*{margin:0;padding:0;box-sizing:border-box}:root{--black: #0a0a0a;--white: #ffffff;--gray-50: #fafafa;--gray-100: #f4f4f5;--gray-200: #e4e4e7;--gray-400: #a1a1aa;--gray-600: #52525b;--gray-800: #27272a;--accent: #2563eb;--accent-light: #dbeafe;--danger: #dc2626;--danger-light: #fee2e2;--success: #16a34a;--success-light: #dcfce7;--warning: #d97706;--warning-light: #fef3c7;--radius: 10px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -2px rgba(0,0,0,.04);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--gray-50);color:var(--black);line-height:1.5;-webkit-font-smoothing:antialiased}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{width:240px;background:var(--black);color:var(--white);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100}.sidebar-brand{padding:28px 24px 24px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-brand h1{font-size:1rem;font-weight:700;letter-spacing:.05em;color:var(--white)}.sidebar-brand p{font-size:.7rem;color:#fff6;margin-top:2px;letter-spacing:.05em}.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:2px}.sidebar-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:#fff9;text-decoration:none;font-size:.875rem;font-weight:500;transition:all .2s;cursor:pointer;background:none;border:none;width:100%;text-align:left}.sidebar-link:hover{background:#ffffff14;color:var(--white)}.sidebar-link.active{background:#ffffff1f;color:var(--white)}.sidebar-footer{padding:16px 12px;border-top:1px solid rgba(255,255,255,.08)}.sidebar-email{font-size:.75rem;color:#fff6;padding:0 12px;margin-bottom:8px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.admin-main{margin-left:240px;flex:1;min-width:0}.admin-topbar{background:var(--white);border-bottom:1px solid var(--gray-200);padding:0 32px;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}.admin-topbar h2{font-size:1rem;font-weight:600;color:var(--black)}.topbar-right{display:flex;align-items:center;gap:12px}.admin-content{padding:32px}.card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);box-shadow:var(--shadow)}.card-header{padding:20px 24px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between}.card-header h3{font-size:.9rem;font-weight:600;color:var(--black)}.card-body{padding:24px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}.stat-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow)}.stat-card-label{font-size:.75rem;font-weight:500;color:var(--gray-400);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}.stat-card-value{font-size:2rem;font-weight:700;color:var(--black);line-height:1}.stat-card-sub{font-size:.75rem;color:var(--gray-400);margin-top:4px}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}thead{background:var(--gray-50)}th{padding:10px 16px;text-align:left;font-size:.7rem;font-weight:600;color:var(--gray-400);text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid var(--gray-200)}td{padding:14px 16px;font-size:.85rem;color:var(--gray-800);border-bottom:1px solid var(--gray-100);vertical-align:middle}tr:last-child td{border-bottom:none}tr:hover td{background:var(--gray-50)}.project-thumb{width:48px;height:36px;object-fit:cover;border-radius:6px;background:var(--gray-100)}.project-thumb-placeholder{width:48px;height:36px;border-radius:6px;background:var(--gray-100);display:flex;align-items:center;justify-content:center;font-size:1rem}.td-title{font-weight:600;color:var(--black)}.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font-size:.7rem;font-weight:600}.badge-done{background:var(--success-light);color:var(--success)}.badge-ongoing{background:var(--warning-light);color:var(--warning)}.badge-study{background:var(--accent-light);color:var(--accent)}.badge-featured{background:var(--black);color:var(--white)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:.825rem;font-weight:500;cursor:pointer;border:none;transition:all .15s;font-family:inherit;text-decoration:none}.btn-primary{background:var(--black);color:var(--white)}.btn-primary:hover{background:var(--gray-800)}.btn-secondary{background:var(--gray-100);color:var(--gray-800)}.btn-secondary:hover{background:var(--gray-200)}.btn-danger{background:var(--danger-light);color:var(--danger)}.btn-danger:hover{background:#fca5a5}.btn-sm{padding:5px 10px;font-size:.75rem}.btn:disabled{opacity:.5;cursor:not-allowed}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-grid-full{grid-column:1 / -1}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.8rem;font-weight:500;color:var(--gray-800)}.form-group input,.form-group select,.form-group textarea{padding:9px 12px;border:1px solid var(--gray-200);border-radius:8px;font-size:.875rem;font-family:inherit;background:var(--white);color:var(--black);transition:border-color .15s;outline:none;width:100%}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--black)}.form-group textarea{resize:vertical;min-height:100px}.upload-zone{border:2px dashed var(--gray-200);border-radius:10px;padding:32px;text-align:center;cursor:pointer;transition:all .2s;background:var(--gray-50)}.upload-zone:hover{border-color:var(--black);background:var(--white)}.upload-zone p{font-size:.85rem;color:var(--gray-400);margin-top:8px}.upload-zone .upload-icon{font-size:2rem}.image-preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:10px;margin-top:12px}.image-preview-item{position:relative;border-radius:8px;overflow:hidden;aspect-ratio:4/3;background:var(--gray-100)}.image-preview-item img{width:100%;height:100%;object-fit:cover}.image-preview-remove{position:absolute;top:4px;right:4px;background:#000000b3;color:#fff;border:none;border-radius:50%;width:22px;height:22px;cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--gray-50)}.login-box{background:var(--white);border:1px solid var(--gray-200);border-radius:16px;padding:48px 40px;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}.login-logo{text-align:center;margin-bottom:32px}.login-logo h1{font-size:1.1rem;font-weight:700;letter-spacing:.05em}.login-logo p{font-size:.75rem;color:var(--gray-400);margin-top:4px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-header h2{font-size:1.2rem;font-weight:700}.page-header p{font-size:.8rem;color:var(--gray-400);margin-top:2px}.empty-state{text-align:center;padding:60px 20px;color:var(--gray-400)}.empty-state p{margin-top:8px;font-size:.875rem}.error-msg{background:var(--danger-light);color:var(--danger);padding:10px 14px;border-radius:8px;font-size:.85rem;margin-bottom:16px}.success-msg{background:var(--success-light);color:var(--success);padding:10px 14px;border-radius:8px;font-size:.85rem;margin-bottom:16px}.divider{height:1px;background:var(--gray-200);margin:24px 0}.flex{display:flex}.items-center{align-items:center}.gap-2{gap:8px}.gap-3{gap:12px}.ml-auto{margin-left:auto}.text-muted{color:var(--gray-400);font-size:.8rem}.loading{display:flex;align-items:center;justify-content:center;padding:60px;color:var(--gray-400);font-size:.875rem}.category-bar-container{display:flex;flex-direction:column;gap:10px}.category-bar-row{display:flex;align-items:center;gap:12px}.category-bar-label{font-size:.8rem;color:var(--gray-800);min-width:120px}.category-bar-track{flex:1;background:var(--gray-100);border-radius:4px;height:8px;overflow:hidden}.category-bar-fill{height:100%;background:var(--black);border-radius:4px;transition:width .5s}.category-bar-count{font-size:.75rem;color:var(--gray-400);min-width:20px;text-align:right}