:root{--color-bg: #ffffff;--color-text: #1a1a2e;--color-text-muted: #64748b;--color-primary: #6366f1;--color-primary-hover: #4f46e5;--color-secondary: #8b5cf6;--color-surface: #f8fafc;--color-surface-hover: #f1f5f9;--color-border: #e2e8f0;--color-success: #10b981;--color-danger: #ef4444;--color-warning: #f59e0b;--color-info: #3b82f6;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.05);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--transition-fast: .15s ease;--transition-normal: .25s ease;--navbar-height: 64px;--sidebar-width: 260px}[data-theme=dark]{--color-bg: #0f0f23;--color-text: #e2e8f0;--color-text-muted: #94a3b8;--color-primary: #818cf8;--color-primary-hover: #a5b4fc;--color-secondary: #a78bfa;--color-surface: #1e1e3a;--color-surface-hover: #2a2a4a;--color-border: #334155;--shadow-sm: 0 1px 2px rgba(0,0,0,.3);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.4);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.5)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:Arial,Helvetica,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh;transition:background var(--transition-normal),color var(--transition-normal)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-hover)}img{max-width:100%;height:auto;display:block}ul,ol{list-style:none}h1{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:800;line-height:1.2;letter-spacing:-.02em}h2{font-size:clamp(1.35rem,3vw,1.85rem);font-weight:700;line-height:1.3}h3{font-size:clamp(1.1rem,2.5vw,1.4rem);font-weight:600;line-height:1.4}p{line-height:1.7;margin-bottom:var(--space-md);color:var(--color-text)}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-lg)}.grid-2{display:grid;grid-template-columns:1fr;gap:var(--space-lg)}@media(min-width:768px){.grid-2{grid-template-columns:repeat(2,1fr)}}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-lg);box-shadow:var(--shadow-sm);transition:transform var(--transition-normal),box-shadow var(--transition-normal)}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn{display:inline-flex;align-items:center;gap:var(--space-sm);padding:.6rem 1.2rem;font-size:.9rem;font-weight:600;font-family:inherit;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);text-decoration:none}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover);color:#fff;transform:translateY(-1px)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-surface-hover)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover{opacity:.9}.btn-sm{padding:.35rem .75rem;font-size:.8rem}.btn-icon{padding:.5rem;border-radius:50%;background:transparent;border:none;cursor:pointer;color:var(--color-text-muted);transition:all var(--transition-fast)}.btn-icon:hover{background:var(--color-surface-hover);color:var(--color-text)}.form-group{margin-bottom:var(--space-md)}.form-label{display:block;font-size:.85rem;font-weight:600;margin-bottom:var(--space-xs);color:var(--color-text)}.input,.select,.textarea{width:100%;padding:.6rem .85rem;font-size:.9rem;font-family:inherit;background:var(--color-bg);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f126}.textarea{min-height:100px;resize:vertical}.select{cursor:pointer}.badge{display:inline-flex;align-items:center;padding:.2rem .6rem;font-size:.75rem;font-weight:600;border-radius:9999px;text-transform:capitalize}.badge-success{background:#10b98126;color:var(--color-success)}.badge-info{background:#3b82f626;color:var(--color-info)}.badge-warning{background:#f59e0b26;color:var(--color-warning)}.badge-danger{background:#ef444426;color:var(--color-danger)}.badge-neutral{background:#64748b26;color:var(--color-text-muted)}.alert{padding:var(--space-md) var(--space-lg);border-radius:var(--radius-sm);margin-bottom:var(--space-lg);font-size:.9rem;font-weight:500;animation:slideDown .3s ease}.alert-success{background:#10b9811a;color:var(--color-success);border:1px solid rgba(16,185,129,.25)}.alert-error{background:#ef44441a;color:var(--color-danger);border:1px solid rgba(239,68,68,.25)}.navbar{position:sticky;top:0;z-index:100;height:var(--navbar-height);background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);display:flex;align-items:center;padding:0 var(--space-lg);transition:background var(--transition-normal)}[data-theme=dark] .navbar{background:#0f0f23d9}.navbar-brand{font-size:1.25rem;font-weight:800;color:var(--color-text);letter-spacing:-.02em}.navbar-brand:hover{color:var(--color-primary)}.navbar-nav{display:flex;align-items:center;gap:var(--space-md);margin-left:auto}.navbar-link{font-size:.9rem;color:var(--color-text-muted);font-weight:500;padding:.35rem .5rem;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.navbar-link:hover,.navbar-link.active{color:var(--color-primary);background:#6366f114}.navbar-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--color-text);font-size:1.5rem;padding:.25rem}@media(max-width:767px){.navbar-toggle{display:block}.navbar-nav{position:fixed;top:var(--navbar-height);left:0;right:0;background:var(--color-bg);border-bottom:1px solid var(--color-border);flex-direction:column;padding:var(--space-md);transform:translateY(-100%);opacity:0;pointer-events:none;transition:transform .3s ease,opacity .3s ease}.navbar-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}}.footer{margin-top:var(--space-2xl);padding:var(--space-xl) 0;border-top:1px solid var(--color-border);text-align:center;color:var(--color-text-muted);font-size:.85rem}.theme-toggle{background:none;border:none;cursor:pointer;font-size:1.3rem;padding:.3rem;border-radius:50%;transition:transform var(--transition-fast);line-height:1}.theme-toggle:hover{transform:scale(1.15)}.breadcrumb{display:flex;align-items:center;gap:.4rem;font-size:.85rem;color:var(--color-text-muted);margin-bottom:var(--space-lg);flex-wrap:wrap}.breadcrumb a{color:var(--color-text-muted)}.breadcrumb a:hover{color:var(--color-primary)}.breadcrumb-sep{color:var(--color-border)}.breadcrumb-current{color:var(--color-text);font-weight:600}.pagination{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);margin:var(--space-2xl) 0}.pagination a,.pagination span{padding:.45rem .85rem;font-size:.85rem;font-weight:500;border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-muted);transition:all var(--transition-fast)}.pagination a:hover{border-color:var(--color-primary);color:var(--color-primary);background:#6366f10f}.pagination .active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.pagination .disabled{opacity:.4;pointer-events:none}.cta-box{background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));border-radius:var(--radius-lg);padding:var(--space-xl);color:#fff;margin:var(--space-2xl) 0;animation:fadeIn .5s ease}.cta-box h3{color:#fff;margin-bottom:var(--space-md)}.cta-box a{color:#ffffffe6;text-decoration:underline}.cta-box a:hover{color:#fff}.cta-links{display:flex;flex-wrap:wrap;gap:var(--space-md);margin-top:var(--space-md)}.cta-link-item{display:flex;align-items:center;gap:var(--space-sm);font-size:.9rem}.article-meta{display:flex;align-items:center;gap:var(--space-md);color:var(--color-text-muted);font-size:.85rem;margin-bottom:var(--space-xl);flex-wrap:wrap}.article-content{max-width:800px}.article-content h2{margin:var(--space-xl) 0 var(--space-md)}.article-content h3{margin:var(--space-lg) 0 var(--space-sm)}.article-content p{margin-bottom:var(--space-md)}.article-content ul,.article-content ol{margin:var(--space-md) 0;padding-left:var(--space-xl)}.article-content li{margin-bottom:var(--space-sm);line-height:1.7;list-style:disc}.article-content ol li{list-style:decimal}.admin-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--color-surface);border-right:1px solid var(--color-border);padding:var(--space-lg);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;overflow-y:auto;z-index:50}.sidebar-brand{font-size:1.15rem;font-weight:800;color:var(--color-text);margin-bottom:var(--space-xl);padding-bottom:var(--space-md);border-bottom:1px solid var(--color-border)}.sidebar-nav{display:flex;flex-direction:column;gap:var(--space-xs)}.sidebar-link{display:flex;align-items:center;gap:var(--space-sm);padding:.55rem .85rem;font-size:.9rem;font-weight:500;color:var(--color-text-muted);border-radius:var(--radius-sm);transition:all var(--transition-fast)}.sidebar-link:hover{background:var(--color-surface-hover);color:var(--color-text)}.sidebar-link.active{background:#6366f11a;color:var(--color-primary);font-weight:600}.sidebar-footer{margin-top:auto;padding-top:var(--space-md);border-top:1px solid var(--color-border)}.admin-content{flex:1;margin-left:var(--sidebar-width);padding:var(--space-xl)}.admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xl)}.admin-header h1{font-size:1.5rem}@media(max-width:767px){.sidebar{transform:translate(-100%);transition:transform .3s ease}.sidebar.open{transform:translate(0)}.admin-content{margin-left:0}}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-md);margin-bottom:var(--space-xl)}.stat-card{text-align:center}.stat-icon{font-size:1.8rem;margin-bottom:var(--space-sm)}.stat-value{font-size:1.8rem;font-weight:800;color:var(--color-primary)}.stat-label{font-size:.8rem;color:var(--color-text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.table-wrapper{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--color-border)}.data-table{width:100%;border-collapse:collapse;font-size:.88rem}.data-table th{text-align:left;padding:.75rem 1rem;background:var(--color-surface);color:var(--color-text-muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--color-border)}.data-table td{padding:.75rem 1rem;border-bottom:1px solid var(--color-border);vertical-align:middle}.data-table tbody tr{transition:background var(--transition-fast)}.data-table tbody tr:hover{background:var(--color-surface-hover)}.data-table tbody tr:last-child td{border-bottom:none}.table-actions{display:flex;gap:var(--space-sm)}.modal-overlay{position:fixed;inset:0;background:#00000080;backdrop-filter:blur(4px);z-index:200;display:none;align-items:center;justify-content:center;padding:var(--space-lg);animation:fadeIn .2s ease}.modal-overlay.active{display:flex}.modal{background:var(--color-bg);border-radius:var(--radius-lg);padding:var(--space-xl);width:100%;max-width:520px;box-shadow:var(--shadow-lg);animation:slideUp .25s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.modal-header h2{font-size:1.2rem}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--color-text-muted);padding:.25rem;line-height:1}.modal-close:hover{color:var(--color-text)}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-lg);background:linear-gradient(135deg,var(--color-bg),var(--color-surface))}.auth-card{width:100%;max-width:420px}.auth-card h1{text-align:center;margin-bottom:var(--space-xl);font-size:1.5rem}.filters{display:flex;flex-wrap:wrap;gap:var(--space-md);align-items:end;margin-bottom:var(--space-lg)}.filters .form-group{margin-bottom:0;min-width:160px;flex:1}.empty-state{text-align:center;padding:var(--space-2xl);color:var(--color-text-muted)}.empty-state-icon{font-size:3rem;margin-bottom:var(--space-md)}.settings-section{margin-bottom:var(--space-2xl)}.settings-section h2{margin-bottom:var(--space-lg);padding-bottom:var(--space-sm);border-bottom:1px solid var(--color-border)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .4s ease}.animate-slide-up{animation:slideUp .4s ease}.text-muted{color:var(--color-text-muted)}.text-center{text-align:center}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}