:root{--primary: #1976d2;--primary-dark: #1565c0;--success: #4caf50;--warning: #ff9800;--danger: #f44336;--grey: #9e9e9e;--bg: #f5f5f5;--white: #ffffff;--text: #333333;--text-light: #666666}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.app{min-height:100vh}.navbar{background:var(--primary);color:#fff;padding:0 1rem;display:flex;align-items:center;height:56px;position:fixed;top:0;left:0;right:0;z-index:100;box-shadow:0 2px 4px #0000001a}.navbar h1{font-size:1.2rem;font-weight:600}.nav-links{display:flex;gap:.5rem;margin-left:2rem}.nav-links a{color:#ffffffd9;text-decoration:none;padding:.5rem .75rem;border-radius:4px;font-size:.9rem}.nav-links a:hover,.nav-links a.active{background:#ffffff26;color:#fff}.nav-right{margin-left:auto;display:flex;align-items:center;gap:.5rem}.nav-right 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.6rem;border-radius:12px;font-size:.75rem;font-weight:500}.badge-not-started{background:#eee;color:#666}.badge-in-progress{background:#e3f2fd;color:#1976d2}.badge-delayed{background:#ffebee;color:#c62828}.badge-completed{background:#e8f5e9;color:#2e7d32}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--primary-dark))}.login-card{background:#fff;padding:2rem;border-radius:12px;width:100%;max-width:400px;box-shadow:0 4px 20px #00000026}.login-card h2{text-align:center;margin-bottom:1.5rem;color:var(--primary)}.login-card .btn{width:100%;justify-content:center;margin-top:1rem}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:200;padding:1rem}.modal{background:#fff;border-radius:8px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;padding:1.5rem}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.modal-header h3{font-size:1.1rem}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#999;line-height:1}.modal-footer{display:flex;gap:.5rem;justify-content:flex-end;margin-top:1.5rem;padding-top:1rem;border-top:1px solid #eee}.file-list{list-style:none}.file-list li{display:flex;align-items:center;gap:.5rem;padding:.5rem 0;border-bottom:1px solid #f0f0f0;font-size:.85rem}.file-list li 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768px){.stats-grid{grid-template-columns:repeat(2,1fr)}.form-row{grid-template-columns:1fr}.nav-links{display:none}.detail-meta{grid-template-columns:1fr}table{font-size:.8rem}th,td{padding:.5rem}}