/* * Aeon Reader — main.css * ====================== * Phase 3: Feed View layout, components, and card styles. * Phase 5: All four themes (Light, Sepia, Dark Gray, AMOLED Black) via CSS custom properties. * * Theme switching is done by setting `data-theme=""` on the element. * All colour values are expressed as custom properties so switching themes requires * only a single attribute change — no class toggling on individual elements. * * Custom properties used throughout: * --bg : page background * --bg-card : article card background * --text : primary text colour * --text-muted : secondary / caption text colour * --accent : brand accent colour (links, progress bar, pills) * --border : divider / border colour * --header-bg : header background (with opacity for blur effect) * --font-scale : font size multiplier (0.85–1.3), set by settings slider * --line-spacing : line-height for body text (1.5 compact / 1.75 comfortable) * --body-font : font-family stack for reading text */ /* ========================================================= CSS Reset / Base ========================================================= */ *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html { /* Default font scale — overridden by settings slider */ --font-scale: 1; /* Default line spacing — overridden by spacing toggle */ --line-spacing: 1.75; /* Default body font */ --body-font: 'Lora', Georgia, serif; /* Smooth theme colour transitions */ transition: background-color 0.25s ease, color 0.25s ease; /* Prevent text size inflation on iOS after orientation change */ -webkit-text-size-adjust: 100%; text-size-adjust: 100%; } body { font-family: var(--body-font); background-color: var(--bg); color: var(--text); min-height: 100dvh; /* Reserve space for bottom navigation bar on iOS */ padding-bottom: env(safe-area-inset-bottom); overflow-x: hidden; } /* Hide elements with the hidden attribute */ [hidden] { display: none !important; } /* ========================================================= Theme Definitions All themes set the same set of custom properties so any component that uses them automatically adapts. ========================================================= */ /* Light theme — clean white background, dark ink */ [data-theme="light"] { --bg: #FFFFFF; --bg-card: #F7F6F2; --text: #1A1A1A; --text-muted: #6B6B6B; --accent: #C0392B; --border: #E5E5E5; --header-bg: rgba(255, 255, 255, 0.92); --pill-bg: #EFEFEF; --pill-text: #3A3A3A; --sheet-bg: #FFFFFF; --input-bg: #F0F0F0; --shadow: 0 2px 12px rgba(0, 0, 0, 0.08); } /* Sepia theme (app default) — warm cream background, dark brown ink */ [data-theme="sepia"], :root:not([data-theme]) { --bg: #F5ECD7; --bg-card: #EDE0C8; --text: #3B2F2F; --text-muted: #7A6652; --accent: #8B4513; --border: #D5C5A5; --header-bg: rgba(245, 236, 215, 0.92); --pill-bg: #DDD0B8; --pill-text: #3B2F2F; --sheet-bg: #EDE0C8; --input-bg: #F0E6D0; --shadow: 0 2px 12px rgba(59, 47, 47, 0.12); } /* Dark Gray theme — sophisticated dark, not pure black */ [data-theme="dark"] { --bg: #1C1C1E; --bg-card: #2C2C2E; --text: #E8E8E8; --text-muted: #9A9A9A; --accent: #FF6B6B; --border: #3A3A3C; --header-bg: rgba(28, 28, 30, 0.92); --pill-bg: #3A3A3C; --pill-text: #E8E8E8; --sheet-bg: #2C2C2E; --input-bg: #3A3A3C; --shadow: 0 2px 12px rgba(0, 0, 0, 0.4); } /* AMOLED Black theme — pure black for OLED battery saving */ [data-theme="amoled"] { --bg: #000000; --bg-card: #111111; --text: #F0F0F0; --text-muted: #808080; --accent: #E57373; --border: #222222; --header-bg: rgba(0, 0, 0, 0.95); --pill-bg: #1A1A1A; --pill-text: #F0F0F0; --sheet-bg: #111111; --input-bg: #1A1A1A; --shadow: 0 2px 12px rgba(0, 0, 0, 0.6); } /* Font family options — toggled by data-font on */ [data-font="lora"] { --body-font: 'Lora', Georgia, serif; } [data-font="merriweather"] { --body-font: 'Merriweather', Georgia, serif; } [data-font="system"] { --body-font: Georgia, 'Times New Roman', serif; } [data-font="inter"] { --body-font: 'Inter', system-ui, sans-serif; } /* ========================================================= Skip Navigation Link (accessibility) ========================================================= */ .skip-link { position: absolute; top: -100%; left: 0; padding: 0.5rem 1rem; background: var(--accent); color: #fff; font-size: 0.875rem; font-family: system-ui, sans-serif; z-index: 9999; text-decoration: none; border-radius: 0 0 4px 0; } .skip-link:focus { top: 0; } /* ========================================================= View Management Two views exist in the DOM at all times; only one is shown. ========================================================= */ .view { width: 100%; min-height: 100dvh; } .view[hidden] { display: none; } /* ========================================================= App Header (Feed View) Sticky header with wordmark + action icons. On scroll-down the header shrinks via JS adding .app-header--compact. ========================================================= */ .app-header { position: sticky; top: 0; z-index: 100; background: var(--header-bg); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); /* iOS safe-area for notch */ padding-top: env(safe-area-inset-top); transition: padding 0.2s ease; } .app-header__inner { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 1rem; max-width: 720px; margin: 0 auto; } .app-header__wordmark { font-family: 'Lora', Georgia, serif; font-size: 1.375rem; font-weight: 700; color: var(--text); letter-spacing: -0.02em; cursor: default; user-select: none; } .app-header__actions { display: flex; align-items: center; gap: 0.25rem; } /* Compact header mode — triggered by JS on scroll down */ .app-header--compact .app-header__wordmark { font-size: 0; /* hide wordmark */ width: 0; overflow: hidden; } /* ========================================================= Icon Buttons Used throughout the header and bottom sheets. ========================================================= */ .icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 2.5rem; height: 2.5rem; border: none; background: transparent; color: var(--text); border-radius: 50%; cursor: pointer; /* Minimum touch target 44x44px for accessibility */ min-width: 44px; min-height: 44px; transition: background-color 0.15s ease, opacity 0.15s ease; -webkit-tap-highlight-color: transparent; } .icon-btn:hover { background-color: rgba(128, 128, 128, 0.12); } .icon-btn:active { background-color: rgba(128, 128, 128, 0.24); transform: scale(0.95); } .icon-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; } /* SVG icons inside icon buttons */ .icon { width: 1.5rem; height: 1.5rem; fill: currentColor; flex-shrink: 0; } .icon--small { width: 1.125rem; height: 1.125rem; } /* ========================================================= Offline Indicator ========================================================= */ .offline-indicator { display: flex; align-items: center; gap: 0.5rem; padding: 0.375rem 1rem; background-color: var(--bg-card); border-top: 1px solid var(--border); font-family: system-ui, sans-serif; font-size: 0.8125rem; color: var(--text-muted); max-width: 720px; margin: 0 auto; width: 100%; } /* ========================================================= Progress Bar Used for refresh progress (feed) and reading progress (reader). ========================================================= */ .progress-bar { height: 3px; background-color: var(--accent); width: 0%; transition: width 0.4s ease; } /* ========================================================= Feed Container ========================================================= */ .feed-container { max-width: 680px; margin: 0 auto; padding: 1rem 1rem calc(4rem + env(safe-area-inset-bottom)); } /* ========================================================= Article Card List ========================================================= */ .article-list { list-style: none; display: flex; flex-direction: column; gap: 1.25rem; } /* ========================================================= Article Card Each card is rendered by js/feed.js as an
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