/* ============================================================ styles.css — OnlineCounter.org Mobile-first, Apple HIG-inspired design system. Dark mode via [data-theme="dark"] on . ============================================================ */ /* ============================================================ 1. CSS CUSTOM PROPERTIES (Design Tokens) ============================================================ */ :root { /* Colors — Light Mode */ --color-bg: #F2F2F7; --color-surface: #FFFFFF; --color-surface-2: #F2F2F7; --color-text: #1C1C1E; --color-text-secondary: #6C6C70; --color-text-tertiary: #AEAEB2; --color-border: #E5E5EA; --color-accent: #007AFF; --color-accent-hover: #0066DB; --color-increment: #28CD41; --color-increment-hover: #22B037; --color-decrement: #FF3B30; --color-decrement-hover: #D93025; --color-reset: #FF9500; --color-shadow: rgba(0, 0, 0, 0.06); --color-shadow-md: rgba(0, 0, 0, 0.12); /* Typography */ --font-system: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; /* Spacing */ --space-xs: 4px; --space-sm: 8px; --space-md: 16px; --space-lg: 24px; --space-xl: 40px; /* Radius */ --radius-sm: 8px; --radius-md: 14px; --radius-lg: 20px; --radius-xl: 28px; /* Transitions */ --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1); --ease-out: cubic-bezier(0.16, 1, 0.3, 1); --dur-fast: 120ms; --dur-normal: 220ms; --dur-slow: 350ms; } /* Dark Mode Token Overrides */ [data-theme="dark"] { --color-bg: #000000; --color-surface: #1C1C1E; --color-surface-2: #2C2C2E; --color-text: #F5F5F7; --color-text-secondary: #AEAEB2; --color-text-tertiary: #636366; --color-border: #38383A; --color-shadow: rgba(0, 0, 0, 0.3); --color-shadow-md: rgba(0, 0, 0, 0.5); } /* ============================================================ 2. RESET & BASE ============================================================ */ *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; } body { font-family: var(--font-system); font-size: 16px; line-height: 1.6; background-color: var(--color-bg); color: var(--color-text); transition: background-color var(--dur-slow) ease, color var(--dur-slow) ease; min-height: 100dvh; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } a { color: var(--color-accent); text-decoration: none; } a:hover { text-decoration: underline; } img { max-width: 100%; height: auto; } button { font-family: var(--font-system); cursor: pointer; border: none; background: none; -webkit-tap-highlight-color: transparent; touch-action: manipulation; /* prevent delay on mobile double-tap */ user-select: none; } input { font-family: var(--font-system); } /* Focus ring — visible for keyboard users, invisible for mouse */ :focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; border-radius: var(--radius-sm); } :focus:not(:focus-visible) { outline: none; } /* Remove number input spinners */ input[type="number"]::-webkit-inner-spin-button, input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; } input[type="number"] { -moz-appearance: textfield; } /* ============================================================ 3. LAYOUT ============================================================ */ .site-header { position: sticky; top: 0; z-index: 100; background-color: var(--color-surface); border-bottom: 1px solid var(--color-border); transition: background-color var(--dur-slow) ease, border-color var(--dur-slow) ease; } /* Frosted glass effect in modern browsers */ @supports (backdrop-filter: blur(20px)) { .site-header { background-color: rgba(255, 255, 255, 0.82); backdrop-filter: blur(20px) saturate(180%); -webkit-backdrop-filter: blur(20px) saturate(180%); } [data-theme="dark"] .site-header { background-color: rgba(28, 28, 30, 0.82); } } .site-nav { display: flex; align-items: center; gap: var(--space-sm); max-width: 720px; margin: 0 auto; padding: 0 var(--space-md); height: 56px; } /* Logo — uses h1 on homepage */ .logo, .logo-text { font-size: 17px; font-weight: 700; letter-spacing: -0.02em; white-space: nowrap; margin: 0; } .logo a, .logo-text a { color: var(--color-text); display: flex; align-items: center; gap: 6px; } .logo a:hover, .logo-text a:hover { text-decoration: none; } .logo-dot { color: var(--color-text-secondary); font-weight: 400; } .nav-links { display: flex; align-items: center; gap: var(--space-xs); margin-left: var(--space-sm); flex: 1; overflow-x: auto; scrollbar-width: none; } .nav-links::-webkit-scrollbar { display: none; } .nav-link { color: var(--color-text-secondary); font-size: 14px; font-weight: 500; padding: 5px 10px; border-radius: var(--radius-sm); white-space: nowrap; transition: color var(--dur-fast) ease, background-color var(--dur-fast) ease; } .nav-link:hover { color: var(--color-text); background-color: var(--color-surface-2); text-decoration: none; } .nav-link.curr { color: var(--color-accent); background-color: rgba(0, 122, 255, 0.1); } .nav-actions { display: flex; align-items: center; gap: var(--space-xs); margin-left: auto; } /* Small icon buttons in the header */ .icon-btn { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; color: var(--color-text-secondary); transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease; } .icon-btn:hover { background-color: var(--color-surface-2); color: var(--color-text); } .icon-btn.is-off { color: var(--color-text-tertiary); } #main-content { max-width: 720px; margin: 0 auto; padding: var(--space-lg) var(--space-md) var(--space-xl); } /* ============================================================ 4. COUNTER HERO SECTION ============================================================ */ .counter-hero { background-color: var(--color-surface); border-radius: var(--radius-xl); padding: var(--space-lg) var(--space-md); box-shadow: 0 2px 20px var(--color-shadow), 0 1px 4px var(--color-shadow); display: flex; flex-direction: column; align-items: center; gap: var(--space-md); transition: background-color var(--dur-slow) ease, box-shadow var(--dur-slow) ease; } /* --- Counter Name Input --- */ .counter-name-input { font-size: 16px; font-weight: 600; color: var(--color-text-secondary); text-align: center; background: transparent; border: none; border-bottom: 1.5px solid transparent; padding: 2px 8px; border-radius: var(--radius-sm); width: 100%; max-width: 280px; transition: color var(--dur-fast) ease, border-color var(--dur-fast) ease; } .counter-name-input:hover { border-bottom-color: var(--color-border); } .counter-name-input:focus { border-bottom-color: var(--color-accent); color: var(--color-text); outline: none; } /* --- Number Display --- */ .counter-display-wrap { overflow: hidden; /* Contains the animation without layout shifts */ padding: var(--space-sm) 0; } .counter-number { font-size: clamp(72px, 18vw, 120px); font-weight: 700; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; cursor: pointer; color: var(--color-text); transition: color var(--dur-slow) ease; padding: 4px 12px; border-radius: var(--radius-md); /* Subtle hover state to hint it's clickable */ } .counter-number:hover { background-color: var(--color-surface-2); } .counter-number:active { background-color: var(--color-border); } /* Number change animations */ @keyframes count-up { from { transform: translateY(16px); opacity: 0.4; } to { transform: translateY(0); opacity: 1; } } @keyframes count-down { from { transform: translateY(-16px); opacity: 0.4; } to { transform: translateY(0); opacity: 1; } } .counter-number.anim-up { animation: count-up 0.22s var(--ease-out) forwards; } .counter-number.anim-down { animation: count-down 0.22s var(--ease-out) forwards; } /* --- Step Selector --- */ .step-selector { display: flex; gap: var(--space-xs); flex-wrap: wrap; justify-content: center; } .step-btn { font-size: 14px; font-weight: 600; color: var(--color-text-secondary); background-color: var(--color-surface-2); border-radius: 100px; padding: 6px 14px; transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease, transform var(--dur-fast) ease; } .step-btn:hover { background-color: var(--color-border); color: var(--color-text); } .step-btn.active { background-color: var(--color-accent); color: #FFFFFF; } .step-btn:active { transform: scale(0.94); } /* --- Main Action Buttons (+/-) --- */ .counter-buttons { display: flex; gap: 12px; width: 100%; max-width: 400px; } .action-btn { display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: var(--radius-lg); gap: 2px; color: #FFFFFF; transition: transform var(--dur-fast) var(--ease-spring), box-shadow var(--dur-fast) ease, filter var(--dur-fast) ease; /* Large touch target for mobile */ min-height: 88px; padding: 12px 20px; } .action-btn:active, .action-btn.btn-flash { transform: scale(0.93); box-shadow: 0 2px 8px var(--color-shadow); } .action-btn:hover:not(:active) { filter: brightness(1.06); } .btn-increment { flex: 2; /* Takes 2/3 of the row */ background: linear-gradient(145deg, var(--color-increment), #22B037); box-shadow: 0 4px 16px rgba(40, 205, 65, 0.3); } .btn-decrement { flex: 1; /* Takes 1/3 of the row */ background: linear-gradient(145deg, var(--color-decrement), #D93025); box-shadow: 0 4px 16px rgba(255, 59, 48, 0.25); } .action-btn-symbol { font-size: 36px; font-weight: 300; line-height: 1; } .action-btn-step { font-size: 12px; font-weight: 600; opacity: 0.75; } /* --- Secondary Controls Row --- */ .counter-controls { display: flex; gap: var(--space-sm); align-items: center; justify-content: center; } .ctrl-btn { display: flex; align-items: center; justify-content: center; height: 40px; border-radius: 100px; font-size: 14px; font-weight: 600; color: var(--color-text-secondary); background-color: var(--color-surface-2); padding: 0 16px; gap: 6px; transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease, transform var(--dur-fast) ease; } .ctrl-btn:hover { background-color: var(--color-border); color: var(--color-text); } .ctrl-btn:active { transform: scale(0.95); } .ctrl-btn.is-off { color: var(--color-text-tertiary); } /* Icon-only control buttons (square) */ .ctrl-btn-icon { width: 40px; padding: 0; } /* --- Keyboard Hint --- */ .keyboard-hint { font-size: 13px; font-weight: 600; color: var(--color-text-secondary); text-align: center; line-height: 1.8; } .keyboard-hint kbd { display: inline-block; padding: 3px 7px; border: 1.5px solid var(--color-border); border-radius: 5px; font-size: 12px; font-weight: 700; font-family: var(--font-system); background-color: var(--color-surface-2); color: var(--color-text); box-shadow: 0 1px 0 var(--color-border); } @media (hover: none) and (pointer: coarse) { /* Touch-only devices — hide keyboard hint */ .keyboard-hint { display: none; } } /* ============================================================ 5. MULTIPLE COUNTERS SECTION ============================================================ */ .multi-section { margin-top: var(--space-lg); } .multi-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-md); gap: var(--space-sm); } .multi-title { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; } .btn-add-counter { font-size: 14px; font-weight: 600; color: var(--color-accent); background-color: rgba(0, 122, 255, 0.1); border-radius: 100px; padding: 7px 14px; white-space: nowrap; transition: background-color var(--dur-fast) ease; } .btn-add-counter:hover { background-color: rgba(0, 122, 255, 0.2); } .btn-add-counter:active { transform: scale(0.96); } /* Counter Cards Grid */ .counters-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: var(--space-md); } .counter-card { background-color: var(--color-surface); border-radius: var(--radius-lg); padding: var(--space-md); box-shadow: 0 1px 8px var(--color-shadow); cursor: pointer; border: 2px solid transparent; transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease, transform var(--dur-fast) ease, background-color var(--dur-slow) ease; display: flex; flex-direction: column; gap: var(--space-sm); /* Enter animation */ animation: card-enter 0.3s var(--ease-out) forwards; } @keyframes card-enter { from { opacity: 0; transform: translateY(12px) scale(0.97); } to { opacity: 1; transform: translateY(0) scale(1); } } .counter-card:hover { box-shadow: 0 4px 16px var(--color-shadow-md); transform: translateY(-1px); } .counter-card.is-active { border-color: var(--color-accent); box-shadow: 0 0 0 1px rgba(0, 122, 255, 0.15), 0 4px 16px var(--color-shadow-md); } /* Card Header */ .card-top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-xs); } .card-name { font-size: 13px; font-weight: 600; color: var(--color-text-secondary); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: text; } .card-name:hover { color: var(--color-text); } .card-name-input { font-size: 13px; font-weight: 600; color: var(--color-text); border: none; border-bottom: 1.5px solid var(--color-accent); background: transparent; flex: 1; min-width: 0; padding: 0; } .card-name-input:focus { outline: none; } .card-delete { display: flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; color: var(--color-text-tertiary); flex-shrink: 0; transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease; } .card-delete:hover { background-color: rgba(255, 59, 48, 0.12); color: var(--color-decrement); } .card-delete:disabled { opacity: 0.3; cursor: not-allowed; } /* Card Count Number */ .card-count { font-size: clamp(28px, 8vw, 40px); font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; color: var(--color-text); text-align: center; } /* Card +/- Buttons */ .card-btns { display: flex; gap: var(--space-xs); } .card-dec, .card-inc { flex: 1; height: 36px; border-radius: var(--radius-sm); font-size: 20px; font-weight: 400; line-height: 1; transition: background-color var(--dur-fast) ease, transform var(--dur-fast) ease; } .card-dec { background-color: rgba(255, 59, 48, 0.1); color: var(--color-decrement); } .card-inc { background-color: rgba(40, 205, 65, 0.12); color: var(--color-increment); } .card-dec:hover { background-color: rgba(255, 59, 48, 0.18); } .card-inc:hover { background-color: rgba(40, 205, 65, 0.22); } .card-dec:active, .card-inc:active { transform: scale(0.93); } /* ============================================================ 6. SEO CONTENT ARTICLE ============================================================ */ .seo-content { margin-top: var(--space-xl); } .seo-content section { background-color: var(--color-surface); border-radius: var(--radius-lg); padding: var(--space-lg) var(--space-lg); margin-bottom: var(--space-md); transition: background-color var(--dur-slow) ease; } .seo-content h2 { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: var(--space-md); color: var(--color-text); } .seo-content h3 { font-size: 17px; font-weight: 600; margin-top: var(--space-lg); margin-bottom: var(--space-sm); color: var(--color-text); } .seo-content p { font-size: 15px; color: var(--color-text-secondary); line-height: 1.7; margin-bottom: var(--space-sm); } .seo-content p:last-child { margin-bottom: 0; } .seo-content strong { color: var(--color-text); font-weight: 600; } /* Keyboard Shortcut Table */ .shortcut-table { width: 100%; border-collapse: collapse; margin: var(--space-md) 0; font-size: 14px; } .shortcut-table th { text-align: left; padding: 8px 12px; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-tertiary); border-bottom: 1px solid var(--color-border); } .shortcut-table td { padding: 10px 12px; border-bottom: 1px solid var(--color-border); color: var(--color-text-secondary); vertical-align: middle; } .shortcut-table tr:last-child td { border-bottom: none; } .shortcut-table kbd { display: inline-block; padding: 2px 7px; font-family: var(--font-system); font-size: 12px; background-color: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: 5px; color: var(--color-text); white-space: nowrap; margin-right: 2px; } /* ============================================================ 7. MODALS ============================================================ */ .modal-overlay { position: fixed; inset: 0; background-color: rgba(0, 0, 0, 0.45); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; z-index: 1000; padding: var(--space-md); animation: modal-backdrop-in 0.2s ease forwards; } .modal-overlay[hidden] { display: none; } @keyframes modal-backdrop-in { from { opacity: 0; } to { opacity: 1; } } .modal-box { background-color: var(--color-surface); border-radius: var(--radius-xl); padding: var(--space-lg) var(--space-lg); width: 100%; max-width: 340px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 8px 20px rgba(0, 0, 0, 0.15); animation: modal-box-in 0.25s var(--ease-spring) forwards; } @keyframes modal-box-in { from { opacity: 0; transform: scale(0.92) translateY(8px); } to { opacity: 1; transform: scale(1) translateY(0); } } .modal-title { font-size: 18px; font-weight: 700; color: var(--color-text); margin-bottom: var(--space-sm); } .modal-text { font-size: 15px; color: var(--color-text-secondary); line-height: 1.5; margin-bottom: var(--space-lg); } .modal-input { width: 100%; padding: 12px var(--space-md); border: 1.5px solid var(--color-border); border-radius: var(--radius-md); font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; text-align: center; color: var(--color-text); background-color: var(--color-surface-2); margin-bottom: var(--space-lg); transition: border-color var(--dur-fast) ease; } .modal-input:focus { outline: none; border-color: var(--color-accent); } .modal-actions { display: flex; gap: var(--space-sm); } .modal-btn { flex: 1; height: 48px; border-radius: var(--radius-md); font-size: 16px; font-weight: 600; transition: background-color var(--dur-fast) ease, transform var(--dur-fast) ease; } .modal-btn:active { transform: scale(0.97); } .modal-btn-cancel { background-color: var(--color-surface-2); color: var(--color-text-secondary); } .modal-btn-cancel:hover { background-color: var(--color-border); color: var(--color-text); } .modal-btn-confirm { background-color: var(--color-accent); color: #FFFFFF; } .modal-btn-confirm:hover { background-color: var(--color-accent-hover); } /* ============================================================ 8. FOOTER ============================================================ */ .site-footer { border-top: 1px solid var(--color-border); padding: var(--space-lg) var(--space-md); max-width: 720px; margin: 0 auto; transition: border-color var(--dur-slow) ease; } .footer-links { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-lg); margin-bottom: var(--space-sm); } .footer-links a { font-size: 13px; font-weight: 500; color: var(--color-text-secondary); transition: color var(--dur-fast) ease; } .footer-links a:hover { color: var(--color-text); text-decoration: none; } .footer-copy { font-size: 13px; color: var(--color-text-tertiary); } .footer-copy a { color: var(--color-text-tertiary); } .footer-copy a:hover { color: var(--color-text-secondary); text-decoration: none; } /* ============================================================ 8a. RELATED TOOLS — card grid shown on inner pages ============================================================ */ .related-tools { margin-top: var(--space-lg); padding: 0 var(--space-md) var(--space-lg); } .related-title { font-size: 18px; font-weight: 700; margin-bottom: var(--space-md); letter-spacing: -0.02em; color: var(--color-text); } .related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: var(--space-md); } .related-card { background-color: var(--color-surface); border-radius: var(--radius-lg); padding: var(--space-md); display: flex; flex-direction: column; gap: 4px; box-shadow: 0 1px 8px var(--color-shadow); transition: transform var(--dur-fast) ease, box-shadow var(--dur-fast) ease; text-decoration: none; } .related-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px var(--color-shadow-md, rgba(0,0,0,0.14)); text-decoration: none; } .related-name { font-size: 15px; font-weight: 700; color: var(--color-text); } .related-desc { font-size: 13px; color: var(--color-text-secondary); } /* ============================================================ 8b. RESULT STRIP — copy/share bar below the counter ============================================================ */ .result-strip { display: flex; align-items: center; gap: 10px; margin-top: var(--space-md); padding: 11px 16px; background: var(--color-surface-2); border: 1.5px solid var(--color-border); border-radius: 12px; cursor: pointer; transition: background 0.18s, border-color 0.18s, transform 0.12s; user-select: none; -webkit-user-select: none; } .result-strip:hover { background: var(--color-surface-3, var(--color-surface-2)); border-color: var(--color-primary); } .result-strip:active { transform: scale(0.98); } /* Green flash when copied */ .result-strip.is-copied { border-color: #34c759; background: rgba(52, 199, 89, 0.08); } .result-icon { flex-shrink: 0; color: var(--color-text-secondary); line-height: 0; transition: color 0.18s; } .result-strip.is-copied .result-icon { color: #34c759; } .result-value { flex: 1; font-size: 14px; font-weight: 500; color: var(--color-text); font-family: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; } .result-copy-label { flex-shrink: 0; font-size: 12px; font-weight: 600; color: var(--color-text-secondary); transition: color 0.18s; letter-spacing: 0.02em; } .result-strip.is-copied .result-copy-label { color: #34c759; } /* Share button inside result strip */ .result-share-btn { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; border: none; background: transparent; color: var(--color-text-secondary); cursor: pointer; border-radius: 6px; padding: 0; transition: color 0.15s, background 0.15s; } .result-share-btn:hover { color: var(--color-primary); background: rgba(0, 122, 255, 0.08); } /* ============================================================ 9. RESPONSIVE — Tablet & Desktop ============================================================ */ @media (min-width: 480px) { .counter-hero { padding: var(--space-xl) var(--space-xl); } .action-btn { min-height: 100px; } } @media (min-width: 640px) { .counter-buttons { max-width: 480px; } .action-btn { min-height: 110px; } .action-btn-symbol { font-size: 44px; } .counters-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); } .seo-content section { padding: var(--space-xl) var(--space-xl); } } /* ============================================================ 10. FULLSCREEN MODE ============================================================ */ :fullscreen .site-header, :-webkit-full-screen .site-header, :fullscreen .multi-section, :-webkit-full-screen .multi-section, :fullscreen .seo-content, :-webkit-full-screen .seo-content, :fullscreen .site-footer, :-webkit-full-screen .site-footer { display: none; } :fullscreen #main-content, :-webkit-full-screen #main-content { display: flex; align-items: center; justify-content: center; min-height: 100dvh; padding: var(--space-md); } :fullscreen .counter-hero, :-webkit-full-screen .counter-hero { width: 100%; max-width: 480px; } /* ============================================================ 11. PRINT STYLES ============================================================ */ @media print { .site-header, .multi-section, .site-footer, .counter-controls, .step-selector, .keyboard-hint, .nav-actions, .modal-overlay { display: none; } .counter-hero { box-shadow: none; border: 1px solid #ccc; } }