:root { /* Palette — light (default) */ --canvas: #FAFAF9; --canvas-2: #F5F5F4; --card: #FFFFFF; --ink: #111827; --ink-2: #4B5563; --ink-3: #9CA3AF; --border: #E5E7EB; --border-strong: #D1D5DB; --teal: #0D9488; /* runtime / active */ --teal-ink: #134E4A; --teal-bg: #F0FDFA; --indigo: #6366F1; /* static */ --indigo-ink: #3730A3; --indigo-bg: #EEF2FF; --danger: #B91C1C; --danger-bg: #FEF2F2; --warn: #92400E; --success: #065F46; /* Spacing / radii */ --r-sm: 6px; --r: 10px; --r-lg: 16px; --shadow-xs: 0 1px 2px rgba(17,24,39,.04); --shadow-sm: 0 1px 2px rgba(17,24,39,.06), 0 1px 1px rgba(17,24,39,.03); --shadow-md: 0 4px 12px rgba(17,24,39,.06), 0 2px 4px rgba(17,24,39,.04); --shadow-lg: 0 12px 40px rgba(17,24,39,.10), 0 4px 12px rgba(17,24,39,.06); --font-ui: 'Inter', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; --ease: cubic-bezier(.2,.7,.2,1); /* Theme transition — applied via after init script runs */ color-scheme: light; } [data-theme="dark"] { /* Palette — dark */ --canvas: #0B0F13; --canvas-2: #111821; --card: #1A2130; --ink: #F5F5F4; --ink-2: #9CA3AF; --ink-3: #6B7280; --border: #2A3441; --border-strong: #3A4757; --teal: #2DD4BF; --teal-ink: #5EEAD4; --teal-bg: #042F2E; --indigo: #818CF8; --indigo-ink: #C7D2FE; --indigo-bg: #1E1B4B; --danger: #F87171; --danger-bg: #2D1313; --warn: #FBBF24; --success: #34D399; --shadow-xs: 0 1px 2px rgba(0,0,0,.35); --shadow-sm: 0 1px 2px rgba(0,0,0,.40), 0 1px 1px rgba(0,0,0,.25); --shadow-md: 0 4px 12px rgba(0,0,0,.45), 0 2px 4px rgba(0,0,0,.30); --shadow-lg: 0 12px 40px rgba(0,0,0,.55), 0 4px 12px rgba(0,0,0,.40); color-scheme: dark; } /* Theme transitions only AFTER the init script sets .theme-ready — prevents a flash of animated recolor when the stored-theme is applied on first paint. */ html.theme-ready, html.theme-ready body, html.theme-ready .card, html.theme-ready .btn, html.theme-ready input, html.theme-ready select, html.theme-ready .site-header, html.theme-ready .app-header, html.theme-ready .project-view, html.theme-ready table.errors thead th, html.theme-ready table.errors tbody td { transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease); } * { box-sizing: border-box; } html, body { margin: 0; padding: 0; font-family: var(--font-ui); color: var(--ink); background: var(--canvas); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; } body { min-height: 100vh; font-size: 16px; line-height: 1.55; } a { color: var(--teal); text-decoration: none; transition: color .15s var(--ease); } a:hover { color: var(--teal-ink); } h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.02em; color: var(--ink); } h1 { font-size: 48px; line-height: 1.1; letter-spacing: -0.03em; } h2 { font-size: 32px; line-height: 1.15; } h3 { font-size: 22px; line-height: 1.3; } h4 { font-size: 17px; line-height: 1.4; } p { margin: 0; } code, pre, .mono { font-family: var(--font-mono); } code { font-size: 0.9em; } /* ---------- Buttons ---------- */ .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border-radius: var(--r); border: 1px solid transparent; font-family: var(--font-ui); font-size: 15px; font-weight: 500; line-height: 1; cursor: pointer; transition: all .15s var(--ease); text-decoration: none; background: var(--card); color: var(--ink); } .btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); } .btn:active { transform: translateY(0); } .btn-primary { background: var(--ink); color: white; border-color: var(--ink); } .btn-primary:hover { background: #000; color: white; } .btn-accent { background: var(--teal); color: white; border-color: var(--teal); } .btn-accent:hover { background: var(--teal-ink); color: white; } .btn-ghost { background: transparent; border-color: var(--border); } .btn-ghost:hover { background: var(--card); } .btn-sm { padding: 7px 12px; font-size: 13px; } .btn-lg { padding: 14px 22px; font-size: 16px; } /* ---------- Forms ---------- */ .input, input[type="email"], input[type="password"], input[type="text"] { width: 100%; padding: 11px 13px; border: 1px solid var(--border-strong); border-radius: var(--r); font-family: var(--font-ui); font-size: 15px; background: var(--card); color: var(--ink); transition: border-color .15s var(--ease), box-shadow .15s var(--ease); } .input:focus, input:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(13,148,136,.15); } .label { display: block; font-size: 13px; font-weight: 500; color: var(--ink-2); margin-bottom: 6px; } /* ---------- Cards / panels ---------- */ .card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 24px; box-shadow: var(--shadow-sm); } /* ---------- Overlay (replaces confirm()) ---------- */ .overlay { position: fixed; inset: 0; background: rgba(17,24,39,.4); backdrop-filter: blur(3px); display: flex; align-items: center; justify-content: center; z-index: 1000; opacity: 0; pointer-events: none; transition: opacity .2s var(--ease); } .overlay.visible { opacity: 1; pointer-events: auto; } .overlay .dialog { width: 400px; max-width: 90vw; background: var(--card); border-radius: var(--r-lg); padding: 28px; box-shadow: var(--shadow-lg); transform: translateY(8px); transition: transform .2s var(--ease); } .overlay.visible .dialog { transform: translateY(0); } .overlay .dialog h3 { margin-bottom: 10px; } .overlay .dialog p { color: var(--ink-2); margin-bottom: 18px; } .overlay .actions { display: flex; gap: 10px; justify-content: flex-end; } /* ---------- Utility ---------- */ .container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; } .container-narrow { max-width: 720px; } .muted { color: var(--ink-2); } .tiny { font-size: 13px; color: var(--ink-3); } .center { text-align: center; } .flex { display: flex; gap: 12px; align-items: center; } .flex-col { display: flex; flex-direction: column; gap: 12px; } .stack-4 > * + * { margin-top: 4px; } .stack-8 > * + * { margin-top: 8px; } .stack-12 > * + * { margin-top: 12px; } .stack-16 > * + * { margin-top: 16px; } .stack-24 > * + * { margin-top: 24px; } .stack-40 > * + * { margin-top: 40px; } .pill { display: inline-flex; padding: 3px 10px; font-size: 12px; font-weight: 500; border-radius: 999px; background: var(--indigo-bg); color: var(--indigo-ink); border: 1px solid rgba(99,102,241,.2); } .pill.teal { background: var(--teal-bg); color: var(--teal-ink); border-color: rgba(13,148,136,.2); } /* ---------- Typography shades ---------- */ .kicker { text-transform: uppercase; letter-spacing: 0.08em; font-size: 12px; font-weight: 600; color: var(--teal); } /* Scrollbar polish */ ::-webkit-scrollbar { width: 10px; height: 10px; } ::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; } ::-webkit-scrollbar-thumb:hover { background: var(--ink-3); } ::-webkit-scrollbar-track { background: transparent; } /* ---------- Theme toggle ---------- */ .theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; padding: 0; border-radius: var(--r); border: 1px solid var(--border); background: var(--card); color: var(--ink-2); cursor: pointer; transition: background .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease); } .theme-toggle:hover { color: var(--ink); border-color: var(--border-strong); } .theme-toggle svg { width: 16px; height: 16px; } .theme-toggle .sun { display: none; } .theme-toggle .moon { display: block; } [data-theme="dark"] .theme-toggle .sun { display: block; } [data-theme="dark"] .theme-toggle .moon { display: none; }