*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #1a73e8;--primary-hover: #1557b0;--secondary-color: #f5f5f5;--text-primary: #202124;--text-secondary: #5f6368;--border-color: #e0e0e0;--success-color: #188038;--danger-color: #d93025;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 20px rgba(0, 0, 0, .1);--radius: 8px;--radius-lg: 12px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}body{font-family:var(--font-family);color:var(--text-primary);background-color:#fff;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 20px}header{background:#fff;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}header .container{display:flex;justify-content:space-between;align-items:center;height:64px}.logo{font-size:1.5rem;font-weight:700;color:var(--primary-color);text-decoration:none}nav{display:flex;gap:24px}nav a{text-decoration:none;color:var(--text-secondary);font-size:.95rem;transition:color .2s}nav a:hover{color:var(--primary-color)}.auth-links{display:flex;gap:12px;align-items:center}.btn{padding:8px 16px;border-radius:var(--radius);font-size:.9rem;font-weight:500;cursor:pointer;border:none;transition:all .2s;text-decoration:none;display:inline-flex;align-items:center;gap:6px}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--secondary-color);color:var(--text-primary)}.btn-secondary:hover{background-color:#e8e8e8}.btn-outline{border:1px solid var(--border-color);background-color:#fff;color:var(--text-primary)}.btn-outline:hover{background-color:var(--secondary-color)}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-danger:hover{background-color:#c2251a}.hero{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:80px 20px;text-align:center}.hero h1{font-size:2.5rem;margin-bottom:16px}.hero p{font-size:1.1rem;opacity:.9;margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto}.search-bar{max-width:600px;margin:0 auto;display:flex;gap:8px}.search-bar input{flex:1;padding:14px 20px;border-radius:var(--radius-lg);border:none;font-size:1rem;outline:none}.search-bar button{padding:14px 24px;border-radius:var(--radius-lg);border:none;background:#fff;color:var(--primary-color);font-weight:600;cursor:pointer;font-size:1rem}.search-bar button:hover{background:#f0f0f0}.section{padding:60px 20px}.section-title{font-size:1.8rem;margin-bottom:32px;text-align:center}.categories{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin-bottom:48px}.category-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;text-align:center;cursor:pointer;transition:all .2s}.category-card:hover{border-color:var(--primary-color);box-shadow:var(--shadow-md)}.category-card .icon{width:48px;height:48px;margin:0 auto 12px;fill:var(--primary-color)}.category-card h3{font-size:1rem;color:var(--text-primary)}.job-list{display:grid;grid-template-columns:1fr;gap:20px}.job-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;cursor:pointer;transition:all .2s}.job-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-color)}.job-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.job-card-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:4px}.job-card-category{display:inline-block;padding:4px 10px;background:var(--secondary-color);border-radius:20px;font-size:.8rem;color:var(--text-secondary)}.job-card-budget{font-size:1.1rem;font-weight:600;color:var(--success-color)}.job-card-description{color:var(--text-secondary);font-size:.95rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}.job-card-footer{display:flex;justify-content:space-between;align-items:center;color:var(--text-secondary);font-size:.85rem}.job-detail{max-width:800px;margin:0 auto}.job-detail-header{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px;margin-bottom:24px}.job-detail-title{font-size:2rem;margin-bottom:16px}.job-detail-meta{display:flex;gap:24px;flex-wrap:wrap;margin-bottom:24px}.meta-item{display:flex;align-items:center;gap:6px;color:var(--text-secondary)}.job-detail-description{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px;white-space:pre-wrap;line-height:1.8}.proposal-form{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px;margin-top:24px}.form-group{margin-bottom:20px}.form-group label{display:block;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;border:1px solid var(--border-color);border-radius:var(--radius);font-size:1rem;font-family:inherit;outline:none;transition:border-color .2s}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--primary-color)}.form-group textarea{min-height:150px;resize:vertical}.form-actions{display:flex;gap:12px;justify-content:flex-end}.auth-page{max-width:400px;margin:60px auto}.auth-page h1{font-size:2rem;text-align:center;margin-bottom:8px}.auth-page p{text-align:center;color:var(--text-secondary);margin-bottom:32px}.auth-form{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px}.role-selector{display:flex;gap:12px;margin-bottom:20px}.role-option{flex:1;padding:16px;border:2px solid var(--border-color);border-radius:var(--radius);cursor:pointer;text-align:center;transition:all .2s}.role-option.selected{border-color:var(--primary-color);background-color:#1a73e80d}.role-option input{display:none}.role-option label{cursor:pointer;font-weight:500}.profile-page{max-width:800px;margin:40px auto}.profile-header{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px;margin-bottom:24px;display:flex;align-items:center;gap:24px}.profile-avatar{width:100px;height:100px;border-radius:50%;background:var(--secondary-color);display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;color:var(--primary-color)}.profile-info h2{font-size:1.5rem;margin-bottom:4px}.profile-info .role{display:inline-block;padding:4px 12px;background:var(--secondary-color);border-radius:20px;font-size:.85rem;color:var(--text-secondary);margin-bottom:12px}.profile-info .bio{color:var(--text-secondary)}.profile-section{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;margin-bottom:24px}.profile-section h3{font-size:1.2rem;margin-bottom:16px}.skills-list{display:flex;flex-wrap:wrap;gap:8px}.skill-tag{padding:6px 12px;background:var(--secondary-color);border-radius:20px;font-size:.85rem}.error-message{color:var(--danger-color);font-size:.85rem;margin-top:4px}.success-message{color:var(--success-color);font-size:.85rem;margin-top:4px}.spinner{border:3px solid var(--secondary-color);border-top:3px solid var(--primary-color);border-radius:50%;width:24px;height:24px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){header .container{flex-wrap:wrap;padding:0 12px}nav{order:3;width:100%;padding-bottom:12px;gap:16px}.hero h1{font-size:1.8rem}.search-bar{flex-direction:column}.job-card-header{flex-direction:column;gap:8px}.profile-header{flex-direction:column;text-align:center}}