:root{color-scheme:light;--wf-bg: #ffffff;--wf-fg: #1a1a1a;--wf-strong: #000000;--wf-muted: var(--wf-strong);--wf-faint: var(--wf-strong);--wf-card-bg: #ffffff;--wf-card-border: #cccccc;--wf-border-color: #14274e;--wf-border-width: 2px;--wf-border: var(--wf-border-width) solid var(--wf-border-color);--wf-chip-bg: #e4e4e4;--wf-info-bg: #eef6f0;--wf-info-border: #cfe6d8;--wf-accent: var(--wf-brand);--wf-accent-fg: var(--wf-brand-fg)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){color-scheme:dark;--wf-bg: #16181c;--wf-fg: #e8e8e8;--wf-strong: #ffffff;--wf-card-bg: #23262b;--wf-card-border: #3a3f45;--wf-border-color: #4db8e8;--wf-border-width: 1px;--wf-chip-bg: #33383e;--wf-info-bg: #17301f;--wf-info-border: #2b4f3a;--wf-accent: var(--wf-brand);--wf-accent-fg: var(--wf-brand-fg)}}:root[data-theme=dark]{color-scheme:dark;--wf-bg: #16181c;--wf-fg: #e8e8e8;--wf-strong: #ffffff;--wf-card-bg: #23262b;--wf-card-border: #3a3f45;--wf-chip-bg: #33383e;--wf-info-bg: #17301f;--wf-info-border: #2b4f3a;--wf-accent: var(--wf-brand);--wf-accent-fg: var(--wf-brand-fg)}:root{--wf-brand: #1668d6;--wf-brand-strong: #0f2f7a;--wf-brand-fg: #ffffff;--wf-cyan: #0c93c9;--wf-tagline: #0b3ea3;--wf-logo-shadow: drop-shadow(0 2px 6px rgba(120,120,130,.42));--wf-glow: rgba(22,104,214,.45);--wf-brand-tint: #e7f0fb;--wf-screen-bg: radial-gradient(120% 90% at 50% 0%, #eef4fb 0%, #e6edf6 55%, #dbe4f0 100%)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--wf-brand: #2f8fff;--wf-brand-strong: #ffffff;--wf-cyan: #33e1ff;--wf-tagline: #33e1ff;--wf-logo-shadow: none;--wf-glow: rgba(51,225,255,.55);--wf-brand-tint: #18334f;--wf-screen-bg: radial-gradient(120% 90% at 50% 0%, #12202b 0%, #0a1016 60%, #070b0f 100%)}}:root[data-theme=dark]{--wf-brand: #2f8fff;--wf-brand-strong: #ffffff;--wf-cyan: #33e1ff;--wf-tagline: #33e1ff;--wf-logo-shadow: none;--wf-glow: rgba(51,225,255,.55);--wf-brand-tint: #18334f;--wf-screen-bg: radial-gradient(120% 90% at 50% 0%, #12202b 0%, #0a1016 60%, #070b0f 100%)}body{margin:0;background:var(--wf-bg);color:var(--wf-fg);transition:background .15s ease,color .15s ease}input,select,textarea{color:var(--wf-strong);background-color:var(--wf-card-bg)}input::placeholder,textarea::placeholder{color:var(--wf-strong);opacity:1}.wf-theme-toggle{position:fixed;top:12px;right:12px;z-index:1000;padding:.4rem .7rem;border-radius:999px;border:var(--wf-border);background:var(--wf-card-bg);color:var(--wf-fg);font:600 .8rem system-ui,sans-serif;cursor:pointer}