*{box-sizing:border-box}body{margin:0;font-family:system-ui,sans-serif;background:#f3f4f6;color:#111827}.wrap{max-width:860px;margin:auto;padding:20px}header{margin-bottom:20px}h1{font-size:2rem;margin:0 0 4px}h2{margin:0 0 12px}.topbar,.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px}button{border:0;border-radius:14px;padding:18px 12px;font-size:1.05rem;font-weight:800;cursor:pointer}.start{background:#16a34a;color:#fff}.end{background:#dc2626;color:#fff}.primary{background:#111827;color:#fff}.ghost{background:#e5e7eb;color:#111827}.small{padding:10px 14px;font-size:.95rem}.full{width:100%}.card{background:#fff;border-radius:16px;padding:18px;margin:14px 0;box-shadow:0 4px 14px rgba(0,0,0,.06)}.login-card{max-width:480px;margin:80px auto}.login-card input,.form-grid input,.day-form input,.day-form select,#monthPicker{width:100%;font-size:1.05rem;padding:12px;border:1px solid #d1d5db;border-radius:10px;background:#fff}.error{color:#b91c1c;font-weight:700}.form-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr auto;gap:12px;align-items:end}.form-grid label,.day-form label{font-weight:700;font-size:.9rem}.form-grid label input,.day-form label input,.day-form label select{display:block;margin-top:6px}.day-form{display:grid;grid-template-columns:1.1fr 1fr 1.4fr auto auto;gap:10px;align-items:end}.form-message{min-height:1.2em;margin-bottom:0}.entry-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid #e5e7eb}.entry-row:last-child{border-bottom:0}.entry-actions{display:flex;gap:6px}.entry-actions button{padding:7px 10px;border-radius:9px;font-size:.85rem}.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin-top:14px}.cal-head{font-size:.75rem;font-weight:800;text-align:center;color:#6b7280}.day{min-height:90px;border:1px solid #e5e7eb;border-radius:10px;padding:8px;background:#f9fafb;cursor:pointer;position:relative}.day.empty{visibility:hidden}.day.today{outline:2px solid #111827}.day.has-work{background:#ecfdf5}.day.weekend{background:#f3f4f6}.day.leave{background:#eff6ff}.day.sick{background:#fef2f2}.day.off{background:#faf5ff}.day-number{font-weight:800}.day-time{font-size:.82rem;margin-top:7px}.day-overtime{font-size:.75rem;color:#b45309;font-weight:700}.day-status{font-size:.7rem;font-weight:800;margin-top:5px}.month-head>div{flex:1;text-align:center}.month-head #monthPicker{max-width:220px;margin:auto}.stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stats.four{grid-template-columns:repeat(4,1fr)}.stats div{background:#f9fafb;border-radius:12px;padding:14px}.stats strong{display:block;font-size:1.6rem}.stats span{font-size:.9rem;color:#6b7280}.calendar-actions{display:flex;justify-content:flex-end;margin-top:10px}.legend{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px;font-size:.8rem;color:#4b5563}.legend span:before{content:'•';font-weight:900;margin-right:5px}@media(max-width:800px){.day-form{grid-template-columns:1fr 1fr}.day-form button{grid-column:auto}.stats.four{grid-template-columns:1fr 1fr}}@media(max-width:700px){.form-grid{grid-template-columns:1fr 1fr}.form-grid .primary{grid-column:1/-1}.calendar{gap:4px}.day{min-height:72px;padding:5px}.day-time{font-size:.7rem}.day-status{font-size:.62rem}}@media(max-width:520px){.wrap{padding:12px}.actions,.stats,.stats.four{grid-template-columns:1fr}.actions button{padding:22px}.form-grid,.day-form{grid-template-columns:1fr}.calendar{grid-template-columns:repeat(7,1fr)}.day{min-height:64px}.day-time{font-size:.65rem}.day-status{font-size:.58rem}.topbar{align-items:flex-start}.calendar-actions{justify-content:stretch}.calendar-actions button{width:100%}}