/* ======================================================================== TOOL LANDING PAGE - CROSS-CULTURAL DESIGN SYSTEM Target: RO / DACH / EN | Psychological: Trust + Clarity + Micro-reward ======================================================================== */ /* 1. VARIABLES & THEME =================================================== */ :root { /* Colors */ --bg-page: #F8FAFC; --bg-card: #FFFFFF; --bg-surface: #F1F5F9; --text-primary: #0F172A; --text-secondary: #475569; --text-muted: #94A3B8; --accent: #2563EB; /* Trust blue (universal) */ --accent-hover: #1D4ED8; --warm: #D97706; /* Approachable amber */ --success: #10B981; --error: #EF4444; --border: #E2E8F0; --shadow-sm: 0 1px 3px rgba(15,23,42,0.08); --shadow-md: 0 4px 12px rgba(15,23,42,0.12); --focus-ring: 0 0 0 3px rgba(37,99,235,0.25); /* Spacing */ --space-xs: 0.25rem; --space-sm: 0.5rem; --space-md: 1rem; --space-lg: 1.5rem; --space-xl: 2rem; --space-2xl: 3rem; /* Layout */ --radius: 12px; --radius-sm: 8px; --max-width: 1200px; --header-height: 64px; /* Typography */ --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", "Consolas", monospace; --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem); --text-sm: clamp(0.8125rem, 0.75rem + 0.3vw, 0.9375rem); --text-base: clamp(0.875rem, 0.8rem + 0.3vw, 1rem); --text-lg: clamp(1rem, 0.9rem + 0.4vw, 1.125rem); --text-xl: clamp(1.25rem, 1rem + 1vw, 1.5rem); --text-2xl: clamp(1.5rem, 1.2rem + 1.2vw, 1.875rem); --text-3xl: clamp(1.875rem, 1.5rem + 1.5vw, 2.25rem); /* Motion */ --ease: 0.18s cubic-bezier(0.4, 0, 0.2, 1); --ease-slow: 0.25s cubic-bezier(0.4, 0, 0.2, 1); } @media (prefers-color-scheme: dark) { :root { --bg-page: #0B1120; --bg-card: #111827; --bg-surface: #1E293B; --text-primary: #F1F5F9; --text-secondary: #CBD5E1; --text-muted: #64748B; --border: #334155; --shadow-sm: 0 1px 3px rgba(0,0,0,0.3); --shadow-md: 0 4px 12px rgba(0,0,0,0.4); } } /* Manual theme override (JS toggles .theme-light / .theme-dark on ) */ html.theme-dark { --bg-page: #0B1120; --bg-card: #111827; --bg-surface: #1E293B; --text-primary: #F1F5F9; --text-secondary: #CBD5E1; --text-muted: #64748B; --border: #334155; --shadow-sm: 0 1px 3px rgba(0,0,0,0.3); --shadow-md: 0 4px 12px rgba(0,0,0,0.4); } /* 2. BASE & RESET ======================================================== */ *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-rendering: optimizeLegibility; font-feature-settings: "kern" 1, "liga" 1; } body { font-family: var(--font-sans); background: var(--bg-page); color: var(--text-primary); line-height: 1.5; -webkit-font-smoothing: antialiased; min-height: 100vh; display: flex; flex-direction: column; } img, svg { max-width: 100%; height: auto; display: block; } a { color: inherit; text-decoration: none; } button { cursor: pointer; font: inherit; } ul, ol { list-style: none; } /* 3. LAYOUT & CONTAINERS ================================================ */ .container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding-inline: var(--space-lg); } .site-header { position: sticky; top: 0; z-index: 50; height: var(--header-height); background: var(--bg-card); border-bottom: 1px solid var(--border); display: flex; align-items: center; } .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; } /* Header brand */ .logo { display: inline-flex; align-items: center; gap: var(--space-sm); color: var(--text-primary); font-size: var(--text-lg); line-height: 1.2; transition: opacity var(--ease); } .logo:hover { opacity: 0.9; } .logo-img { width: 32px; height: 32px; flex-shrink: 0; display: block; border-radius: var(--radius-sm); } .logo strong { font-weight: 700; letter-spacing: -0.02em; } main { flex: 1; padding-block: var(--space-xl); } footer { border-top: 1px solid var(--border); padding-block: var(--space-xl); color: var(--text-muted); font-size: var(--text-sm); } /* 4. TYPOGRAPHY & UTILITIES ============================================= */ h1, h2, h3, h4 { text-wrap: balance; line-height: 1.2; font-weight: 600; } h1 { font-size: var(--text-3xl); margin-bottom: var(--space-md); } h2 { font-size: var(--text-2xl); margin-bottom: var(--space-lg); } h3 { font-size: var(--text-xl); } .text-center { text-align: center; } .text-muted { color: var(--text-muted); } .flex { display: flex; } .flex-col { flex-direction: column; } .items-center { align-items: center; } .justify-between { justify-content: space-between; } .gap-sm { gap: var(--space-sm); } .gap-md { gap: var(--space-md); } .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; } /* 5. COMPONENTS ========================================================= */ /* Language Switcher - Pill Design */ .lang-switch { display: inline-flex; background: var(--bg-surface); padding: 4px; border-radius: 999px; gap: 4px; align-items: center; width: auto; } .lang-btn { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; font-size: var(--text-sm); font-weight: 500; color: var(--text-secondary); background: transparent; border: none; transition: all 0.2s ease; white-space: nowrap; } .lang-btn:hover { color: var(--text-primary); } .lang-btn[aria-current="true"] { background: var(--bg-card); color: var(--accent); font-weight: 600; box-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06); } /* Theme Toggle */ .theme-toggle { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); background: var(--bg-surface); display: grid; place-items: center; font-size: 1.1rem; } /* Buttons */ .btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs); padding: var(--space-sm) var(--space-md); border-radius: var(--radius-sm); font-size: var(--text-sm); font-weight: 500; border: 1px solid transparent; background: var(--accent); color: #fff; transition: var(--ease); } .btn:hover { background: var(--accent-hover); } .btn--outline { background: transparent; border-color: var(--border); color: var(--text-primary); } .btn--outline:hover { background: var(--bg-surface); } .btn--sm { padding: var(--space-xs) var(--space-sm); font-size: var(--text-xs); } .btn--success { background: var(--success); } .btn--success:hover { background: #059669; } .btn--danger { background: transparent; border-color: var(--error); color: var(--error); } .btn--danger:hover { background: var(--error); color: #fff; } .btn:disabled { opacity: 0.5; cursor: not-allowed; } /* ======================================================================== CONVERTER-SPECIFIC STYLES ======================================================================== */ /* Hero Section */ .hero { text-align: center; padding-block: var(--space-lg); } .hero p { font-size: var(--text-lg); color: var(--text-secondary); max-width: 650px; margin: var(--space-sm) auto var(--space-lg); } /* Mode Toggle */ .mode-toggle { display: flex; align-items: center; background: var(--bg-surface); border-radius: 999px; padding: 4px; border: 1px solid var(--border); margin-bottom: var(--space-lg); width: fit-content; margin-left: auto; margin-right: auto; } .mode-toggle__option { padding: 0.5rem 1.25rem; border-radius: 999px; font-size: var(--text-sm); font-weight: 600; cursor: pointer; transition: all 0.2s ease; background: transparent; border: none; color: var(--text-secondary); white-space: nowrap; } .mode-toggle__option:hover { color: var(--text-primary); background: var(--bg-card); } .mode-toggle__option.active { background: var(--accent); color: white; box-shadow: var(--shadow-sm); } .mode-toggle__arrow { display: flex; align-items: center; justify-content: center; color: var(--warm); font-size: 1.2rem; padding: 0 0.5rem; animation: pulse-arrow 2s infinite; } @keyframes pulse-arrow { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } } /* Toolbar */ .toolbar { display: flex; align-items: center; justify-content: space-between; padding: var(--space-sm) 0; gap: var(--space-md); flex-wrap: wrap; } .toolbar__left, .toolbar__right { display: flex; align-items: center; gap: var(--space-sm); } /* Editor Container */ .editor-container { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); min-height: 55vh; } @media (max-width: 900px) { .editor-container { grid-template-columns: 1fr; } } /* Editor Panel */ .editor-panel { display: flex; flex-direction: column; background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--ease); } .editor-panel:focus-within { border-color: var(--accent); box-shadow: var(--focus-ring); } .editor-panel__header { display: flex; align-items: center; justify-content: space-between; padding: 0.5rem 1rem; background: var(--bg-surface); border-bottom: 1px solid var(--border); min-height: 40px; } .editor-panel__title { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text-secondary); display: flex; align-items: center; gap: var(--space-xs); } .editor-panel__actions { display: flex; align-items: center; gap: 0.25rem; } .editor-panel__body { flex: 1; display: flex; position: relative; } /* Textarea */ .editor-textarea { width: 100%; height: 100%; min-height: 400px; padding: var(--space-md); background: var(--bg-page); color: var(--text-primary); border: none; outline: none; resize: vertical; font-family: var(--font-mono); font-size: 0.85rem; line-height: 1.7; tab-size: 4; transition: var(--ease); } .editor-textarea::placeholder { color: var(--text-muted); } .editor-textarea:focus { background: var(--bg-card); } /* Preview Area */ .preview-area { width: 100%; height: 100%; min-height: 400px; padding: var(--space-md); overflow-y: auto; background: var(--bg-page); font-size: var(--text-base); line-height: 1.7; } .preview-area h1, .preview-area h2, .preview-area h3, .preview-area h4, .preview-area h5, .preview-area h6 { margin: 1rem 0 0.5rem; color: var(--accent); font-weight: 700; } .preview-area h1 { font-size: 1.8rem; border-bottom: 2px solid var(--border); padding-bottom: 0.3rem; } .preview-area h2 { font-size: 1.5rem; border-bottom: 1px solid var(--border); padding-bottom: 0.2rem; } .preview-area h3 { font-size: 1.25rem; } .preview-area h4 { font-size: 1.1rem; } .preview-area p { margin: 0.5rem 0; } .preview-area a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; } .preview-area code { background: var(--bg-surface); padding: 0.15rem 0.45rem; border-radius: 4px; font-family: var(--font-mono); font-size: 0.85em; color: var(--warm); } .preview-area pre { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1rem; overflow-x: auto; margin: 0.75rem 0; } .preview-area pre code { background: none; padding: 0; color: var(--text-primary); font-size: 0.82rem; } .preview-area blockquote { border-left: 4px solid var(--accent); padding: 0.5rem 1rem; margin: 0.75rem 0; background: rgba(37, 99, 235, 0.06); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-secondary); } .preview-area ul, .preview-area ol { padding-left: 1.5rem; margin: 0.5rem 0; list-style: revert; } .preview-area li { margin: 0.2rem 0; } .preview-area table { width: 100%; border-collapse: collapse; margin: 0.75rem 0; font-size: var(--text-sm); } .preview-area th, .preview-area td { border: 1px solid var(--border); padding: 0.5rem 0.75rem; text-align: left; } .preview-area th { background: var(--bg-surface); font-weight: 600; color: var(--accent); } .preview-area tr:nth-child(even) { background: rgba(148, 163, 184, 0.06); } .preview-area hr { border: none; border-top: 2px solid var(--border); margin: 1rem 0; } .preview-area img { max-width: 100%; border-radius: var(--radius-sm); } .preview-area del { opacity: 0.6; } /* Empty State */ .empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; color: var(--text-muted); text-align: center; padding: var(--space-2xl); } .empty-state__icon { font-size: 3rem; margin-bottom: var(--space-md); opacity: 0.5; } .empty-state__text { font-size: var(--text-sm); line-height: 1.6; } /* Stats Bar */ .stats-bar { display: flex; align-items: center; gap: var(--space-lg); padding: var(--space-sm) 0; margin-top: var(--space-md); font-size: var(--text-xs); color: var(--text-muted); } .stat { display: flex; align-items: center; gap: 0.25rem; } .stat__value { color: var(--text-secondary); font-weight: 600; } /* History Section */ .history-section { margin-top: var(--space-xl); background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; box-shadow: var(--shadow-sm); } .history-section__header { display: flex; align-items: center; justify-content: space-between; padding: 0.65rem 1rem; background: var(--bg-surface); border-bottom: 1px solid var(--border); cursor: pointer; user-select: none; } .history-section__title { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text-secondary); display: flex; align-items: center; gap: var(--space-xs); } .history-section__toggle { transition: transform 0.3s ease; color: var(--text-muted); font-size: var(--text-xs); } .history-section__toggle.collapsed { transform: rotate(-90deg); } .history-section__body { max-height: 400px; overflow-y: auto; transition: max-height 0.3s ease; } .history-section__body.collapsed { max-height: 0; overflow: hidden; } .history-list { list-style: none; } .history-item { display: flex; align-items: flex-start; gap: var(--space-md); padding: var(--space-md); border-bottom: 1px solid var(--border); transition: var(--ease); cursor: pointer; } .history-item:hover { background: var(--bg-surface); } .history-item:last-child { border-bottom: none; } .history-item__badge { display: inline-flex; align-items: center; gap: 0.2rem; padding: 0.1rem 0.5rem; border-radius: 999px; font-size: var(--text-xs); font-weight: 600; white-space: nowrap; flex-shrink: 0; margin-top: 2px; } .history-item__badge--md2html { background: rgba(37, 99, 235, 0.1); color: var(--accent); border: 1px solid rgba(37, 99, 235, 0.2); } .history-item__badge--html2md { background: rgba(217, 119, 6, 0.1); color: var(--warm); border: 1px solid rgba(217, 119, 6, 0.2); } .history-item__content { flex: 1; min-width: 0; } .history-item__preview { font-size: var(--text-xs); color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; } .history-item__time { font-size: 0.65rem; color: var(--text-muted); margin-top: 0.2rem; } .history-item__delete { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 0.25rem; border-radius: 4px; transition: var(--ease); font-size: 0.8rem; flex-shrink: 0; opacity: 0; } .history-item:hover .history-item__delete { opacity: 1; } .history-item__delete:hover { color: var(--error); background: rgba(239, 68, 68, 0.1); } .history-empty { padding: var(--space-2xl); text-align: center; color: var(--text-muted); font-size: var(--text-sm); } /* Toast Notification */ .toast-container { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 9999; display: flex; flex-direction: column; gap: var(--space-sm); } .toast { display: flex; align-items: center; gap: var(--space-sm); padding: var(--space-sm) var(--space-md); border-radius: var(--radius); background: var(--bg-card); border: 1px solid var(--border); color: var(--text-primary); font-size: var(--text-sm); box-shadow: var(--shadow-md); animation: toast-in 0.3s ease-out; max-width: 350px; } .toast--success { border-color: var(--success); } .toast--error { border-color: var(--error); } .toast--info { border-color: var(--accent); } @keyframes toast-in { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } } @keyframes toast-out { from { transform: translateX(0); opacity: 1; } to { transform: translateX(100%); opacity: 0; } } /* Spinner */ .spinner { width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.6s linear infinite; display: none; } .spinner.active { display: inline-block; } @keyframes spin { to { transform: rotate(360deg); } } /* Fade In */ .fade-in { animation: fadeIn 0.3s ease-out; } @keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } } @keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.15); } } /* ======================================================================== MODERN FOOTER ======================================================================== */ .site-footer { background: var(--bg-surface); border-top: 1px solid var(--border); padding: var(--space-2xl) 0 var(--space-lg); position: relative; } .site-footer::before { content: ""; position: absolute; left: 50%; top: 0; transform: translateX(-50%); width: min(1200px, calc(100% - 2rem)); height: 1px; background: linear-gradient(90deg, transparent, rgba(37,99,235,0.35), transparent); } .footer-grid-modern { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: var(--space-2xl); padding-bottom: var(--space-xl); } .footer-brand { display: flex; flex-direction: column; gap: var(--space-md); max-width: 320px; } .footer-logo { font-size: var(--text-2xl); font-weight: 800; letter-spacing: -0.03em; } .footer-tagline { font-size: var(--text-sm); line-height: 1.8; color: var(--text-secondary); margin: 0; } .footer-column { display: flex; flex-direction: column; gap: var(--space-md); } .footer-heading { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-muted); margin: 0; } .footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.75rem; } .footer-links a { color: var(--text-secondary); font-size: var(--text-sm); text-decoration: none; transition: color var(--ease), transform var(--ease); } .footer-links a:hover { color: var(--accent); transform: translateX(2px); } .footer-bottom { border-top: 1px solid var(--border); padding-top: var(--space-lg); } .footer-bottom-content { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--space-sm); color: var(--text-muted); font-size: var(--text-xs); } /* Focus Accessibility */ :focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); } /* ======================================================================== STICKY DONATION BUTTON ======================================================================== */ .sticky-donate-wrapper { position: fixed; bottom: 24px; right: 24px; z-index: 90; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; opacity: 0; transform: translateY(20px); transition: opacity var(--ease), transform var(--ease); pointer-events: none; } .sticky-donate-wrapper.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; } .sticky-donate-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; background: linear-gradient(135deg, #FFDD00 0%, #FFC107 100%); color: #111; font-weight: 600; font-size: var(--text-sm); border-radius: 999px; box-shadow: var(--shadow-md); border: none; text-decoration: none; transition: transform var(--ease), box-shadow var(--ease); } .sticky-donate-btn:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 8px 16px rgba(255, 205, 0, 0.3); } .donate-icon { font-size: 1.2em; } /* ======================================================================== MODAL ======================================================================== */ .modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.5); display: flex; align-items: center; justify-content: center; z-index: 10000; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; } .modal-overlay.is-active { opacity: 1; visibility: visible; } .modal-container { background: var(--bg-card); border-radius: var(--radius); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15); max-width: 90vw; max-height: 90vh; overflow: hidden; display: flex; flex-direction: column; position: relative; } .modal-close { position: absolute; top: var(--space-md); right: var(--space-md); background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-muted); z-index: 1; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: background 0.2s ease; } .modal-close:hover { background: var(--bg-surface); color: var(--text-primary); } .modal-content { padding: var(--space-2xl); overflow-y: auto; max-height: 80vh; } .modal-content .modal-title { margin-top: 0; margin-bottom: var(--space-lg); font-size: var(--text-2xl); color: var(--text-primary); } .modal-loading { text-align: center; padding: var(--space-2xl); color: var(--text-muted); } /* 7. RESPONSIVE ========================================================= */ @media (max-width: 900px) { .footer-grid-modern { grid-template-columns: 1fr; gap: var(--space-xl); text-align: center; } .footer-brand { align-items: center; } .footer-column { align-items: center; } .footer-links { align-items: center; } .footer-bottom-content { flex-direction: column; text-align: center; } } @media (max-width: 640px) { :root { --space-xl: 1.5rem; --space-2xl: 2rem; } .editor-container { grid-template-columns: 1fr; } .editor-textarea, .preview-area { min-height: 300px; padding: var(--space-sm); font-size: 0.8rem; } .lang-btn span { display: none; } .lang-btn { padding: 6px 8px; font-size: 1.2rem; } .btn span.btn-label { display: none; } .mode-toggle { width: 100%; } .mode-toggle__option { flex: 1; text-align: center; padding: 0.45rem 0.5rem; font-size: var(--text-xs); } .sticky-donate-wrapper { bottom: 16px; right: 16px; } .sticky-donate-btn { padding: 8px 14px; font-size: var(--text-xs); } .footer-links a:hover { transform: none; } .stats-bar { flex-wrap: wrap; gap: var(--space-sm); } .toolbar { gap: var(--space-xs); } } @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } } @media print { .site-header, .stats-bar, .btn, .theme-toggle, .lang-switch, footer, .sticky-donate-wrapper, .history-section, .toolbar, .mode-toggle { display: none; } body { background: #fff; color: #000; } }