@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Lora:ital,wght@0,400;0,500;0,600;1,400;1,500&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{min-height:100vh;line-height:var(--leading-normal)}img,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}a{color:inherit;text-decoration:none}ul,ol{list-style:none}h1,h2,h3,h4,h5,h6{font-weight:var(--weight-semibold);line-height:var(--leading-tight)}:root{--color-bg-primary: #0f0f11;--color-bg-secondary: #18181b;--color-bg-surface: #1e1e22;--color-bg-elevated: #27272b;--color-bg-hover: #2e2e33;--color-text-primary: #e8e8ed;--color-text-secondary: #a1a1aa;--color-text-muted: #6b6b76;--color-text-inverse: #0f0f11;--color-border: #2a2a30;--color-border-subtle: #1f1f24;--color-accent: #7c6ef0;--color-accent-hover: #9589f5;--color-accent-muted: rgba(124, 110, 240, .15);--color-success: #4ade80;--color-warning: #fbbf24;--color-danger: #f87171;--font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-writing: "Lora", "Georgia", "Cambria", serif;--text-xs: .75rem;--text-sm: .8125rem;--text-base: .9375rem;--text-lg: 1.125rem;--text-xl: 1.5rem;--text-2xl: 2rem;--leading-tight: 1.3;--leading-normal: 1.6;--leading-relaxed: 1.8;--weight-normal: 400;--weight-medium: 500;--weight-semibold: 600;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-6: 1.5rem;--space-8: 2rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .25);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .3);--transition-fast: .12s ease;--transition-base: .2s ease;--transition-slow: .35s ease;--content-max-width: 720px;--editor-min-height: 60vh}[data-theme=light]{--color-bg-primary: #fafaf9;--color-bg-secondary: #f5f5f4;--color-bg-surface: #ffffff;--color-bg-elevated: #ffffff;--color-bg-hover: #e7e5e4;--color-text-primary: #1c1917;--color-text-secondary: #57534e;--color-text-muted: #a8a29e;--color-text-inverse: #fafaf9;--color-border: #e7e5e4;--color-border-subtle: #f5f5f4;--color-accent: #6d5dd3;--color-accent-hover: #5b4cbf;--color-accent-muted: rgba(109, 93, 211, .1);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .08)}body{font-family:var(--font-ui);font-size:var(--text-base);font-weight:var(--weight-normal);color:var(--color-text-primary);background-color:var(--color-bg-primary);transition:background-color var(--transition-base),color var(--transition-base)}::selection{background:var(--color-accent-muted);color:var(--color-text-primary)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-sm)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}#root{min-height:100vh;display:flex;flex-direction:column}.app-header{position:fixed;top:0;left:0;right:0;z-index:100;height:48px;display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-4);background-color:var(--color-bg-primary);border-bottom:1px solid var(--color-border-subtle);transition:background-color var(--transition-base),border-color var(--transition-base)}.app-title{font-family:var(--font-ui);font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--color-text-muted);letter-spacing:.08em;text-transform:uppercase;-webkit-user-select:none;user-select:none}.header-actions{display:flex;align-items:center;gap:var(--space-2)}.theme-toggle{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-md);color:var(--color-text-muted);transition:color var(--transition-fast),background-color var(--transition-fast)}.theme-toggle:hover{color:var(--color-text-secondary);background-color:var(--color-bg-hover)}.app-body{display:grid;grid-template-columns:220px 1fr 220px;grid-template-areas:"left center right";min-height:100vh;padding-top:48px}.sidebar{position:sticky;top:48px;height:calc(100vh - 48px);overflow-y:auto;padding:var(--space-4);border-right:1px solid var(--color-border-subtle);background-color:var(--color-bg-primary);transition:background-color var(--transition-base),border-color var(--transition-base)}.sidebar--left{grid-area:left}.sidebar--right{grid-area:right;border-right:none;border-left:1px solid var(--color-border-subtle)}.editor-column{grid-area:center;min-height:calc(100vh - 48px);padding:var(--space-8) var(--space-6);border-left:1px solid var(--color-border-subtle);border-right:1px solid var(--color-border-subtle)}.section-placeholder{border:1px dashed var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:var(--text-sm);font-weight:var(--weight-medium);letter-spacing:.02em;transition:border-color var(--transition-base)}.section-placeholder--editor{min-height:80vh}.section-placeholder--sidebar{min-height:200px}.editor-container{width:100%;max-width:var(--content-max-width);margin:0 auto}.write-space-editor{min-height:var(--editor-min-height);outline:none;font-family:var(--font-writing);font-size:var(--text-lg);line-height:var(--leading-relaxed);color:var(--color-text-primary);padding-bottom:var(--space-16)}.write-space-editor p{margin-top:0;margin-bottom:var(--space-6)}.write-space-editor h1,.write-space-editor h2,.write-space-editor h3,.write-space-editor h4{font-family:var(--font-ui);color:var(--color-text-primary);margin-top:var(--space-8);margin-bottom:var(--space-4);line-height:var(--leading-tight);font-weight:var(--weight-semibold)}.write-space-editor h1{font-size:var(--text-2xl)}.write-space-editor h2{font-size:var(--text-xl)}.write-space-editor p.is-editor-empty:first-child:before{color:var(--color-text-muted);content:attr(data-placeholder);float:left;height:0;pointer-events:none}.write-space-editor *::selection{background-color:var(--color-accent-muted)}.formatting-menu{display:flex;align-items:center;gap:var(--space-1);background-color:var(--color-bg-elevated);padding:var(--space-1) var(--space-2);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--color-border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.menu-button{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-md);color:var(--color-text-primary);background-color:transparent;font-family:var(--font-ui);font-size:var(--text-base);transition:all var(--transition-fast);cursor:pointer}.menu-button:hover{background-color:var(--color-bg-hover)}.menu-button.is-active{background-color:var(--color-accent-muted);color:var(--color-accent)}.menu-divider{width:1px;height:20px;background-color:var(--color-border);margin:0 var(--space-1)}