@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";:root{--color-bg-primary: #0f0f14;--color-bg-secondary: #16161e;--color-bg-tertiary: #1e1e28;--color-bg-elevated: #24243a;--color-accent-primary: #7c3aed;--color-accent-secondary: #a855f7;--color-accent-glow: rgba(124, 58, 237, .5);--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-text-primary: #f5f5f7;--color-text-secondary: #a1a1aa;--color-text-muted: #71717a;--color-border: rgba(255, 255, 255, .06);--color-border-hover: rgba(255, 255, 255, .12);--glass-bg: rgba(30, 30, 40, .7);--glass-border: rgba(255, 255, 255, .08);--glass-blur: blur(20px);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 20px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .5);--shadow-glow: 0 0 30px var(--color-accent-glow);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-bg-elevated);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-accent-primary)}a{color:var(--color-accent-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:.75rem 1.5rem;font-size:.875rem;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--transition-normal);outline:none;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--color-accent-primary),var(--color-accent-secondary));color:#fff;box-shadow:var(--shadow-sm),0 0 20px var(--color-accent-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-md),0 0 30px var(--color-accent-glow)}.btn-secondary{background:var(--glass-bg);color:var(--color-text-primary);border:1px solid var(--color-border);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur)}.btn-secondary:hover{background:var(--color-bg-elevated);border-color:var(--color-border-hover)}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover{color:var(--color-text-primary);background:#ffffff0d}.btn-icon{padding:.625rem;width:40px;height:40px}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:var(--space-lg)}.input{width:100%;padding:.875rem 1rem;font-size:.9375rem;font-family:var(--font-sans);background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);transition:all var(--transition-fast);outline:none}.input:focus{border-color:var(--color-accent-primary);box-shadow:0 0 0 3px var(--color-accent-glow)}.input::placeholder{color:var(--color-text-muted)}.label{display:block;font-size:.875rem;font-weight:500;color:var(--color-text-secondary);margin-bottom:var(--space-sm)}.form-group{margin-bottom:var(--space-lg)}.container{width:100%;max-width:1400px;margin:0 auto;padding:0 var(--space-lg)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.animate-fade-in{animation:fadeIn var(--transition-normal) ease-out}.animate-slide-up{animation:slideUp var(--transition-slow) ease-out}.text-center{text-align:center}.text-muted{color:var(--color-text-muted)}.text-sm{font-size:.875rem}.font-mono{font-family:var(--font-mono)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.w-full{width:100%}.h-full{height:100%}.min-h-screen,#root{min-height:100vh}.navbar{position:sticky;top:0;z-index:100;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--color-border)}.navbar-container{max-width:1400px;margin:0 auto;padding:0 var(--space-lg);height:64px;display:flex;align-items:center;justify-content:space-between;gap:var(--space-xl)}.navbar-brand{display:flex;align-items:center;gap:var(--space-sm);color:var(--color-text-primary);text-decoration:none}.navbar-logo{display:flex}.brand-text{display:flex;flex-direction:column;line-height:1.1}.navbar-title{font-size:1.125rem;font-weight:700;background:linear-gradient(135deg,#fff,#a1a1aa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.navbar-subtitle{font-size:.625rem;font-weight:500;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.15em}.navbar-menu{display:flex;align-items:center;gap:var(--space-sm);flex:1;justify-content:center}.navbar-link{display:flex;align-items:center;gap:var(--space-sm);padding:.5rem 1rem;color:var(--color-text-secondary);text-decoration:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;transition:all var(--transition-fast)}.navbar-link:hover{color:var(--color-text-primary);background:#ffffff0d}.navbar-link-primary{background:linear-gradient(135deg,var(--color-accent-primary),var(--color-accent-secondary));color:#fff}.navbar-link-primary:hover{color:#fff;box-shadow:0 4px 15px var(--color-accent-glow)}.navbar-user{display:flex;align-items:center;gap:var(--space-md)}.navbar-user-info{display:flex;align-items:center;gap:var(--space-sm);color:var(--color-text-secondary);font-size:.875rem}.navbar-logout{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast)}.navbar-logout:hover{background:#ef44441a;border-color:var(--color-error);color:var(--color-error)}@media(max-width:768px){.navbar-menu,.navbar-title{display:none}}.btn-sm{padding:.5rem 1rem;font-size:.8125rem}.btn-lg{padding:1rem 2rem;font-size:1rem}.btn-loading{pointer-events:none;opacity:.7}.btn-disabled{opacity:.5;cursor:not-allowed}.btn-spinner{width:18px;height:18px;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:spin .6s linear infinite}.btn-danger{background:linear-gradient(135deg,#dc2626,#ef4444);color:#fff}.btn-danger:hover{box-shadow:0 4px 20px #ef444466}.btn-success{background:linear-gradient(135deg,#059669,#10b981);color:#fff}.btn-success:hover{box-shadow:0 4px 20px #10b98166}.input-wrapper{position:relative;display:flex;align-items:center}.input-icon{position:absolute;left:1rem;color:var(--color-text-muted);pointer-events:none;display:flex;align-items:center}.input-with-icon{padding-left:2.75rem}.input-error{border-color:var(--color-error)}.input-error:focus{box-shadow:0 0 0 3px #ef44444d}.input-error-text{display:block;margin-top:var(--space-xs);font-size:.8125rem;color:var(--color-error)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-lg);position:relative;overflow:hidden}.auth-container{width:100%;max-width:420px;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-xl);padding:var(--space-2xl);position:relative;z-index:1}.auth-header{text-align:center;margin-bottom:var(--space-xl)}.auth-logo{display:flex;justify-content:center;margin-bottom:var(--space-lg)}.auth-logo svg{width:56px;height:56px}.auth-title{font-size:1.75rem;font-weight:700;color:var(--color-text-primary);margin-bottom:var(--space-sm)}.auth-subtitle{color:var(--color-text-muted);font-size:.9375rem}.auth-form{display:flex;flex-direction:column;gap:var(--space-lg)}.auth-submit{width:100%;margin-top:var(--space-sm)}.auth-footer{text-align:center;margin-top:var(--space-xl);padding-top:var(--space-lg);border-top:1px solid var(--color-border);color:var(--color-text-muted);font-size:.875rem}.auth-footer a{color:var(--color-accent-primary);font-weight:500}.auth-bg-gradient{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:800px;height:800px;background:radial-gradient(ellipse at center,var(--color-accent-glow) 0%,transparent 70%);opacity:.3;pointer-events:none}.diagram-card{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-normal);cursor:pointer}.diagram-card-preview{height:180px;background:var(--color-bg-tertiary);display:flex;align-items:center;justify-content:center;padding:var(--space-md);overflow:hidden;border-bottom:1px solid var(--color-border)}.diagram-card-preview svg{max-width:100%;max-height:100%;opacity:.8}.diagram-card-markdown-preview{width:100%;height:100%;overflow:hidden;font-size:.5rem;transform:scale(.6);transform-origin:center center;pointer-events:none}.diagram-card-markdown-preview .mermaid-block{padding:0;background:transparent}.diagram-card-markdown-preview .mermaid-block svg{max-width:100%;max-height:140px}.diagram-card-markdown-preview h1,.diagram-card-markdown-preview h2,.diagram-card-markdown-preview h3{font-size:.9rem;margin:.25rem 0;color:var(--color-text-primary)}.diagram-card-markdown-preview p{font-size:.65rem;margin:.2rem 0;color:var(--color-text-muted)}.diagram-card-markdown-preview ul,.diagram-card-markdown-preview ol{font-size:.6rem;margin:.2rem 0;padding-left:1rem}.diagram-card-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-sm);color:var(--color-text-muted);opacity:.5}.diagram-card-empty span{font-size:.75rem}.diagram-card-content{padding:var(--space-lg)}.diagram-card-title{font-size:1rem;font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-sm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.diagram-card-title:hover{color:var(--color-accent-primary)}.diagram-card-meta{display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md)}.diagram-card-author,.diagram-card-date{display:flex;align-items:center;gap:var(--space-xs);font-size:.75rem;color:var(--color-text-muted)}.diagram-card-actions{display:flex;gap:var(--space-sm);padding-top:var(--space-md);border-top:1px solid var(--color-border)}.diagram-action-btn{display:flex;align-items:center;justify-content:center;width:34px;height:34px;background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast)}.diagram-action-btn:hover{background:var(--color-bg-elevated);color:var(--color-text-primary);border-color:var(--color-border-hover)}.diagram-action-danger:hover{background:#ef44441a;color:var(--color-error);border-color:var(--color-error)}.share-modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--space-lg)}.share-modal{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-xl);width:100%;max-width:560px;max-height:85vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 25px 50px -12px #00000080}.share-modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg);border-bottom:1px solid var(--color-border)}.share-modal-title{display:flex;align-items:center;gap:var(--space-sm);color:var(--color-text-primary)}.share-modal-title h2{font-size:1.125rem;font-weight:600;margin:0}.share-modal-title svg{color:var(--color-accent-primary)}.share-modal-close{background:transparent;border:none;color:var(--color-text-muted);cursor:pointer;padding:var(--space-xs);border-radius:var(--radius-md);transition:all var(--transition-fast)}.share-modal-close:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.share-modal-content{flex:1;overflow-y:auto;padding:var(--space-lg)}.public-share-section{background:linear-gradient(135deg,#7c3aed1a,#ec48991a);border:1px solid rgba(124,58,237,.3);border-radius:var(--radius-lg);padding:var(--space-lg);margin-bottom:var(--space-xl)}.public-share-header{display:flex;align-items:center;justify-content:space-between}.public-share-title{display:flex;align-items:center;gap:var(--space-sm);font-weight:600;color:var(--color-text-primary)}.public-share-title svg{color:var(--color-accent-primary)}.toggle-switch{position:relative;display:inline-block;width:48px;height:26px;cursor:pointer}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;inset:0;background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:26px;transition:all var(--transition-fast)}.toggle-slider:before{content:"";position:absolute;height:20px;width:20px;left:2px;bottom:2px;background:#fff;border-radius:50%;transition:all var(--transition-fast);box-shadow:0 2px 4px #0003}.toggle-switch input:checked+.toggle-slider{background:linear-gradient(135deg,var(--color-accent-primary),var(--color-accent-secondary));border-color:transparent}.toggle-switch input:checked+.toggle-slider:before{transform:translate(22px)}.public-link-container{margin-top:var(--space-md);overflow:hidden}.public-link-box{display:flex;align-items:center;gap:var(--space-sm);background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-sm) var(--space-md)}.public-link-box .link-icon{color:var(--color-text-muted);flex-shrink:0}.public-link-input{flex:1;background:transparent;border:none;color:var(--color-text-primary);font-size:.875rem;font-family:var(--font-mono);outline:none;min-width:0}.copy-btn,.regenerate-btn{background:transparent;border:none;color:var(--color-text-muted);cursor:pointer;padding:var(--space-xs);border-radius:var(--radius-sm);transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.copy-btn:hover{background:var(--color-accent-glow);color:var(--color-accent-primary)}.regenerate-btn:hover{background:var(--color-bg-elevated);color:var(--color-text-primary)}.regenerate-btn:disabled{opacity:.5;cursor:not-allowed}.regenerate-btn .spinning{animation:spin 1s linear infinite}.public-link-hint{font-size:.75rem;color:var(--color-text-muted);margin-top:var(--space-sm)}.public-disabled-hint{font-size:.875rem;color:var(--color-text-muted);margin-top:var(--space-sm)}.share-search-section{margin-bottom:var(--space-xl)}.share-search-box{display:flex;align-items:center;gap:var(--space-sm);background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-sm) var(--space-md)}.share-search-box:focus-within{border-color:var(--color-accent-primary);box-shadow:0 0 0 3px var(--color-accent-glow)}.share-search-box .search-icon{color:var(--color-text-muted)}.share-search-input{flex:1;background:transparent;border:none;color:var(--color-text-primary);font-size:.9375rem;outline:none}.share-search-input::placeholder{color:var(--color-text-muted)}.search-loader{animation:spin 1s linear infinite;color:var(--color-accent-primary)}.search-results{margin-top:var(--space-md);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}.search-result-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md);background:var(--color-bg-tertiary);border-bottom:1px solid var(--color-border);transition:background var(--transition-fast)}.search-result-item:last-child{border-bottom:none}.search-result-item:hover{background:var(--color-bg-elevated)}.no-results{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);padding:var(--space-xl);color:var(--color-text-muted);text-align:center}.user-info{display:flex;align-items:center;gap:var(--space-md)}.user-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--color-accent-primary),var(--color-accent-secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:1rem}.user-details{display:flex;flex-direction:column;gap:2px}.user-name{font-weight:500;color:var(--color-text-primary)}.user-email{font-size:.8125rem;color:var(--color-text-muted)}.current-shares-section{border-top:1px solid var(--color-border);padding-top:var(--space-lg)}.current-shares-section h3{font-size:.875rem;font-weight:600;color:var(--color-text-secondary);margin:0 0 var(--space-md) 0;text-transform:uppercase;letter-spacing:.05em}.shares-loading,.no-shares{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-xl);color:var(--color-text-muted)}.shares-loading .spinner{animation:spin 1s linear infinite}.shares-list{display:flex;flex-direction:column;gap:var(--space-sm)}.share-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md);background:var(--color-bg-tertiary);border-radius:var(--radius-md);border:1px solid var(--color-border)}.share-actions{display:flex;align-items:center;gap:var(--space-md)}.permission-badge{padding:.25rem .75rem;background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:.75rem;color:var(--color-text-secondary);text-transform:capitalize}.remove-btn{background:transparent;border:none;color:var(--color-text-muted);cursor:pointer;padding:var(--space-xs);border-radius:var(--radius-md);transition:all var(--transition-fast)}.remove-btn:hover{background:#ef44441a;color:#ef4444}.remove-btn:disabled{opacity:.5;cursor:not-allowed}.share-modal-footer{display:flex;justify-content:flex-end;padding:var(--space-lg);border-top:1px solid var(--color-border)}.move-modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--space-lg)}.move-modal{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-xl);width:100%;max-width:400px;max-height:70vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 25px 50px -12px #00000080}.move-modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg);border-bottom:1px solid var(--color-border)}.move-modal-title{display:flex;align-items:center;gap:var(--space-sm);color:var(--color-text-primary)}.move-modal-title h2{font-size:1.125rem;font-weight:600;margin:0}.move-modal-title svg{color:var(--color-accent-primary)}.move-modal-close{background:transparent;border:none;color:var(--color-text-muted);cursor:pointer;padding:var(--space-xs);border-radius:var(--radius-md);transition:all var(--transition-fast)}.move-modal-close:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.move-modal-content{flex:1;overflow-y:auto;padding:var(--space-lg)}.move-modal-subtitle{color:var(--color-text-muted);font-size:.875rem;margin:0 0 var(--space-md) 0}.move-loading{display:flex;align-items:center;justify-content:center;padding:var(--space-xl)}.move-loading .spinner{animation:spin 1s linear infinite;color:var(--color-accent-primary)}.folder-list{display:flex;flex-direction:column;gap:var(--space-xs)}.folder-option{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-md);background:var(--color-bg-tertiary);border:2px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.folder-option:hover{background:var(--color-bg-elevated)}.folder-option.selected{border-color:var(--color-accent-primary);background:var(--color-accent-glow)}.folder-option .folder-color-dot{width:12px;height:12px;border-radius:50%;flex-shrink:0}.folder-option span{flex:1;color:var(--color-text-primary);font-size:.875rem}.folder-option .folder-count{font-size:.75rem;color:var(--color-text-muted);background:var(--color-bg-secondary);padding:2px 6px;border-radius:var(--radius-full)}.no-folders{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);padding:var(--space-xl);color:var(--color-text-muted);text-align:center}.no-folders p{margin:0;font-size:.875rem}.move-modal-footer{display:flex;justify-content:flex-end;gap:var(--space-sm);padding:var(--space-lg);border-top:1px solid var(--color-border)}.folder-modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--space-lg)}.folder-modal{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-xl);width:100%;max-width:400px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 25px 50px -12px #00000080}.folder-modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg);border-bottom:1px solid var(--color-border)}.folder-modal-title{display:flex;align-items:center;gap:var(--space-sm);color:var(--color-text-primary)}.folder-modal-title h2{font-size:1.125rem;font-weight:600;margin:0}.folder-modal-close{background:transparent;border:none;color:var(--color-text-muted);cursor:pointer;padding:var(--space-xs);border-radius:var(--radius-md);transition:all 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var(--space-lg)}.dashboard-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:var(--space-xl)}.dashboard-title{font-size:2rem;font-weight:700;color:var(--color-text-primary);margin-bottom:var(--space-xs)}.dashboard-subtitle{color:var(--color-text-muted);font-size:.875rem}.dashboard-toolbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-lg);margin-bottom:var(--space-xl)}.search-box{position:relative;flex:1;max-width:400px}.search-icon{position:absolute;left:var(--space-md);top:50%;transform:translateY(-50%);color:var(--color-text-muted)}.search-input{width:100%;padding:.75rem 1rem .75rem 2.75rem;font-size:.9375rem;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);outline:none;transition:all var(--transition-fast)}.search-input:focus{border-color:var(--color-accent-primary);box-shadow:0 0 0 3px 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var(--color-border)}.dashboard-empty{text-align:center;padding:var(--space-2xl) var(--space-lg);background:var(--color-bg-secondary);border:1px dashed var(--color-border);border-radius:var(--radius-lg)}.empty-icon{font-size:3rem;margin-bottom:var(--space-lg)}.empty-title{font-size:1.25rem;font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-sm)}.empty-text{color:var(--color-text-muted);margin-bottom:var(--space-lg)}.empty-cta{margin-top:var(--space-md)}.dashboard-loading,.dashboard-error{display:flex;flex-direction:column;align-items:center;justify-content:center;height:50vh;gap:var(--space-md);color:var(--color-text-muted)}.loading-icon{animation:spin 1s linear infinite}.delete-modal-content{text-align:center}.delete-modal-content p:first-child{color:var(--color-text-primary);margin-bottom:var(--space-sm)}.delete-warning{color:var(--color-text-muted);font-size:.875rem;margin-bottom:var(--space-xl)}.delete-modal-content 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.error-code{font-family:var(--font-mono);font-size:.75rem;color:var(--color-text-muted);background:var(--color-bg-secondary);padding:var(--space-md);border-radius:var(--radius-sm);margin-top:var(--space-sm);overflow-x:auto}.inline-revise-toolbar{position:absolute;display:flex;align-items:center;gap:4px;padding:4px;background:linear-gradient(135deg,#7c3aedf2,#a855f7f2);border:1px solid rgba(255,255,255,.2);border-radius:8px;box-shadow:0 8px 32px #7c3aed66,0 0 0 1px #ffffff1a;z-index:1000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transform:translate(-50%)}.revise-trigger-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;background:#ffffff26;border:none;border-radius:6px;color:#fff;font-size:.8125rem;font-weight:500;cursor:pointer;transition:all .15s ease;white-space:nowrap}.revise-trigger-btn:hover{background:#ffffff40}.revise-trigger-btn svg{animation:sparkle 1.5s ease-in-out infinite}@keyframes 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var(--transition-fast)}.quick-action-btn:hover:not(:disabled){background:var(--color-bg-elevated);border-color:var(--color-accent-primary);color:var(--color-accent-primary)}.quick-action-btn:disabled{opacity:.5;cursor:not-allowed}.instruction-input{width:100%;padding:var(--space-md);background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:.9375rem;font-family:inherit;resize:vertical;min-height:80px;outline:none;transition:all var(--transition-fast)}.instruction-input:focus{border-color:var(--color-accent-primary);box-shadow:0 0 0 3px var(--color-accent-glow)}.instruction-input::placeholder{color:var(--color-text-muted)}.instruction-input:disabled{opacity:.6}.revise-modal-footer{display:flex;justify-content:flex-end;gap:var(--space-md);padding:var(--space-lg);border-top:1px solid 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var(--space-lg);padding-bottom:var(--space-md);border-bottom:1px solid var(--color-border);background:linear-gradient(135deg,#fff,#c4b5fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.markdown-body h2{font-size:1.5rem;font-weight:600;margin:var(--space-2xl) 0 var(--space-lg);color:var(--color-text-primary)}.markdown-body h3{font-size:1.25rem;font-weight:600;margin:var(--space-xl) 0 var(--space-md);color:var(--color-text-primary)}.markdown-body p{margin:var(--space-md) 0}.markdown-body a{color:var(--color-accent-primary);text-decoration:underline}.markdown-body a:hover{color:var(--color-accent-secondary)}.markdown-body strong{font-weight:600;color:var(--color-text-primary)}.markdown-body em{font-style:italic;color:var(--color-text-secondary)}.markdown-body ul,.markdown-body ol{margin:var(--space-md) 0;padding-left:var(--space-xl)}.markdown-body li{margin:var(--space-sm) 0}.markdown-body blockquote{border-left:4px solid 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var(--space-lg);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}.diagram-viewer-page .toolbar-left{display:flex;align-items:center;gap:var(--space-md)}.diagram-viewer-page .toolbar-title{display:flex;align-items:center;gap:var(--space-sm);color:var(--color-text-primary);font-weight:600;font-size:1.125rem}.diagram-viewer-page .toolbar-title svg{color:var(--color-accent-primary)}.diagram-viewer-page .toolbar-right{display:flex;align-items:center;gap:var(--space-sm)}.diagram-viewer-page .viewer-content{flex:1;display:flex;align-items:center;justify-content:center;padding:var(--space-xl);overflow:auto}.diagram-viewer-page .viewer-content.diagram-fullscreen{background:var(--color-bg-secondary)}.diagram-viewer-page .mermaid-preview{width:100%;max-width:1400px;height:auto;background:transparent;border:none}.diagram-viewer-page .mermaid-preview 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p{color:var(--color-text-muted);margin-bottom:var(--space-lg)}.public-viewer.markdown-viewer-page{min-height:100vh}.public-viewer .toolbar-author{color:var(--color-text-muted);font-size:.875rem;font-weight:400}.public-diagram-footer{padding:var(--space-lg);text-align:center;border-top:1px solid var(--color-border);background:var(--color-bg-secondary)}.public-diagram-footer p{color:var(--color-text-muted);font-size:.75rem;margin:0}.admin-users-page{min-height:calc(100vh - 64px);padding:var(--space-xl) 0}.admin-container{max-width:1400px;margin:0 auto;padding:0 var(--space-lg)}.admin-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:var(--space-xl)}.admin-title-section{display:flex;align-items:center;gap:var(--space-lg)}.admin-icon{width:56px;height:56px;border-radius:var(--radius-xl);background:linear-gradient(135deg,var(--color-accent-primary),var(--color-accent-secondary));display:flex;align-items:center;justify-content:center;color:#fff}.admin-title-section h1{font-size:2rem;font-weight:700;color:var(--color-text-primary);margin:0}.admin-title-section p{color:var(--color-text-muted);margin:0;margin-top:var(--space-xs);font-size:.875rem}.admin-toolbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-lg);margin-bottom:var(--space-xl)}.admin-toolbar .search-box{display:flex;align-items:center;gap:var(--space-sm);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-sm) var(--space-md);max-width:400px}.admin-toolbar .search-box:focus-within{border-color:var(--color-accent-primary);box-shadow:0 0 0 3px var(--color-accent-glow)}.admin-toolbar .search-icon{color:var(--color-text-muted)}.admin-toolbar .search-input{flex:1;background:transparent;border:none;color:var(--color-text-primary);font-size:.9375rem;outline:none}.admin-toolbar .search-input::placeholder{color:var(--color-text-muted)}.admin-loading,.admin-error{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:var(--space-md);color:var(--color-text-muted)}.admin-loading .spinner{animation:spin 1s linear infinite;color:var(--color-accent-primary)}.users-table-container{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-xl);overflow:hidden}.users-table{width:100%;border-collapse:collapse}.users-table th{text-align:left;padding:var(--space-md) var(--space-lg);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);background:var(--color-bg-tertiary);border-bottom:1px solid var(--color-border)}.users-table td{padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--color-border);color:var(--color-text-primary)}.users-table tr:last-child td{border-bottom:none}.users-table tr:hover td{background:var(--color-bg-tertiary)}.user-cell{display:flex;align-items:center;gap:var(--space-md)}.user-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--color-accent-primary),var(--color-accent-secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:.875rem}.user-name{font-weight:500}.email-cell,.date-cell{display:flex;align-items:center;gap:var(--space-sm);color:var(--color-text-secondary)}.email-cell svg,.date-cell svg{color:var(--color-text-muted)}.role-badge{display:inline-flex;align-items:center;gap:4px;padding:.25rem .75rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:500;text-transform:capitalize}.role-superadmin{background:#7c3aed26;color:#a78bfa;border:1px solid rgba(124,58,237,.3)}.role-admin{background:#3b82f626;color:#93c5fd;border:1px solid rgba(59,130,246,.3)}.role-user{background:#6b728026;color:#9ca3af;border:1px solid rgba(107,114,128,.3)}.no-results{text-align:center;padding:var(--space-2xl)!important;color:var(--color-text-muted)}.action-buttons{display:flex;align-items:center;gap:var(--space-sm)}.action-btn{background:transparent;border:none;padding:var(--space-sm);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);color:var(--color-text-muted)}.action-btn:hover{background:var(--color-bg-tertiary)}.action-btn.edit-btn:hover{color:var(--color-accent-primary)}.action-btn.delete-btn:hover{background:#ef44441a;color:#ef4444}.user-form{display:flex;flex-direction:column;gap:var(--space-lg)}.form-group{display:flex;flex-direction:column;gap:var(--space-xs)}.form-label{font-size:.875rem;font-weight:500;color:var(--color-text-secondary)}.form-select{padding:.75rem 1rem;background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:.9375rem;outline:none;cursor:pointer;transition:all var(--transition-fast)}.form-select:focus{border-color:var(--color-accent-primary);box-shadow:0 0 0 3px var(--color-accent-glow)}.form-select option{background:var(--color-bg-secondary);color:var(--color-text-primary)}.delete-modal-content{display:flex;flex-direction:column;gap:var(--space-md)}.delete-modal-content p{color:var(--color-text-secondary);margin:0}.delete-warning{font-size:.875rem;color:#ef4444!important}.modal-actions{display:flex;justify-content:flex-end;gap:var(--space-md);margin-top:var(--space-md)}@keyframes spin{to{transform:rotate(360deg)}}