/* BrainyWorks — design system. Single stylesheet, no framework, no external fonts. Light and dark are both first-class: every colour is a variable, and the toggle stamps data-theme on . */ :root { --bg: #f6f7fb; --surface: #ffffff; --surface-2: #f0f2f7; --border: #e2e6ef; --border-strong: #cbd3e1; --text: #10141f; --text-muted: #5b6478; --text-faint: #8a93a6; --brand: #4f46e5; --brand-hover: #4338ca; --brand-soft: #eef0fe; --brand-text: #ffffff; --security: #dc2626; --security-soft: #fef2f2; --organise: #2563eb; --organise-soft: #eff6ff; --optimise: #059669; --optimise-soft: #ecfdf5; --convert: #d97706; --convert-soft: #fffbeb; --danger: #dc2626; --danger-soft: #fef2f2; --success: #16a34a; --success-soft: #f0fdf4; --radius: 14px; --radius-sm: 9px; --shadow: 0 1px 2px rgba(16,20,31,.06), 0 8px 24px rgba(16,20,31,.06); --shadow-lg: 0 2px 4px rgba(16,20,31,.06), 0 18px 44px rgba(16,20,31,.12); --wrap: 1140px; --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; } @media (prefers-color-scheme: dark) { :root[data-theme="auto"] { --bg: #0d1017; --surface: #151a24; --surface-2: #1b2130; --border: #262d3d; --border-strong: #37405480; --text: #eef1f7; --text-muted: #9aa4b8; --text-faint: #6f7994; --brand: #7c7ff2; --brand-hover: #9497f5; --brand-soft: #1e2138; --brand-text: #0d1017; --security-soft: #2a1417; --organise-soft: #141d30; --optimise-soft: #10241c; --convert-soft: #2a1f0f; --danger-soft: #2a1417; --success-soft: #10241c; --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3); --shadow-lg: 0 2px 4px rgba(0,0,0,.4), 0 18px 44px rgba(0,0,0,.45); } } :root[data-theme="dark"] { --bg: #0d1017; --surface: #151a24; --surface-2: #1b2130; --border: #262d3d; --border-strong: #374054; --text: #eef1f7; --text-muted: #9aa4b8; --text-faint: #6f7994; --brand: #7c7ff2; --brand-hover: #9497f5; --brand-soft: #1e2138; --brand-text: #0d1017; --security-soft: #2a1417; --organise-soft: #141d30; --optimise-soft: #10241c; --convert-soft: #2a1f0f; --danger-soft: #2a1417; --success-soft: #10241c; --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3); --shadow-lg: 0 2px 4px rgba(0,0,0,.4), 0 18px 44px rgba(0,0,0,.45); } * { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; } body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; } a { color: var(--brand); text-decoration: none; } a:hover { text-decoration: underline; } h1, h2, h3, h4 { line-height: 1.22; margin: 0 0 .5em; letter-spacing: -.02em; } h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); font-weight: 750; } h2 { font-size: clamp(1.35rem, 2.6vw, 1.9rem); font-weight: 700; } h3 { font-size: 1.12rem; font-weight: 650; } p { margin: 0 0 1rem; } .muted { color: var(--text-muted); } .small { font-size: .875rem; } .wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; } .skip { position: absolute; left: -9999px; top: 0; background: var(--brand); color: var(--brand-text); padding: 10px 16px; z-index: 100; border-radius: 0 0 8px 0; } .skip:focus { left: 0; } svg.ico, svg.brand-mark, svg.chev { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; flex: none; } /* ---------- header ---------- */ .site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--border); } .header-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; gap: 16px; } .brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; font-size: 1.06rem; color: var(--text); } .brand:hover { text-decoration: none; } .brand-mark { width: 26px; height: 26px; color: var(--brand); } .site-nav { display: flex; align-items: center; gap: 4px; } .nav-link { display: inline-flex; align-items: center; gap: 5px; padding: 8px 12px; border-radius: var(--radius-sm); color: var(--text-muted); font-weight: 550; font-size: .93rem; background: none; border: 0; cursor: pointer; font-family: inherit; } .nav-link:hover { background: var(--surface-2); color: var(--text); text-decoration: none; } .chev { width: 15px; height: 15px; stroke-width: 2.4; transition: transform .18s; } .dropdown { position: relative; } .dropdown.open .chev { transform: rotate(180deg); } .dropdown-menu { position: absolute; right: 0; top: calc(100% + 8px); min-width: 560px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 14px; display: none; grid-template-columns: repeat(2, 1fr); gap: 6px 18px; } .dropdown.open .dropdown-menu { display: grid; } .dropdown-heading { font-size: .7rem; text-transform: uppercase; letter-spacing: .09em; color: var(--text-faint); font-weight: 700; margin: 8px 8px 4px; } .dropdown-item { display: flex; align-items: center; gap: 10px; padding: 8px 9px; border-radius: var(--radius-sm); color: var(--text); font-size: .9rem; } .dropdown-item:hover { background: var(--surface-2); text-decoration: none; } .dropdown-item .ico { width: 17px; height: 17px; color: var(--text-muted); } .theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface); color: var(--text-muted); cursor: pointer; margin-left: 6px; } .theme-toggle:hover { color: var(--text); border-color: var(--border-strong); } .theme-toggle .moon { display: none; } :root[data-theme="dark"] .theme-toggle .sun { display: none; } :root[data-theme="dark"] .theme-toggle .moon { display: block; } @media (prefers-color-scheme: dark) { :root[data-theme="auto"] .theme-toggle .sun { display: none; } :root[data-theme="auto"] .theme-toggle .moon { display: block; } } /* ---------- hero ---------- */ .hero { padding: 68px 0 44px; text-align: center; } .hero .eyebrow { display: inline-flex; align-items: center; gap: 7px; padding: 5px 13px; border-radius: 999px; background: var(--brand-soft); color: var(--brand); font-size: .8rem; font-weight: 650; margin-bottom: 18px; border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent); } .hero p.lead { font-size: 1.12rem; color: var(--text-muted); max-width: 640px; margin: 0 auto 22px; } .hero-badges { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; } .badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 13px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); font-size: .84rem; color: var(--text-muted); } .badge .ico { width: 15px; height: 15px; color: var(--success); } /* ---------- tool grid ---------- */ .section { padding: 30px 0 12px; } .section-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 18px; } .section-head h2 { margin: 0; } .grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(266px, 1fr)); gap: 16px; } .tool-card { display: flex; flex-direction: column; gap: 9px; padding: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); transition: transform .15s ease, box-shadow .15s ease, border-color .15s; } .tool-card:hover { text-decoration: none; transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); } .tool-icon { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); } .tool-icon .ico { width: 21px; height: 21px; } .tool-card[data-cat="Security"] .tool-icon { background: var(--security-soft); color: var(--security); } .tool-card[data-cat="Organise"] .tool-icon { background: var(--organise-soft); color: var(--organise); } .tool-card[data-cat="Optimise"] .tool-icon { background: var(--optimise-soft); color: var(--optimise); } .tool-card[data-cat="Convert"] .tool-icon { background: var(--convert-soft); color: var(--convert); } .tool-card h3 { margin: 0; font-size: 1.02rem; } .tool-card p { margin: 0; font-size: .89rem; color: var(--text-muted); } .tag { align-self: flex-start; font-size: .68rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; padding: 3px 8px; border-radius: 5px; background: var(--security-soft); color: var(--security); } /* ---------- tool page ---------- */ .tool-hero { padding: 34px 0 18px; display: flex; gap: 18px; align-items: flex-start; } .tool-hero .tool-icon { width: 52px; height: 52px; border-radius: 13px; } .tool-hero .tool-icon .ico { width: 26px; height: 26px; } .tool-hero h1 { font-size: clamp(1.6rem, 3.4vw, 2.15rem); margin-bottom: 6px; } .tool-hero p { margin: 0; color: var(--text-muted); max-width: 720px; } .tool-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 22px; padding-bottom: 56px; } .panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; } .panel + .panel { margin-top: 16px; } .panel h3 { margin-top: 0; } .dropzone { border: 2px dashed var(--border-strong); border-radius: var(--radius); padding: 42px 20px; text-align: center; cursor: pointer; background: var(--surface-2); transition: border-color .15s, background .15s; position: relative; } .dropzone:hover, .dropzone.dragover { border-color: var(--brand); background: var(--brand-soft); } .dropzone .ico { width: 34px; height: 34px; color: var(--brand); margin-bottom: 8px; } .dropzone strong { display: block; font-size: 1.02rem; } .dropzone input[type=file] { display: none; } .filelist { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; } .filelist li { display: flex; align-items: center; gap: 11px; padding: 10px 13px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: .89rem; } .filelist .fname { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .filelist .fsize { color: var(--text-faint); font-size: .82rem; flex: none; } .filelist button { border: 0; background: none; color: var(--text-faint); cursor: pointer; padding: 3px; display: grid; place-items: center; border-radius: 5px; } .filelist button:hover { color: var(--danger); background: var(--danger-soft); } .filelist .drag { cursor: grab; color: var(--text-faint); } .filelist li.dragging { opacity: .45; } .field { margin-bottom: 15px; } .field label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: 5px; } .field .hint { font-size: .8rem; color: var(--text-faint); margin-top: 4px; } .field input[type=text], .field input[type=number], .field select { width: 100%; padding: 9px 11px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); font-family: inherit; font-size: .92rem; } .field input:focus, .field select:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); } .field.check { display: flex; align-items: flex-start; gap: 9px; } .field.check input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--brand); } .field.check label { font-weight: 500; margin: 0; } .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border-radius: var(--radius-sm); border: 1px solid transparent; background: var(--brand); color: var(--brand-text); font-weight: 650; font-size: .95rem; cursor: pointer; font-family: inherit; width: 100%; } .btn:hover:not(:disabled) { background: var(--brand-hover); text-decoration: none; } .btn:disabled { opacity: .55; cursor: not-allowed; } .btn.secondary { background: var(--surface); color: var(--text); border-color: var(--border-strong); } .btn.secondary:hover:not(:disabled) { background: var(--surface-2); } .btn.success { background: var(--success); color: #fff; } .spinner { width: 16px; height: 16px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; display: none; } .is-busy .spinner { display: block; } @keyframes spin { to { transform: rotate(360deg); } } .alert { padding: 13px 16px; border-radius: var(--radius-sm); font-size: .9rem; margin-top: 16px; } .alert.error { background: var(--danger-soft); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent); } .alert.ok { background: var(--success-soft); color: var(--success); border: 1px solid color-mix(in srgb, var(--success) 30%, transparent); } .result { margin-top: 18px; display: none; } .result.show { display: block; } .result-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; background: var(--surface-2); text-align: center; } .result-card .ico { width: 36px; height: 36px; color: var(--success); margin-bottom: 6px; } .report-frame { border: 1px solid var(--border); border-radius: var(--radius); padding: 4px; background: #fff; overflow-x: auto; margin-top: 14px; } .sidebar .panel { position: sticky; top: 80px; } .steps { list-style: none; margin: 0; padding: 0; counter-reset: s; } .steps li { counter-increment: s; padding-left: 34px; position: relative; margin-bottom: 12px; font-size: .89rem; color: var(--text-muted); } .steps li::before { content: counter(s); position: absolute; left: 0; top: -1px; width: 23px; height: 23px; border-radius: 50%; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; font-size: .76rem; font-weight: 700; } .privacy-note { display: flex; gap: 11px; padding: 14px; border-radius: var(--radius-sm); background: var(--success-soft); border: 1px solid color-mix(in srgb, var(--success) 26%, transparent); font-size: .85rem; color: var(--text); margin-top: 16px; } .privacy-note .ico { color: var(--success); width: 18px; height: 18px; } /* ---------- prose ---------- */ .prose { max-width: 760px; padding: 34px 0 60px; } .prose h2 { margin-top: 2em; } .prose ul { padding-left: 1.2em; } .prose li { margin-bottom: .45em; } .prose code { font-family: var(--mono); font-size: .87em; background: var(--surface-2); padding: 2px 6px; border-radius: 5px; border: 1px solid var(--border); } .prose table { width: 100%; border-collapse: collapse; margin: 1.2em 0; font-size: .9rem; } .prose th, .prose td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); } .prose th { font-weight: 650; color: var(--text-muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; } /* ---------- footer ---------- */ .site-footer { border-top: 1px solid var(--border); background: var(--surface); margin-top: 40px; } .footer-inner { display: grid; grid-template-columns: 1.6fr repeat(auto-fit, minmax(130px, 1fr)); gap: 28px; padding-top: 40px; padding-bottom: 28px; } .footer-heading { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-faint); font-weight: 700; margin-bottom: 10px; } .footer-col ul { list-style: none; margin: 0; padding: 0; } .footer-col li { margin-bottom: 7px; } .footer-col a { color: var(--text-muted); font-size: .89rem; } .footer-col a:hover { color: var(--brand); } .footer-brand p { margin-top: 10px; max-width: 280px; } .footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding-top: 16px; padding-bottom: 26px; border-top: 1px solid var(--border); } .footer-bottom p { margin: 0; } @media (max-width: 900px) { .tool-layout { grid-template-columns: 1fr; } .sidebar .panel { position: static; } .dropdown-menu { min-width: 0; width: calc(100vw - 40px); right: -8px; grid-template-columns: 1fr; max-height: 70vh; overflow-y: auto; } } @media (max-width: 620px) { .hero { padding: 44px 0 30px; } .site-nav .nav-link[href="/about"] { display: none; } .tool-hero { flex-direction: column; gap: 12px; } .footer-inner { grid-template-columns: 1fr 1fr; } }