:root{--bg:#f8f9fa;--surface:#fff;--border:#e2e8f0;--text:#1a202c;--text-muted:#718096;--primary:#3b82f6;--primary-hover:#2563eb;--primary-light:#dbeafe;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--radius:8px;--radius-lg:12px;--shadow:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}button{cursor:pointer;font:inherit;border:none}input,select,textarea{font:inherit}.app{min-height:100vh;display:flex}.main{flex:1;width:100%;min-width:0;max-width:1200px;margin:0 auto;padding:1.5rem}.app-loading{text-align:center;color:var(--text-muted);padding:3rem}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:1.5rem;display:flex}.page-header h2{margin:0;font-size:1.5rem;font-weight:600}.btn{border-radius:var(--radius);color:var(--text);background:0 0;align-items:center;gap:.375rem;padding:.5rem 1rem;font-size:.875rem;font-weight:500;text-decoration:none;transition:all .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{opacity:.9}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{opacity:.9}.btn-ghost{color:var(--text-muted);background:0 0}.btn-ghost:hover{background:var(--bg);color:var(--text)}.btn-sm{padding:.25rem .625rem;font-size:.8rem}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:1rem}.form-group label{margin-bottom:.25rem;font-size:.85rem;font-weight:500;display:block}.form-input{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);width:100%;color:var(--text);padding:.5rem .75rem;font-size:.9rem;transition:border-color .15s,box-shadow .15s}.form-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #3b82f61a}.modal-overlay{z-index:50;background:#0006;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--radius);width:100%;max-width:480px;max-height:90vh;padding:1.5rem;overflow-y:auto;box-shadow:0 20px 60px #00000026}.modal h3{margin-bottom:1rem}.modal-actions{justify-content:flex-end;gap:.5rem;margin-top:1.5rem;display:flex}.toast{background:var(--text);color:#fff;border-radius:var(--radius);box-shadow:var(--shadow-md);z-index:100;align-items:center;gap:.75rem;max-width:calc(100vw - 3rem);padding:.75rem 1rem;display:flex;position:fixed;bottom:1.5rem;right:1.5rem}.toast.error{background:var(--danger)}.toast-action{color:#fff;border-radius:var(--radius);cursor:pointer;background:0 0;border:1px solid #fff6;padding:.25rem .5rem;font-size:.8rem}@media (width<=768px){.toast{max-width:none;left:1rem;right:1rem}}.cal-grid{background:#fff;border:1px solid #dde;border-radius:8px;grid-template-columns:repeat(7,minmax(0,1fr));min-height:420px;display:grid;overflow:hidden}.cal-day{border-left:1px solid #eee;flex-direction:column;min-width:0;display:flex}.cal-day:first-child{border-left:none}.cal-day-header{color:#555;text-align:center;z-index:1;background:#f9f9fb;border-bottom:1px solid #eee;padding:10px 6px 6px;position:sticky;top:0}.cal-day[data-today=true] .cal-day-header{color:#fff;background:#5b8dee}.cal-day-name{text-transform:uppercase;letter-spacing:.05em;font-size:.7rem;font-weight:600}.cal-day-num{font-size:1.2rem;font-weight:400}.cal-day[data-today=true] .cal-day-num{font-weight:700}.cal-day-past .cal-day-header{color:#6b7280;background:#eef2f7}.cal-day-past .cal-day-events{opacity:.85}.cal-day-done{color:#10b981;font-weight:700}.cal-day-events{flex-direction:column;flex:1;gap:4px;padding:6px;display:flex}@media (width<=900px) and (width>=481px){.cal-grid{scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;grid-template-columns:repeat(7,minmax(180px,1fr));overflow-x:auto}.cal-day{scroll-snap-align:start}}@media (width<=480px){.cal-grid{grid-template-columns:1fr;min-height:0}.cal-day{border-top:1px solid #eee;border-left:none}.cal-day:first-child{border-top:none}.cal-day-header{text-align:left;align-items:baseline;gap:8px;padding:8px 12px;display:flex;position:static}.cal-day-name{font-size:.75rem}.cal-day-num{font-size:1rem;font-weight:600}.cal-day-events{padding:4px 12px 8px}.cal-day-empty{display:none}}