:root,[data-theme=dark]{--color-bg: #0f1114;--color-surface-0: #161a1f;--color-surface-1: #1c2128;--color-surface-2: #242a33;--color-surface-3: #2d3440;--color-border: #3a4250;--color-border-subtle: #2a3040;--color-text: #e6e8ed;--color-text-secondary: #9ba3b0;--color-text-muted: #6b7280;--color-text-inverse: #0f1114;--color-accent: #f0a830;--color-accent-hover: #f5bc58;--color-accent-muted: rgba(240, 168, 48, .15);--color-accent-text: #0f1114;--color-success: #34d399;--color-warning: #fbbf24;--color-error: #f87171;--color-info: #60a5fa;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .6);--shadow-accent-glow: 0 0 20px rgba(240, 168, 48, .12);--scrollbar-track: var(--color-surface-0);--scrollbar-thumb: var(--color-surface-3)}[data-theme=light]{--color-bg: #f5f5f0;--color-surface-0: #ffffff;--color-surface-1: #f0ede8;--color-surface-2: #e8e4de;--color-surface-3: #d9d4cc;--color-border: #c8c2b8;--color-border-subtle: #ddd8d0;--color-text: #1a1a1a;--color-text-secondary: #555555;--color-text-muted: #888888;--color-text-inverse: #ffffff;--color-accent: #c8880a;--color-accent-hover: #b07808;--color-accent-muted: rgba(200, 136, 10, .12);--color-accent-text: #ffffff;--color-success: #16a34a;--color-warning: #d97706;--color-error: #dc2626;--color-info: #2563eb;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--shadow-accent-glow: 0 0 20px rgba(200, 136, 10, .08);--scrollbar-track: var(--color-surface-1);--scrollbar-thumb: var(--color-surface-3)}:root{--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--sidebar-width: 220px;--mirror-width: 340px;--header-height: 56px;--font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Cascadia Code", "Fira Code", monospace;--font-size-xs: .75rem;--font-size-sm: .8125rem;--font-size-base: .9375rem;--font-size-lg: 1.125rem;--font-size-xl: 1.375rem;--font-size-2xl: 1.75rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-body);font-size:16px;line-height:1.6;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{min-height:100vh;overflow:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:var(--radius-full)}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-sm)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-semibold);line-height:1.3;color:var(--color-text)}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-hover)}code,pre{font-family:var(--font-mono);font-size:var(--font-size-sm)}input[type=text],textarea,select{width:100%;padding:var(--space-sm) var(--space-md);font-family:var(--font-body);font-size:var(--font-size-base);color:var(--color-text);background:var(--color-surface-1);border:1px solid var(--color-border-subtle);border-radius:var(--radius-sm);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);line-height:1.6}:is(input[type=text],textarea,select):hover{border-color:var(--color-border)}:is(input[type=text],textarea,select):focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-muted)}:is(input[type=text],textarea,select)::placeholder{color:var(--color-text-muted)}textarea{resize:vertical;min-height:100px}label{display:block;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);margin-bottom:var(--space-xs);letter-spacing:.02em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);font-family:var(--font-body);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text);background:var(--color-surface-2);border:1px solid var(--color-border-subtle);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;line-height:1.4}.btn:hover{background:var(--color-surface-3);border-color:var(--color-border)}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-accent{color:var(--color-accent-text);background:var(--color-accent);border-color:var(--color-accent)}.btn-accent:hover{background:var(--color-accent-hover);border-color:var(--color-accent-hover)}.btn-ghost{background:transparent;border-color:transparent;color:var(--color-text-secondary)}.btn-ghost:hover{background:var(--color-accent-muted);color:var(--color-accent)}.btn-icon{width:36px;height:36px;padding:0;border-radius:var(--radius-sm);font-size:var(--font-size-lg)}.btn-sm{padding:var(--space-xs) var(--space-sm);font-size:var(--font-size-xs)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}