/* ============================================ Vecstrix — Styles Mobile-first, CSS custom properties, BEM-like ============================================ */ /* --- Custom Properties --- */ :root { /* Colors — LIGHT theme is the default. Dark is opt-in via [data-theme="dark"] below. Light palette is WCAG AA verified (body text 17.5:1, muted 7.2:1, white-on-primary 6.2:1). */ color-scheme: light; --color-bg: #f6f7fb; --color-surface: #ffffff; --color-surface-hover: #eceef5; --color-border: #ccd1de; --color-text: #0f1219; --color-text-muted: #4e5263; --color-primary: #5a4bd4; --color-primary-hover: #4636bb; --color-success: #078069; --color-warning: #d9a200; --color-danger: #bd3322; --color-danger-hover: #9e2618; --color-checker: #e3e6ee; /* Spacing */ --space-xs: 0.25rem; --space-sm: 0.5rem; --space-md: 1rem; --space-lg: 1.5rem; --space-xl: 2rem; --space-2xl: 3rem; /* Radii */ --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px; /* Transitions */ --transition-fast: 150ms ease; --transition-normal: 250ms ease; } /* --- Dark theme (opt-in) --- Applied when is set by js/theme.js. These are the original Vecstrix dark values, retained verbatim. */ [data-theme="dark"] { color-scheme: dark; --color-bg: #0f1117; --color-surface: #1a1d27; --color-surface-hover: #222633; --color-border: #2a2e3b; --color-text: #e4e6ed; --color-text-muted: #8b8fa3; --color-primary: #6c5ce7; --color-primary-hover: #7c6ff7; --color-success: #00b894; --color-warning: #fdcb6e; --color-danger: #e17055; --color-danger-hover: #c0392b; --color-checker: #2a2e3b; } /* --- Reset --- */ *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; } html { font-size: 16px; -webkit-text-size-adjust: 100%; } body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif; background: var(--color-bg); color: var(--color-text); line-height: 1.6; min-height: 100vh; display: flex; flex-direction: column; } /* --- Header --- */ .header { position: relative; padding: var(--space-xl) var(--space-md); text-align: center; border-bottom: 1px solid var(--color-border); background: var(--color-surface); } .header__brand { display: flex; align-items: center; justify-content: center; gap: var(--space-sm); } .header__logo { width: 44px; height: 44px; flex-shrink: 0; } .header__title { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; background: linear-gradient(135deg, var(--color-primary), var(--color-success)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; } .header__tagline { color: var(--color-text-muted); font-size: 0.9rem; margin-top: var(--space-xs); } /* --- Theme Toggle --- */ .theme-toggle { position: absolute; top: var(--space-md); right: var(--space-md); width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; background: transparent; color: var(--color-text-muted); border: 1px solid var(--color-border); border-radius: var(--radius-sm); cursor: pointer; transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast); } .theme-toggle:hover { background: var(--color-surface-hover); color: var(--color-text); border-color: var(--color-primary); } .theme-toggle:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; } /* Show the moon (→ switch to dark) in light mode, the sun (→ switch to light) in dark mode. Driven purely by the data-theme attribute. */ .theme-toggle__icon--sun { display: none; } [data-theme="dark"] .theme-toggle__icon--moon { display: none; } [data-theme="dark"] .theme-toggle__icon--sun { display: block; } /* --- Main --- */ .main { flex: 1; max-width: 1400px; width: 100%; margin: 0 auto; padding: var(--space-xl) var(--space-md); } /* --- Upload Zone --- */ .upload-zone { border: 2px dashed var(--color-border); border-radius: var(--radius-lg); padding: var(--space-2xl) var(--space-xl); text-align: center; cursor: pointer; transition: border-color var(--transition-fast), background var(--transition-fast); background: var(--color-surface); } .upload-zone:hover, .upload-zone.is-dragging, .upload-zone.drag-over { border-color: var(--color-primary); background: var(--color-surface-hover); } .upload-zone__icon { color: var(--color-text-muted); margin-bottom: var(--space-md); } .upload-zone__text { font-size: 1.1rem; font-weight: 600; margin-bottom: var(--space-xs); } .upload-zone__hint { color: var(--color-text-muted); font-size: 0.85rem; } /* --- Workspace --- */ .workspace { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); margin-top: var(--space-xl); } @media (min-width: 900px) { .workspace { grid-template-columns: 1fr 1fr; } } /* --- Panel --- */ .panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; } .panel__header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--space-sm); padding: var(--space-md) var(--space-lg); border-bottom: 1px solid var(--color-border); } .panel__header h2 { font-size: 1rem; font-weight: 600; } .panel__body { padding: var(--space-lg); display: flex; flex-direction: column; align-items: center; min-height: 300px; } .output-actions { display: flex; gap: var(--space-sm); } /* --- Preview Canvas --- */ .preview-canvas { max-width: 100%; max-height: 450px; border-radius: var(--radius-sm); object-fit: contain; background: linear-gradient(45deg, var(--color-checker) 25%, transparent 25%), linear-gradient(-45deg, var(--color-checker) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, var(--color-checker) 75%), linear-gradient(-45deg, transparent 75%, var(--color-checker) 75%); background-size: 16px 16px; background-position: 0 0, 0 8px, 8px -8px, -8px 0; } .image-info { margin-top: var(--space-sm); font-size: 0.8rem; color: var(--color-text-muted); } /* --- SVG Preview --- */ .svg-preview { width: 100%; min-height: 300px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); background: linear-gradient(45deg, var(--color-checker) 25%, transparent 25%), linear-gradient(-45deg, var(--color-checker) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, var(--color-checker) 75%), linear-gradient(-45deg, transparent 75%, var(--color-checker) 75%); background-size: 16px 16px; background-position: 0 0, 0 8px, 8px -8px, -8px 0; } .svg-preview__placeholder { color: var(--color-text-muted); font-style: italic; } .svg-preview svg { max-width: 100%; max-height: 450px; } /* --- Controls --- */ .controls { margin-top: var(--space-xl); } .controls__inner { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-lg); } /* --- Control Group --- */ .control-group { margin-bottom: var(--space-lg); } .control-group:last-of-type { margin-bottom: var(--space-xl); } .control-group__title { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); margin-bottom: var(--space-md); } .control-row { display: flex; flex-wrap: wrap; gap: var(--space-lg); align-items: flex-end; } /* --- Control (base) --- */ .control { display: flex; flex-direction: column; gap: var(--space-xs); } .control__label { font-size: 0.85rem; color: var(--color-text-muted); } .control__hint { font-size: 0.75rem; font-weight: 400; opacity: 0.7; } /* --- Select --- */ .control__select { background: var(--color-bg); color: var(--color-text); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: var(--space-sm) var(--space-md); font-size: 0.9rem; cursor: pointer; min-width: 140px; } .control__select:focus { outline: none; border-color: var(--color-primary); } /* --- Color Input --- */ .control--color { flex-direction: row; align-items: center; gap: var(--space-sm); } .control__color { width: 36px; height: 36px; border: 2px solid var(--color-border); border-radius: var(--radius-sm); cursor: pointer; padding: 0; background: none; } .control__color::-webkit-color-swatch-wrapper { padding: 0; } .control__color::-webkit-color-swatch { border: none; border-radius: 3px; } /* --- Remove Button --- */ .control__remove { background: var(--color-danger); color: white; border: none; border-radius: var(--radius-sm); width: 24px; height: 24px; cursor: pointer; font-size: 14px; line-height: 1; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: background var(--transition-fast); } .control__remove:hover { background: var(--color-danger-hover); } /* --- Toggle Switch --- */ .control--toggle { flex-direction: row; align-items: center; gap: var(--space-sm); position: relative; } /* Visually hidden but still focusable and exposed to assistive tech — display:none would drop it out of the tab order entirely. */ .control__toggle { position: absolute; width: 1px; height: 1px; margin: 0; opacity: 0; pointer-events: none; } .control__toggle:focus-visible + .control__toggle-track { outline: 2px solid var(--color-primary); outline-offset: 2px; } .control__toggle-track { width: 44px; height: 24px; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 12px; position: relative; cursor: pointer; transition: background var(--transition-fast), border-color var(--transition-fast); } .control__toggle-thumb { position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; background: var(--color-text-muted); border-radius: 50%; transition: transform var(--transition-fast), background var(--transition-fast); } .control__toggle:checked + .control__toggle-track { background: var(--color-primary); border-color: var(--color-primary); } .control__toggle:checked + .control__toggle-track .control__toggle-thumb { transform: translateX(20px); background: white; } /* --- Range Slider --- */ .control--range { flex: 1; min-width: 200px; } .control__range { width: 100%; height: 6px; -webkit-appearance: none; appearance: none; background: var(--color-bg); border-radius: 3px; outline: none; margin-top: var(--space-sm); } .control__range::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; background: var(--color-primary); border-radius: 50%; cursor: pointer; transition: transform var(--transition-fast); } .control__range::-webkit-slider-thumb:hover { transform: scale(1.2); } .control__range::-moz-range-thumb { width: 18px; height: 18px; background: var(--color-primary); border-radius: 50%; cursor: pointer; border: none; } /* --- Buttons --- */ .btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-sm); font-family: inherit; font-weight: 600; border: none; cursor: pointer; transition: background var(--transition-fast), opacity var(--transition-fast); } .btn:disabled { opacity: 0.4; cursor: not-allowed; } .btn--sm { font-size: 0.8rem; padding: var(--space-xs) var(--space-sm); border-radius: var(--radius-sm); } .btn--lg { font-size: 1.1rem; padding: var(--space-md) var(--space-xl); border-radius: var(--radius-md); width: 100%; } @media (min-width: 600px) { .btn--lg { width: auto; } } .btn--primary { background: var(--color-primary); color: white; } .btn--primary:hover:not(:disabled) { background: var(--color-primary-hover); } .btn--ghost { background: transparent; color: var(--color-text-muted); border: 1px solid var(--color-border); } .btn--ghost:hover:not(:disabled) { background: var(--color-surface-hover); color: var(--color-text); } .controls__action { text-align: center; } /* --- Progress --- */ .progress { margin-top: var(--space-lg); } .progress__track { height: 4px; background: var(--color-surface-hover); border-radius: 2px; overflow: hidden; } .progress__bar { height: 100%; background: var(--color-primary); border-radius: 2px; width: 0%; transition: width var(--transition-normal); } .progress__text { display: block; text-align: center; font-size: 0.85rem; color: var(--color-text-muted); margin-top: var(--space-sm); } /* --- Palette Swatches --- */ .palette-swatch { display: inline-block; width: 32px; height: 32px; border-radius: 4px; border: 1px solid var(--color-border); flex-shrink: 0; } /* --- Footer --- */ .footer { text-align: center; padding: var(--space-lg) var(--space-md); border-top: 1px solid var(--color-border); color: var(--color-text-muted); font-size: 0.8rem; } /* --- Skip Link --- */ .skip-link { position: absolute; left: -9999px; top: 0; z-index: 100; padding: var(--space-sm) var(--space-md); background: var(--color-primary); color: #fff; font-weight: 600; border-radius: 0 0 var(--radius-sm) 0; } .skip-link:focus { left: 0; } /* --- Focus Visibility --- Every interactive control needs a visible keyboard focus ring. The range input sets outline:none for its track, so it is re-stated here. */ .btn:focus-visible, .upload-zone:focus-visible, .control__range:focus-visible, .control__color:focus-visible, .control__select:focus-visible, .control__remove:focus-visible, .skip-link:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; } /* --- Upload Error --- */ .upload-zone__error { margin-top: var(--space-md); color: var(--color-danger); font-size: 0.9rem; font-weight: 600; } /* --- Touch Targets --- Pointer-imprecise devices only, so the desktop layout is unchanged. Small buttons are ~28px tall by default, below a comfortable tap target. */ @media (pointer: coarse) { .btn--sm { min-height: 44px; padding-left: var(--space-md); padding-right: var(--space-md); } .control__color { width: 44px; height: 44px; } .control__remove { width: 32px; height: 32px; } } /* --- Explanatory Content --- */ .content { margin-top: var(--space-2xl); padding-top: var(--space-xl); border-top: 1px solid var(--color-border); } .content h2 { font-size: 1.35rem; letter-spacing: -0.01em; margin-top: var(--space-xl); margin-bottom: var(--space-sm); } .content h2:first-child { margin-top: 0; } .content h3 { font-size: 1.05rem; margin-top: var(--space-lg); margin-bottom: var(--space-xs); } .content p { color: var(--color-text-muted); margin-bottom: var(--space-md); } .content__steps { color: var(--color-text-muted); margin: 0 0 var(--space-md) 1.25rem; } .content__steps li { margin-bottom: var(--space-xs); } .content abbr { text-decoration: none; border-bottom: 1px dotted currentColor; } .faq__item + .faq__item { margin-top: var(--space-md); } .faq dt { font-weight: 600; } .faq dd { color: var(--color-text-muted); margin: var(--space-xs) 0 0; } /* Wide screens: spread the prose and the FAQ across the full width rather than running single-column lines the width of the viewport. */ @media (min-width: 900px) { .content__cols { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); align-items: start; } .faq { display: grid; grid-template-columns: 1fr 1fr; column-gap: var(--space-xl); row-gap: var(--space-lg); align-items: start; } /* Grid row-gap handles the spacing; the stacked margin would double it. */ .faq__item + .faq__item { margin-top: 0; } } /* --- Reduced Motion --- Honour the OS-level preference; all motion here is decorative. */ @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } }