:root{--bg: #f4f6fa;--card: #ffffff;--primary: #3b5bdb;--primary-dark: #2f47ab;--text: #1f2733;--muted: #6b7685;--border: #e3e8f0;--green: #2b8a3e;--red: #c92a2a;--orange: #e8590c;--radius: 10px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}.layout{display:flex;min-height:100vh}.sidebar{width:230px;background:#1e2a44;color:#cfd8e6;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{padding:20px 18px;font-weight:700;font-size:16px;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}.brand-name{font-size:18px;font-weight:800;letter-spacing:.4px}.brand-sub{font-size:11px;color:#93a1b8;font-weight:500;margin-top:2px}.sidebar nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:2px}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:#cfd8e6;text-decoration:none;font-weight:500;transition:background .15s ease,color .15s ease}.nav-icon{font-size:16px;width:20px;text-align:center;flex-shrink:0}.nav-label{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-link:hover{background:#ffffff12;color:#fff}.nav-link.active{background:linear-gradient(90deg,var(--primary),#5c7cfa);color:#fff;box-shadow:0 4px 12px #3b5bdb59}.nav-badge{background:#f59f00;color:#fff;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:10px;padding:0 6px;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 0 0 2px #f59f0040;flex-shrink:0}.nav-link.active .nav-badge{background:#fff;color:var(--primary);box-shadow:none}.sidebar-footer{padding:14px;border-top:1px solid rgba(255,255,255,.08)}.user-chip{display:flex;align-items:center;justify-content:space-between;gap:8px}.user-name{color:#fff;font-weight:600}.user-role{font-size:12px;color:#93a1b8}.content{flex:1;padding:26px 30px;width:100%}.page-center{display:flex;align-items:center;justify-content:center;min-height:100vh}.page-title{font-size:20px;font-weight:700;margin:0 0 18px}.muted{color:var(--muted)}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:18px}.card h3{margin:0 0 14px;font-size:15px}.grid{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(3,1fr)}@media (max-width: 900px){.grid-3{grid-template-columns:1fr}.sidebar{width:64px}.brand,.nav-link span+*,.user-chip div{display:none}}.stat{text-align:center;padding:14px}.stat .num{font-size:30px;font-weight:800}.stat .lbl{color:var(--muted);margin-top:4px}.stat-sub{margin-top:8px;font-size:11px;font-weight:600;color:var(--primary);background:#eef2ff;border-radius:6px;padding:3px 8px;display:inline-block}.stat.paid .num{color:var(--primary)}.stat.used .num{color:var(--orange)}.stat.left .num{color:var(--green)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px;font-weight:600}tr:last-child td{border-bottom:none}.btn{display:inline-flex;align-items:center;gap:6px;background:var(--primary);color:#fff;border:none;padding:9px 16px;border-radius:8px;font-weight:600;font-size:13px;cursor:pointer;text-decoration:none}.btn:hover{background:var(--primary-dark)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-green{background:var(--green)}.btn-green:hover{background:#226f31}.btn-red{background:var(--red)}.btn-red:hover{background:#a61e1e}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-outline:hover{background:var(--bg)}.btn-sm{padding:5px 10px;font-size:12px}.btn-ghost-light{background:#ffffff1f;border:1px solid rgba(255,255,255,.35);color:#fff}.btn-ghost-light:hover{background:#ffffff40}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge.pending{background:#fff3bf;color:#8a6d0b}.badge.approved{background:#d3f9d8;color:#2b8a3e}.badge.rejected{background:#ffe3e3;color:#c92a2a}.badge.cancelled{background:#e9ecef;color:#6b7685}.badge.paid{background:#dbe4ff;color:#364fc7}.badge.unpaid{background:#fff0f6;color:#a61e4d}.badge.holiday{background:#d3f9d8;color:#2b8a3e}.badge.comp_off{background:#fff3bf;color:#8a6d0b}.badge.make_up_work{background:#ffe3e3;color:#c92a2a}.form-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:14px}.form-group{display:flex;flex-direction:column;gap:6px;min-width:160px}.form-group label{font-weight:600;font-size:12px;color:var(--muted)}input,select,textarea{padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:2px solid #bac8ff;border-color:var(--primary)}.alert{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-weight:500}.alert.error{background:#ffe3e3;color:#c92a2a}.alert.success{background:#d3f9d8;color:#2b8a3e}.alert.info{background:#dbe4ff;color:#364fc7}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e2a44,#3b5bdb)}.login-box{background:#fff;border-radius:14px;padding:34px;width:360px;box-shadow:0 20px 50px #00000040}.login-box h1{font-size:20px;margin:0 0 6px}.login-box .sub{color:var(--muted);margin-bottom:22px}.login-box .form-group{min-width:auto;width:100%;margin-bottom:14px}.login-box .btn{width:100%;justify-content:center;padding:11px}.row-actions{display:flex;gap:6px;flex-wrap:wrap}.days-preview{font-weight:700;color:var(--primary)}.empty{text-align:center;color:var(--muted);padding:30px 0}.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.cal-head{text-align:center;font-size:11px;font-weight:700;color:var(--muted);padding:6px 0;text-transform:uppercase}.cal-cell{min-height:64px;border:1px solid var(--border);border-radius:8px;padding:5px 6px;display:flex;flex-direction:column;gap:3px;background:#fff;font-size:12px}.cal-empty{border:none;background:transparent}.cal-num{font-weight:700;font-size:13px}.cal-label{font-size:10px;color:var(--muted);line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.cal-work{background:#f8f9ff}.cal-satwork{background:#e7f0ff;border-color:#bcd3fb}.cal-satwork .cal-label,.cal-satwork .cal-num{color:#1c54b3}.cal-satoff,.cal-sun{background:#f1f3f5}.cal-satoff .cal-num,.cal-sun .cal-num{color:#98a2b3}.cal-holiday{background:#ebfbee;border-color:#b2f2bb}.cal-holiday .cal-num,.cal-holiday .cal-label{color:#2b8a3e}.cal-compoff{background:#fff9db;border-color:#ffec99}.cal-compoff .cal-num,.cal-compoff .cal-label{color:#8a6d0b}.cal-makeup{background:#fff0f0;border-color:#ffc9c9}.cal-makeup .cal-num,.cal-makeup .cal-label{color:#c92a2a}.cal-cell.today{outline:2px solid var(--primary);outline-offset:-1px}.menu{position:relative;display:inline-block}.menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40}.menu-list{position:absolute;right:0;top:calc(100% + 4px);z-index:50;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 10px 30px #0f172a24;min-width:180px;padding:6px;display:flex;flex-direction:column;gap:2px}.menu-item{text-align:left;background:none;border:none;width:100%;padding:8px 10px;border-radius:6px;cursor:pointer;font-size:13px;font-weight:500;color:var(--text);font-family:inherit}.menu-item:hover{background:var(--bg)}.menu-item.menu-danger{color:var(--red)}.menu-item.menu-ok{color:var(--green)}.cal-legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:12px;font-size:12px;color:var(--muted)}.cal-legend span{display:inline-flex;align-items:center;gap:5px}.cal-legend .dot{width:10px;height:10px;border-radius:50%;display:inline-block}.dot-work{background:#f8f9ff;border:1px solid var(--border)}.dot-satwork{background:#e7f0ff;border:1px solid #bcd3fb}.dot-holiday{background:#ebfbee;border:1px solid #b2f2bb}.dot-compoff{background:#fff9db;border:1px solid #ffec99}.dot-makeup{background:#fff0f0;border:1px solid #ffc9c9}.dot-sun{background:#f1f3f5;border:1px solid #e3e8f0}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:14px;padding:24px;width:400px;max-width:92vw;box-shadow:0 20px 60px #0000004d}.modal h3{margin:0 0 14px}.modal .form-group{margin-bottom:12px}.modal-wide{width:780px;max-height:86vh;overflow-y:auto}.tabs{display:flex;gap:6px;margin-bottom:16px}.tab{padding:7px 14px;border-radius:20px;border:1px solid var(--border);background:#fff;cursor:pointer;font-weight:600;font-size:13px}.tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}