:root{--primary:#3b82f6;--primary-hover:#2563eb;--bg-color:#f3f4f6;--card-bg:#fff;--text-main:#1f2937;--text-muted:#6b7280;--border-color:#e5e7eb;--danger:#ef4444;--danger-hover:#dc2828;--success:#10b981}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;line-height:1.5}.login-container{justify-content:center;align-items:center;min-height:100vh;padding:1rem;display:flex}.login-card{background:var(--card-bg);border-radius:12px;width:100%;max-width:400px;padding:2.5rem;box-shadow:0 10px 25px -5px #0000001a,0 8px 10px -6px #0000001a}.login-title{text-align:center;color:var(--text-main);margin-bottom:.5rem;font-size:1.5rem;font-weight:700}.login-subtitle{text-align:center;color:var(--text-muted);margin-bottom:2rem;font-size:.875rem}.form-group{margin-bottom:1.25rem}.form-label{margin-bottom:.5rem;font-size:.875rem;font-weight:500;display:block}.form-input{border:1px solid var(--border-color);border-radius:8px;width:100%;padding:.75rem 1rem;font-size:1rem;transition:all .2s}.form-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #3b82f633}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;padding:.75rem 1.5rem;font-size:.875rem;font-weight:600;transition:background-color .2s,transform .1s;display:inline-flex}.btn:active{transform:scale(.98)}.btn-primary{background-color:var(--primary);color:#fff;width:100%}.btn-primary:hover{background-color:var(--primary-hover)}.btn-danger{background-color:var(--danger);color:#fff;padding:.5rem 1rem}.btn-danger:hover{background-color:var(--danger-hover)}.dashboard-layout{min-height:100vh;display:flex}.sidebar{background-color:var(--card-bg);border-right:1px solid var(--border-color);flex-direction:column;width:260px;display:flex}.sidebar-header{border-bottom:1px solid var(--border-color);color:var(--primary);align-items:center;gap:.75rem;padding:1.5rem;font-size:1.25rem;font-weight:700;display:flex}.sidebar-nav{flex:1;padding:1rem 0}.nav-item{color:var(--text-muted);align-items:center;gap:.75rem;padding:.75rem 1.5rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-item:hover,.nav-item.active{color:var(--primary);border-right:3px solid var(--primary);background-color:#eff6ff}.sidebar-footer{border-top:1px solid var(--border-color);padding:1rem}.logout-btn{width:100%;color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:.75rem;padding:.75rem;font-weight:500;transition:all .2s;display:flex}.logout-btn:hover{color:var(--danger);background-color:#fee2e2}.main-content{flex:1;max-width:1200px;margin:0 auto;padding:2rem}.page-header{justify-content:space-between;align-items:center;margin-bottom:2rem;display:flex}.page-title{font-size:1.875rem;font-weight:700}.data-card{background:var(--card-bg);border-radius:12px;overflow:hidden;box-shadow:0 4px 6px -1px #0000000d}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border-color);padding:1rem 1.5rem}th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;background-color:#f9fafb;font-size:.75rem;font-weight:600}tr:hover td{background-color:#f9fafb}.action-btns{gap:.5rem;display:flex}.btn-icon{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:6px;padding:.5rem;transition:all .2s}.btn-icon:hover{background-color:var(--bg-color);color:var(--primary)}.modal-overlay{z-index:50;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background:var(--card-bg);border-radius:12px;width:100%;max-width:500px;padding:2rem;box-shadow:0 20px 25px -5px #0000001a}.modal-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.modal-title{font-size:1.25rem;font-weight:600}textarea.form-input{resize:vertical;min-height:120px}.modal-actions{justify-content:flex-end;gap:1rem;margin-top:2rem;display:flex}.btn-secondary{border:1px solid var(--border-color);color:var(--text-main);background-color:#fff;padding:.75rem 1.5rem}.btn-secondary:hover{background-color:#f9fafb}