:root{--color-bg: #F8F5F0;--color-text: #201A14;--color-accent: #5A7A6A;--color-accent-dark: #3D5C4E;--color-accent-light:#7A9A8A;--color-sidebar-bg: #EEF2EE;--color-card-bg: #FFFFFF;--color-border: #E2DDD8;--color-muted: #6B6560;--color-link: #5A7A6A;--color-link-hover: #3D5C4E;--color-tag-bg: #E8EDE8;--color-tag-text: #3D5C4E;--color-crisis-bg: #FFF3F3;--color-crisis-border:#E57373;--color-crisis-text: #C62828;--color-progress: #5A7A6A;--color-overlay: rgba(32, 26, 20, .5);--font-sans: "Inter", "DM Sans", system-ui, -apple-system, sans-serif;--font-size-base: 17px;--font-size-sm: 14px;--font-size-xs: 12px;--font-size-lg: 19px;--font-size-xl: 22px;--font-size-2xl: 28px;--font-size-3xl: 36px;--font-size-4xl: 44px;--line-height-body: 1.75;--line-height-heading: 1.2;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--space-20: 80px;--sidebar-width: 240px;--content-max-width: 740px;--card-radius: 8px;--radius-sm: 4px;--radius-lg: 12px;--radius-full: 9999px;--shadow-card: 0 1px 3px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.05);--shadow-card-hover: 0 4px 12px rgba(0,0,0,.12), 0 2px 4px rgba(0,0,0,.06);--shadow-sidebar: 2px 0 8px rgba(0,0,0,.04);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease;--z-sidebar: 100;--z-header: 200;--z-overlay: 300;--z-modal: 400;--z-progress: 500}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:var(--font-size-base);scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:var(--font-size-base);line-height:var(--line-height-body);color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--color-link);text-decoration:underline;text-underline-offset:2px;transition:color var(--transition-fast)}a:hover{color:var(--color-link-hover)}img{max-width:100%;height:auto;display:block}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-bold);line-height:var(--line-height-heading);color:var(--color-text)}#reading-progress{position:fixed;top:0;left:0;width:0%;height:3px;background:var(--color-progress);z-index:var(--z-progress);transition:width .1s linear}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-muted)}