:root{--color-primary: #1A2F5B;--color-primary-hover: #152548;--color-primary-light: #1A2F5B;--color-primary-bg: rgba(26, 47, 91, .1);--color-accent: #1A2F5B;--color-accent-hover: #152547;--color-success: #22c55e;--color-success-bg: rgba(34, 197, 94, .1);--color-warning: #f59e0b;--color-warning-bg: rgba(245, 158, 11, .1);--color-danger: #ef4444;--color-danger-bg: rgba(239, 68, 68, .1);--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--bg-elevated: #ffffff;--bg-hover: #e2e8f0;--text-primary: #1e293b;--text-secondary: #64748b;--text-muted: #9ca3af;--text-heading: #1A2F5B;--border-color: #e2e8f0;--border-light: #f1f5f9;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .1);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease;--nav-height: 72px;--sidebar-width: 320px;--preview-width: 400px;--content-max-width: 1200px}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-elevated: #1e293b;--bg-hover: #475569;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--text-heading: #e2e8f0;--border-color: #334155;--border-light: #1e293b;--color-primary-light: #93c5fd;--color-primary-bg: rgba(26, 47, 91, .25);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .4);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-family);font-size:var(--text-base);line-height:var(--line-height-normal);color:var(--text-primary);background-color:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:var(--font-semibold);line-height:var(--line-height-tight);color:var(--text-heading)}h1{font-size:var(--text-3xl)}h2{font-size:var(--text-2xl)}h3{font-size:var(--text-xl)}h4{font-size:var(--text-lg)}p{color:var(--text-secondary);line-height:var(--line-height-relaxed)}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover)}input,textarea,select,button{font-family:inherit;font-size:inherit}input,textarea,select{background:#f8fafc;border:2px solid #e5e7eb;border-radius:10px;padding:12px 16px;color:var(--text-primary);transition:all .2s;width:100%;font-size:16px}input:focus,textarea:focus,select:focus{outline:none;border-color:#1a2f5b;background:#fff;box-shadow:0 0 0 3px #1a2f5b1a}input::placeholder,textarea::placeholder{color:var(--text-muted)}button{cursor:pointer;border:none;border-radius:var(--radius-md);padding:var(--space-3) var(--space-6);font-weight:var(--font-medium);transition:all var(--transition-fast)}.btn-primary{background:#1a2f5b;color:#fff;font-weight:600}.btn-primary:hover{background:#152547}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-hover)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover{background:#dc2626}.main-nav{position:fixed;top:0;left:0;right:0;height:var(--nav-height);background:#fff;border-bottom:1px solid #e2e8f0;z-index:100;box-shadow:0 1px 3px #0000000d}.nav-inner{max-width:var(--content-max-width);margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-6)}.nav-brand{font-size:1.25rem;font-weight:700;color:#1a2f5b;text-decoration:none;display:flex;align-items:center;gap:8px}.nav-logo-icon,.nav-logo-wordmark{height:40px;width:auto;object-fit:contain}.nav-links{display:flex;align-items:center;gap:var(--space-6)}.nav-link{color:var(--text-secondary);text-decoration:none;font-size:.95rem;font-weight:var(--font-medium);transition:color var(--transition-fast);padding:6px 12px;border-radius:var(--radius-sm)}.nav-link:hover{color:#1a2f5b;background:#f1f5f9}.nav-link.active{color:#1a2f5b;font-weight:600;background:#eef2ff}.nav-link i{margin-right:6px}.nav-user{display:flex;align-items:center;gap:var(--space-3);margin-left:var(--space-2);padding-left:var(--space-4);border-left:1px solid #e2e8f0}@media (max-width: 768px){.main-nav{overflow-x:hidden}.nav-inner{padding:0 var(--space-3)}.nav-logo-icon{height:32px}.nav-logo-wordmark{height:18px}.nav-links{gap:var(--space-2);overflow-x:auto}.nav-link{font-size:.8rem;padding:4px 8px;white-space:nowrap}.nav-user{gap:var(--space-1);padding-left:var(--space-2);margin-left:var(--space-1)}.nav-user .btn-ghost{padding:6px 10px;font-size:.75rem}}.btn-ghost{background:none;border:1px solid #e2e8f0;color:var(--text-secondary);cursor:pointer;padding:8px 16px;border-radius:var(--radius-md);font-size:.9rem;font-weight:500;transition:all var(--transition-fast)}.btn-ghost:hover{background:#fef2f2;color:#ef4444;border-color:#fecaca}.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}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:#9ca3af}[data-theme=dark] body{background:var(--bg-primary);color:var(--text-primary)}[data-theme=dark] .main-nav{background:var(--bg-secondary);border-bottom-color:var(--border-color)}[data-theme=dark] input,[data-theme=dark] textarea,[data-theme=dark] select{background:var(--bg-tertiary);border-color:var(--border-color);color:var(--text-primary)}[data-theme=dark] input:focus,[data-theme=dark] textarea:focus,[data-theme=dark] select:focus{background:var(--bg-secondary);border-color:var(--color-primary)}[data-theme=dark] .btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-color)}[data-theme=dark] .btn-ghost{color:var(--text-secondary)}[data-theme=dark] .btn-ghost:hover{background:var(--bg-tertiary);color:var(--text-primary)}[data-theme=dark] .modal-overlay{background:#0009}[data-theme=dark] .modal{background:var(--bg-secondary)}[data-theme=dark] .modal-header{border-bottom-color:var(--border-color)}[data-theme=dark] .modal-header h3{color:var(--text-heading)}[data-theme=dark] .modal-footer{border-top-color:var(--border-color);background:var(--bg-tertiary)}[data-theme=dark] .modal-close{color:var(--text-muted)}[data-theme=dark] .modal-close:hover{background:var(--bg-tertiary);color:var(--text-primary)}[data-theme=dark] .nav-brand{color:var(--color-primary-light)}[data-theme=dark] .nav-link:hover,[data-theme=dark] .nav-link.active{color:var(--color-primary-light);background:var(--bg-tertiary)}[data-theme=dark] .modal-body label{color:var(--text-heading)}[data-theme=dark] input[type=color]{border:2px solid var(--border-color);border-radius:4px}[data-theme=dark] input[type=date],[data-theme=dark] input[type=time],[data-theme=dark] input[type=datetime-local],[data-theme=dark] select{color-scheme:dark;background:var(--bg-tertiary);border-color:var(--border-color);color:var(--text-primary)}.auto-save-status{display:inline-block;font-size:.7rem;margin-left:8px;vertical-align:middle;transition:opacity .3s}.auto-save-status:empty{display:none}.auto-save-status.saving{color:var(--text-muted, #94a3b8)}.auto-save-status.saved{color:#22c55e}.auto-save-status.error{color:#ef4444}.auto-save-status.fade-out{opacity:0}.back-breadcrumb{margin-bottom:12px}.back-breadcrumb a{font-size:.85rem;color:var(--color-primary, #1A2F5B);text-decoration:none;display:inline-flex;align-items:center;gap:6px;padding:4px 0;transition:opacity .15s}.back-breadcrumb a:hover{opacity:.7}[data-theme=dark] .back-breadcrumb a{color:#93c5fd!important}.tag-chip{display:inline-flex;align-items:center;gap:4px;font-size:.7rem;font-weight:500;padding:2px 8px;border-radius:10px;background:#f1f5f9;color:#475569;border:1px solid #e2e8f0;white-space:nowrap;line-height:1.4}.tag-clickable{cursor:pointer;transition:background .15s,color .15s,border-color .15s}.tag-clickable:hover{background:#e2e8f0;color:#1e293b}.tag-active{background:var(--color-primary-bg, rgba(26, 47, 91, .1));color:var(--color-primary, #1A2F5B);border-color:var(--color-primary, #1A2F5B)}.tag-remove{background:none;border:none;color:inherit;cursor:pointer;font-size:.85rem;padding:0 2px;line-height:1;opacity:.6;transition:opacity .15s}.tag-remove:hover{opacity:1}.tag-input-wrapper{position:relative;display:inline-block}.tag-input{font-size:.75rem!important;padding:3px 8px!important;border-radius:10px!important;width:120px!important;border:1px dashed #d1d5db!important;background:transparent!important}.tag-input:focus{border-style:solid!important;border-color:var(--color-primary, #1A2F5B)!important;width:160px!important}.tag-suggestions{position:fixed;min-width:160px;background:var(--bg-secondary, #ffffff);border:1px solid var(--border-color, #e2e8f0);border-radius:var(--radius-md, 8px);box-shadow:var(--shadow-lg);z-index:50;margin-top:4px;max-height:150px;overflow-y:auto}.tag-suggestion-item{padding:6px 10px;font-size:.75rem;cursor:pointer;color:var(--text-primary, #1e293b);transition:background .1s}.tag-suggestion-item:hover{background:var(--bg-tertiary, #f1f5f9)}.tag-filter-bar{display:flex;align-items:center;gap:8px;padding:8px 0;font-size:.8rem;color:var(--text-secondary, #64748b)}.tag-filter-bar .tag-chip{font-size:.75rem;padding:3px 10px}.card-tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}.tag-add-btn{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;border:1px dashed #d1d5db;background:none;color:#9ca3af;font-size:.5rem;cursor:pointer;transition:all .15s;padding:0;flex-shrink:0}.tag-add-btn:hover{border-color:var(--color-primary, #1A2F5B);color:var(--color-primary, #1A2F5B);background:var(--color-primary-bg, rgba(26, 47, 91, .1))}[data-theme=dark] .tag-add-btn{border-color:var(--border-color);color:var(--text-muted)}[data-theme=dark] .tag-add-btn:hover{border-color:var(--color-primary-light);color:var(--color-primary-light)}[data-theme=dark] .tag-chip{background:var(--bg-tertiary);color:var(--text-secondary);border-color:var(--border-color)}[data-theme=dark] .tag-clickable:hover{background:var(--bg-hover);color:var(--text-primary)}[data-theme=dark] .tag-active{background:var(--color-primary-bg);color:var(--color-primary-light);border-color:var(--color-primary-light)}[data-theme=dark] .tag-input{border-color:var(--border-color)!important;color:var(--text-primary)!important}[data-theme=dark] .tag-input:focus{border-color:var(--color-primary-light)!important}[data-theme=dark] .tag-suggestions{background:var(--bg-secondary);border-color:var(--border-color)}[data-theme=dark] .tag-suggestion-item:hover{background:var(--bg-tertiary)}.toast-container{position:fixed;bottom:16px;right:16px;z-index:10000;display:flex;flex-direction:column-reverse;gap:8px;pointer-events:none}.toast{display:flex;align-items:center;gap:10px;background:var(--bg-secondary, #ffffff);border:1px solid var(--border-color, #e2e8f0);border-radius:var(--radius-md, 8px);box-shadow:var(--shadow-lg);padding:12px 16px;min-width:300px;max-width:420px;position:relative;overflow:hidden;pointer-events:auto;opacity:0;transform:translate(100%);transition:none}.toast-enter{opacity:1;transform:translate(0);transition:opacity .3s ease-out,transform .3s ease-out}.toast-exit{opacity:0;transform:translate(100%);transition:opacity .25s ease-in,transform .25s ease-in}.toast-accent{position:absolute;left:0;top:0;bottom:0;width:4px}.toast-icon{font-size:1rem;flex-shrink:0}.toast-message{flex:1;font-size:var(--text-sm, .875rem);color:var(--text-primary, #1e293b);line-height:1.4}.toast-dismiss{background:none;border:none;color:var(--text-muted, #9ca3af);cursor:pointer;padding:4px;border-radius:4px;font-size:.75rem;flex-shrink:0;transition:color .15s,background .15s}.toast-dismiss:hover{color:var(--text-primary, #1e293b);background:var(--bg-tertiary, #f1f5f9)}.toast-progress{position:absolute;bottom:0;left:0;right:0;height:3px;background:transparent}.toast-progress-bar{height:100%;width:100%;transform-origin:left;animation:toast-progress-shrink linear forwards}@keyframes toast-progress-shrink{0%{transform:scaleX(1)}to{transform:scaleX(0)}}@media (max-width: 480px){.toast-container{left:16px;right:16px;bottom:16px}.toast{min-width:unset;max-width:unset}}[data-theme=dark] .toast{background:var(--bg-secondary);border-color:var(--border-color)}[data-theme=dark] .toast-dismiss:hover{background:var(--bg-tertiary);color:var(--text-primary)}