s; line-height: 1; } .sim-theme-btn:hover, .sim-icon-btn:hover { background: var(--sim-btn-hover); border-color: var(--sim-accent); } /* ─── Body row ─── */ .sim-body { flex: 1; display: flex; overflow: hidden; } /* ─── Canvas area ─── */ .sim-canvas-wrap { flex: 1; display: flex; align-items: center; justify-content: center; background: var(--sim-canvas-bg); position: relative; overflow: hidden; } .sim-canvas-hint { position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); font-size: 10px; color: var(--sim-text-dim); pointer-events: none; white-space: nowrap; } /* ─── Right panel ─── */ .sim-panel { flex-shrink: 0; border-left: 1px solid var(--sim-border2); background: var(--sim-bg-panel); display: flex; flex-direction: column; overflow-y: auto; } /* ─── Sections ─── */ .sim-section { flex-shrink: 0; border-bottom: 1px solid var(--sim-border); padding: 9px 10px 8px; } .sim-section-title { font-size: 10px; font-weight: bold; color: var(--sim-text-dim); text-transform: uppercase; letter-spacing: 1.4px; margin-bottom: 8px; font-family: var(--sim-font-ui); } /* ─── Control rows ─── */ .sim-ctrl-row { display: flex; align-items: center; gap: 6px; margin-bottom: 5px; } .sim-ctrl-label { flex: 0 0 120px; font-size: 11px; color: var(--sim-text); white-space: nowrap; overflow: hidden; /* KaTeX-rendered labels sit inside this span */ } /* When KaTeX renders inside a ctrl-label, size it down */ .sim-ctrl-label .katex { font-size: 1em !important; } .sim-ctrl-label .katex-html { white-space: nowrap; } .sim-ctrl-val { flex: 0 0 46px; text-align: right; font-size: 11px; font-weight: bold; color: var(--sim-cyan); font-family: var(--sim-font-mono); } /* ─── Sliders ─── */ input[type=range].sim-slider { flex: 1; -webkit-appearance: none; height: 3px; background: var(--sim-slider-track); border-radius: 2px; outline: none; cursor: pointer; } input[type=range].sim-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 13px; height: 13px; background: var(--sim-slider-thumb); border-radius: 50%; cursor: pointer; box-shadow: 0 0 5px var(--sim-accent-glow); } input[type=range].sim-slider::-moz-range-thumb { width: 13px; height: 13px; background: var(--sim-slider-thumb); border: none; border-radius: 50%; cursor: pointer; } /* ─── Buttons ─── */ .sim-btn-row { display: flex; gap: 6px; margin-bottom: 8px; } .sim-btn { background: var(--sim-btn-bg); border: 1px solid var(--sim-border2); color: var(--sim-text); padding: 5px 12px; border-radius: 3px; cursor: pointer; font-size: 11px; font-family: var(--sim-font-ui); transition: background 0.12s, border-color 0.12s, color 0.12s; } .sim-btn:hover { background: var(--sim-btn-hover); border-color: var(--sim-accent); color: var(--sim-text-bright); } .sim-btn.active { background: var(--sim-accent); border-color: #6090ff; color: #fff; } [data-theme="light"] .sim-btn.active { color: #fff; } /* Nudge button (◀ ▶) — sits flush against the field it steps */ .sim-step-btn { flex: 0 0 auto; padding: 3px 7px; line-height: 1.3; } /* ─── Checkboxes ─── */ .sim-check-row { display: flex; align-items: center; gap: 7px; margin-bottom: 4px; } .sim-check-row label { font-size: 11px; color: var(--sim-text); cursor: pointer; user-select: none; display: flex; align-items: center; gap: 5px; } input[type=checkbox].sim-check { accent-color: var(--sim-accent); cursor: pointer; width: 13px; height: 13px; } .sim-color-swatch { display: inline-block; width: 18px; height: 2px; border-radius: 1px; vertical-align: middle; } /* ─── Readout chips ─── */ .sim-readout { font-size: 11px; color: var(--sim-text-dim); font-family: var(--sim-font-mono); white-space: nowrap; } .sim-readout b { color: var(--sim-cyan); } /* ─── Info bar ─── */ .sim-infobar { flex-shrink: 0; background: var(--sim-bg); border-top: 1px solid var(--sim-border2); padding: 4px 14px; display: flex; gap: 18px; align-items: center; flex-wrap: wrap; } [data-theme="light"] .sim-infobar { background: var(--sim-bg-ctrl); } .sim-info-item { font-size: 11px; color: var(--sim-text-dim); font-family: var(--sim-font-mono); white-space: nowrap; } .sim-info-item b { color: var(--sim-cyan); } /* KaTeX inside info items */ .sim-info-item .katex { font-size: 0.95em !important; } /* ─── Physics display chip ─── */ .sim-phys-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; padding: 3px 8px; border-radius: 10px; border: 1px solid var(--sim-border2); background: var(--sim-bg-ctrl); color: var(--sim-text); margin-top: 6px; } .sim-phys-chip b { color: var(--sim-gold); } .sim-phys-chip .katex { font-size: 0.95em !important; } /* ─── Preset buttons row ─── */ .sim-preset-row { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 7px; } .sim-preset-btn { background: var(--sim-bg-ctrl); border: 1px solid var(--sim-border); color: var(--sim-text-dim); padding: 2px 7px; border-radius: 10px; cursor: pointer; font-size: 10px; font-family: var(--sim-font-ui); transition: all 0.12s; } .sim-preset-btn:hover { border-color: var(--sim-accent); color: var(--sim-text); } .sim-preset-btn.active { background: var(--sim-accent-glow); border-color: var(--sim-accent); color: var(--sim-text-bright); } /* ─── Divider ─── */ .sim-divider { height: 1px; background: var(--sim-border); margin: 6px 0; } /* ─── Small note text ─── */ .sim-note { font-size: 10px; color: var(--sim-text-dim); line-height: 1.5; margin-top: 4px; } .sim-note--rich { font-size: 11px; line-height: 1.55; } .sim-note--rich b, .sim-note--rich i { color: var(--sim-text); } .sim-note--rich i { font-style: italic; } /* ═══════════════════════════════════════════════════════════ Input vocabulary — fields, selects, radios (SimUI.field / .select / .radioGroup) ═══════════════════════════════════════════════════════════ */ /* Text / number field. Used for coordinate + time entry. */ .sim-input { background: var(--sim-input-bg); border: 1px solid var(--sim-input-border); color: var(--sim-input-text); font-family: var(--sim-font-mono); font-size: 11px; padding: 3px 5px; border-radius: 3px; outline: none; min-width: 0; transition: border-color 0.12s; } .sim-input:focus { border-color: var(--sim-input-focus); } .sim-input:invalid, .sim-input.sim-invalid { border-color: var(--sim-red); } /* Strip spinners — sims use sliders for coarse control, fields for exact entry */ .sim-input[type=number] { -moz-appearance: textfield; appearance: textfield; } .sim-input[type=number]::-webkit-outer-spin-button, .sim-input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; } /* Unit suffix that trails a field (°, h, mas, pc …) */ .sim-unit { font-size: 10px; color: var(--sim-text-dim); font-family: var(--sim-font-mono); white-space: nowrap; flex-shrink: 0; } .sim-select { background: var(--sim-input-bg); border: 1px solid var(--sim-input-border); color: var(--sim-input-text); font-family: var(--sim-font-ui); font-size: 11px; padding: 3px 5px; border-radius: 3px; outline: none; cursor: pointer; transition: border-color 0.12s; } .sim-select:focus, .sim-select:hover { border-color: var(--sim-input-focus); } /* Radio group — inline by default, stacked with .sim-radio-row--stack */ .sim-radio-row { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 10px; margin-bottom: 5px; } .sim-radio-row--stack { flex-direction: column; align-items: flex-start; gap: 3px; } .sim-radio-row label { display: flex; align-items: center; gap: 4px; font-size: 11px; color: var(--sim-text); cursor: pointer; user-select: none; } input[type=radio].sim-radio { accent-color: var(--sim-accent); cursor: pointer; width: 12px; height: 12px; } /* ═══════════════════════════════════════════════════════════ Composite controls ═══════════════════════════════════════════════════════════ */ /* Coordinate row: label + slider + exact-entry field + unit. The astronomy workhorse (RA, Dec, lat, lon, az, alt, HA). */ .sim-coord-row { display: flex; align-items: center; gap: 5px; margin-bottom: 5px; } .sim-coord-row .sim-ctrl-label { flex: 0 0 74px; } .sim-coord-row .sim-slider { flex: 1; min-width: 40px; } .sim-coord-row .sim-input { flex: 0 0 56px; text-align: right; } .sim-coord-row .sim-unit { flex: 0 0 auto; min-width: 16px; } /* Readout grid — label/value pairs (orbital elements, derived quantities) */ .sim-readout-grid { display: grid; grid-template-columns: auto 1fr; gap: 2px 8px; align-items: baseline; font-size: 11px; } .sim-readout-lbl { color: var(--sim-text-dim); white-space: nowrap; } .sim-readout-val { color: var(--sim-cyan); font-family: var(--sim-font-mono); font-weight: bold; text-align: right; white-space: nowrap; } .sim-readout-grid .katex { font-size: 0.95em !important; } /* Legend — colour key for canvas features */ .sim-legend { display: flex; flex-wrap: wrap; gap: 3px 12px; font-size: 10px; color: var(--sim-text-dim); } .sim-legend-item { display: flex; align-items: center; gap: 5px; white-space: nowrap; } .sim-legend-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; } .sim-legend-line { width: 14px; height: 2px; border-radius: 1px; flex-shrink: 0; } /* Formula block — a boxed KaTeX display with live values underneath */ .sim-formula { background: var(--sim-bg-ctrl); border: 1px solid var(--sim-border); border-radius: 4px; padding: 7px 8px; text-align: center; margin-bottom: 6px; } .sim-formula .katex { font-size: 1em !important; color: var(--sim-text-bright); } .sim-formula-values { margin-top: 5px; font-size: 10px; font-family: var(--sim-font-mono); color: var(--sim-text-dim); } .sim-formula-values b { color: var(--sim-gold); } /* Caption under a canvas pane */ .sim-caption { font-size: 10px; color: var(--sim-text-dim); text-align: center; padding: 3px 6px; line-height: 1.4; } /* ═══════════════════════════════════════════════════════════ Playback bar (SimUI.playback) — play/pause, step, reset, speed ═══════════════════════════════════════════════════════════ */ .sim-playback { margin-bottom: 6px; } .sim-playback .sim-btn-row { margin-bottom: 5px; } .sim-playback-btn { min-width: 62px; } .sim-playback-step { min-width: 30px; padding-left: 8px; padding-right: 8px; } /* ═══════════════════════════════════════════════════════════ Titlebar actions (help / info / reset buttons beside the title) ═══════════════════════════════════════════════════════════ */ .sim-titlebar-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; } /* ═══════════════════════════════════════════════════════════ Tabs (SimUI.tabs) ═══════════════════════════════════════════════════════════ */ .sim-tab-bar { display: flex; gap: 2px; border-bottom: 1px solid var(--sim-border2); } .sim-tab { background: transparent; border: none; border-bottom: 2px solid transparent; color: var(--sim-text-dim); padding: 6px 11px; cursor: pointer; font-size: 11px; font-family: var(--sim-font-ui); transition: color 0.12s, border-color 0.12s; } .sim-tab:hover { color: var(--sim-text); } .sim-tab.active { color: var(--sim-text-bright); border-bottom-color: var(--sim-accent); } .sim-tab-panel { display: none; } .sim-tab-panel.active { display: block; } /* ═══════════════════════════════════════════════════════════ Modal (SimUI.modal) — help text, colour pickers, tables ═══════════════════════════════════════════════════════════ */ .sim-modal-overlay { position: absolute; inset: 0; background: rgba(4, 6, 20, 0.72); display: none; align-items: center; justify-content: center; z-index: 40; } .sim-modal-overlay.open { display: flex; } [data-theme="light"] .sim-modal-overlay { background: rgba(30, 40, 80, 0.35); } .sim-modal { background: var(--sim-bg-panel); border: 1px solid var(--sim-border2); border-radius: 6px; box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5); max-width: 82%; max-height: 82%; display: flex; flex-direction: column; overflow: hidden; } .sim-modal-head { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-bottom: 1px solid var(--sim-border); background: var(--sim-bg-ctrl); } .sim-modal-title { flex: 1; font-size: 12px; font-weight: bold; color: var(--sim-text-bright); } .sim-modal-close { background: transparent; border: none; color: var(--sim-text-dim); font-size: 16px; line-height: 1; cursor: pointer; padding: 2px 5px; border-radius: 3px; } .sim-modal-close:hover { color: var(--sim-text-bright); background: var(--sim-btn-hover); } .sim-modal-body { padding: 11px 12px; overflow-y: auto; font-size: 11px; line-height: 1.6; color: var(--sim-text); } .sim-modal-body p, .sim-modal-body ul { margin: 0 0 11px; } .sim-modal-body ul { padding-left: 20px; } .sim-modal-body li { margin-bottom: 7px; } .sim-modal-body > :last-child { margin-bottom: 0; }