:root{--navy:#0f2b5b;--navy-dark:#081a3a;--gold:#f4a623;--gold-light:#fbd38d;--bg:#f0f2f5;--card-bg:#fff;--text:#374151;--text-light:#6b7280;--text-h:#111827;--border:#e5e7eb;--shadow-sm:0 1px 3px #00000014, 0 1px 2px #0000000a;--shadow-md:0 4px 12px #0000001a, 0 2px 4px #0000000d;--shadow-lg:0 10px 30px #0000001f, 0 4px 8px #0000000f;--radius:12px;--radius-sm:8px;--sans:"Noto Sans KR", system-ui, -apple-system, "Segoe UI", sans-serif;font-family:var(--sans);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:15px;line-height:1.6}*,:before,:after{box-sizing:border-box}body{margin:0;padding:0}#root{text-align:left;border:none;flex-direction:column;width:100%;max-width:100%;min-height:100vh;margin:0;display:flex}h1,h2,h3,h4{font-family:var(--sans);color:var(--text-h);margin:0;font-weight:700}p{margin:0}button{cursor:pointer;font-family:var(--sans)}.app{flex-direction:column;min-height:100vh;display:flex}.app-header{background:linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, #1a4a8a 100%);color:#fff;z-index:100;padding:0;position:sticky;top:0;box-shadow:0 2px 20px #0000004d}.header-inner{justify-content:space-between;align-items:center;gap:16px;max-width:900px;margin:0 auto;padding:16px 24px;display:flex}.header-brand{align-items:center;gap:16px;display:flex}.header-flag{filter:drop-shadow(0 2px 4px #0000004d);font-size:40px;line-height:1}.header-title{color:#fff;letter-spacing:-.5px;font-size:22px;font-weight:800;line-height:1.2}.header-subtitle{color:#ffffffa6;letter-spacing:.3px;margin-top:2px;font-size:12px}.header-right{flex-direction:column;align-items:flex-end;gap:8px;display:flex}.header-meta{gap:10px;display:flex}.reset-btn{color:#ffffffb3;white-space:nowrap;background:#ffffff1a;border:1px solid #ffffff40;border-radius:8px;padding:5px 10px;font-size:11px;transition:all .18s}.reset-btn:hover{color:#fff;background:#ffffff2e}.header-badge{text-align:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffff1f;border:1px solid #fff3;border-radius:10px;padding:8px 14px}.badge-num{color:var(--gold);font-size:20px;font-weight:800;line-height:1;display:block}.badge-text{color:#ffffffa6;margin-top:2px;font-size:10px;display:block}.nav-sticky{z-index:90;background:var(--navy);position:sticky;top:73px;box-shadow:0 2px 8px #0003}.day-nav{max-width:900px;margin:0 auto}.day-nav-scroll{scrollbar-width:none;-ms-overflow-style:none;gap:6px;padding:8px 16px;display:flex;overflow-x:auto}.day-nav-scroll::-webkit-scrollbar{display:none}.day-tab{color:#ffffffb3;background:#ffffff0f;border:1px solid #ffffff26;border-radius:10px;flex-direction:column;flex-shrink:0;align-items:center;gap:2px;min-width:58px;padding:8px 12px;font-size:11px;transition:all .2s;display:flex}.day-tab:hover{color:#fff;background:#ffffff24;transform:translateY(-1px)}.day-tab.active{background:var(--gold);border-color:var(--gold);color:var(--navy-dark);transform:translateY(-2px);box-shadow:0 4px 12px #f4a62366}.day-tab-emoji{font-size:16px;line-height:1}.day-tab-num{font-size:11px;font-weight:700}.day-tab-date{opacity:.85;font-size:10px}.day-tab-dow{opacity:.75;font-size:10px}.day-tab.weekend .day-tab-dow{color:inherit}.day-tab:not(.active).weekend .weekend-text{color:#fca5a5}.app-main{flex:1;width:100%;max-width:900px;margin:0 auto;padding:20px 16px 40px}.day-header-card{background:linear-gradient(135deg, var(--navy) 0%, #1a4a8a 100%);border-radius:var(--radius);color:#fff;box-shadow:var(--shadow-md);margin-bottom:16px;padding:24px}.day-header-top{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px;display:flex}.day-header-label{letter-spacing:2px;color:var(--gold);text-transform:uppercase;margin-bottom:2px;font-size:11px;font-weight:700}.day-header-date{color:#fff9;margin-bottom:8px;font-size:12px}.day-header-title{color:#fff;letter-spacing:-.3px;align-items:center;gap:8px;font-size:22px;font-weight:800;display:flex}.day-header-emoji{font-size:26px}.day-header-theme{color:#ffffffa6;margin-top:4px;font-size:13px}.day-stats{flex-wrap:wrap;justify-content:flex-end;gap:6px;display:flex}.day-stat-chip{white-space:nowrap;border-radius:20px;padding:4px 10px;font-size:12px;font-weight:600}.day-highlights{border-top:1px solid #ffffff26;flex-wrap:wrap;gap:8px;padding-top:16px;display:flex}.highlight-tag{color:var(--gold-light);background:#f4a62326;border:1px solid #f4a62340;border-radius:20px;padding:3px 10px;font-size:12px;font-weight:500}.filter-bar{flex-wrap:wrap;gap:6px;margin-bottom:20px;display:flex}.filter-btn{border:1.5px solid var(--border);background:var(--card-bg);color:var(--text);border-radius:20px;align-items:center;gap:5px;padding:6px 12px;font-size:12px;font-weight:500;transition:all .18s;display:flex}.filter-btn:hover{border-color:var(--navy);color:var(--navy);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.filter-btn.active{background:var(--navy);border-color:var(--navy);color:#fff;box-shadow:0 2px 8px #0f2b5b4d}.filter-count{text-align:center;background:#ffffff40;border-radius:10px;min-width:18px;padding:0 6px;font-size:10px;font-weight:700}.filter-btn:not(.active) .filter-count{background:var(--bg);color:var(--text-light)}.timeline{flex-direction:column;gap:0;display:flex}.activity-wrapper{gap:0;display:flex;position:relative}.timeline-dot{z-index:2;border-radius:50%;flex-shrink:0;align-self:flex-start;width:12px;height:12px;margin-top:20px;margin-right:14px;position:relative;box-shadow:0 0 0 3px #fffc}.timeline-line{z-index:1;background:linear-gradient(#d1d5db,#0000);width:2px;position:absolute;top:32px;bottom:-4px;left:5px}.activity-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow-sm);cursor:pointer;border-left:4px solid #ccc;flex:1;margin-bottom:12px;transition:all .2s;overflow:hidden}.activity-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.activity-card.expanded{box-shadow:var(--shadow-lg)}.activity-header{gap:0;padding:14px 16px;display:flex}.activity-time-block{border-right:1px solid var(--border);flex-direction:column;align-items:center;min-width:52px;margin-right:14px;padding-top:2px;padding-right:12px;display:flex}.activity-time{color:var(--text-h);font-size:14px;font-weight:800;line-height:1}.activity-time-end{color:var(--text-light);margin-top:3px;font-size:10px}.activity-body{flex:1;min-width:0}.activity-top-row{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.activity-top-actions{align-items:center;gap:6px;display:flex}.edit-icon-btn{opacity:0;background:0 0;border:none;border-radius:4px;padding:2px 4px;font-size:13px;line-height:1;transition:opacity .15s,background .15s}.activity-card:hover .edit-icon-btn{opacity:1}.edit-icon-btn:hover{background:#00000012}.category-badge{border:1px solid #0000;border-radius:12px;padding:2px 8px;font-size:11px;font-weight:600}.expand-icon{color:var(--text-light);font-size:10px;transition:transform .2s}.activity-title{color:var(--text-h);margin-bottom:2px;font-size:15px;font-weight:700;line-height:1.3}.activity-subtitle{color:var(--text-light);margin-bottom:8px;font-size:12px}.activity-location{color:var(--text-light);align-items:center;gap:4px;font-size:11px;display:flex}.location-icon{font-size:11px}.activity-details{padding:0 16px 16px}.divider{background:var(--border);height:1px;margin-bottom:14px}.activity-description{color:var(--text);margin-bottom:14px;font-size:13.5px;line-height:1.65}.activity-meta-grid{flex-direction:column;gap:8px;margin-bottom:14px;display:flex}.meta-item{border-radius:var(--radius-sm);background:#f9fafb;gap:8px;padding:8px 12px;font-size:12.5px;display:flex}.meta-item.tip{background:#fffbeb}.meta-icon{flex-shrink:0;margin-top:1px;font-size:14px}.meta-item>div{flex-direction:column;gap:2px;display:flex}.meta-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-light);font-size:10px;font-weight:700}.meta-value{color:var(--text);line-height:1.5}.activity-actions{gap:8px;display:flex}.btn-map{border-radius:var(--radius-sm);border:1.5px solid var(--navy);background:var(--navy);color:#fff;flex:1;padding:8px 14px;font-size:12px;font-weight:600;transition:all .18s}.btn-map:hover{background:var(--navy-dark);border-color:var(--navy-dark)}.btn-edit-detail{border-radius:var(--radius-sm);color:var(--text);background:0 0;border:1.5px solid #d1d5db;padding:8px 12px;font-size:12px;font-weight:500;transition:all .18s}.btn-edit-detail:hover{border-color:var(--navy);color:var(--navy)}.btn-collapse{border-radius:var(--radius-sm);border:1.5px solid var(--border);color:var(--text-light);background:0 0;padding:8px 14px;font-size:12px;transition:all .18s}.btn-collapse:hover{border-color:var(--text-light);color:var(--text)}.empty-filter{text-align:center;color:var(--text-light);padding:40px 20px;font-size:14px}.add-activity-btn{border-radius:var(--radius);width:100%;color:var(--text-light);background:0 0;border:2px dashed #d1d5db;justify-content:center;align-items:center;gap:6px;margin-top:8px;padding:12px;font-size:14px;font-weight:600;transition:all .18s;display:flex}.add-activity-btn:hover{border-color:var(--navy);color:var(--navy);background:#0f2b5b0a}.header-edit-btn{color:#ffffffd9;white-space:nowrap;background:#ffffff26;border:1px solid #ffffff4d;border-radius:8px;padding:5px 12px;font-size:12px;font-weight:500;transition:all .18s}.header-edit-btn:hover{color:#fff;background:#ffffff40}.header-edit-form{padding:4px 0}.header-edit-form label{color:#ffffffa6;text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:11px;font-weight:600;display:block}.header-edit-form input{color:#fff;width:100%;font-size:14px;font-family:var(--sans);box-sizing:border-box;background:#ffffff1f;border:1px solid #ffffff4d;border-radius:8px;padding:8px 10px}.header-edit-form input::placeholder{color:#fff6}.header-edit-form input:focus{border-color:var(--gold);background:#ffffff2e;outline:none}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0000008c;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-card{background:#fff;border-radius:16px;flex-direction:column;width:100%;max-width:560px;max-height:90vh;display:flex;overflow:hidden;box-shadow:0 20px 60px #00000040}.modal-header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:18px 24px;display:flex}.modal-title{color:var(--text-h);font-size:17px;font-weight:700}.modal-close-btn{width:32px;height:32px;color:var(--text-light);background:#f3f4f6;border:none;border-radius:8px;justify-content:center;align-items:center;font-size:14px;transition:all .15s;display:flex}.modal-close-btn:hover{color:var(--text-h);background:#e5e7eb}.modal-body{flex-direction:column;flex:1;gap:14px;padding:20px 24px;display:flex;overflow-y:auto}.form-group{flex-direction:column;gap:5px;display:flex}.form-group label{color:var(--text-light);text-transform:uppercase;letter-spacing:.4px;font-size:12px;font-weight:600}.form-group input,.form-group select,.form-group textarea{border:1.5px solid var(--border);font-size:14px;font-family:var(--sans);color:var(--text-h);box-sizing:border-box;background:#fff;border-radius:8px;width:100%;padding:9px 12px;transition:border-color .15s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--navy);outline:none}.form-group textarea{resize:vertical;line-height:1.55}.form-group input.input-error,.form-group textarea.input-error{border-color:#ef4444}.field-error{color:#ef4444;font-size:11px;font-weight:500}.form-row-2{grid-template-columns:1fr 1fr;gap:12px;display:grid}.form-row-3{grid-template-columns:1fr 1fr 1fr;gap:12px;display:grid}.modal-footer{border-top:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;gap:10px;padding:14px 24px;display:flex}.modal-footer-left{align-items:center;display:flex}.modal-footer-right{gap:8px;display:flex}.btn-primary{background:var(--navy);color:#fff;border:none;border-radius:8px;padding:9px 20px;font-size:14px;font-weight:600;transition:background .15s}.btn-primary:hover{background:var(--navy-dark)}.btn-secondary{border:1.5px solid var(--border);color:var(--text);background:0 0;border-radius:8px;padding:9px 16px;font-size:14px;font-weight:500;transition:all .15s}.btn-secondary:hover{border-color:var(--text-light);background:#f9fafb}.btn-delete{color:#dc2626;background:#fef2f2;border:1.5px solid #fecaca;border-radius:8px;padding:8px 14px;font-size:13px;font-weight:500;transition:all .15s}.btn-delete:hover{background:#fee2e2;border-color:#dc2626}.confirm-delete-row{color:var(--text);align-items:center;gap:8px;font-size:13px;display:flex}.btn-danger-sm{color:#fff;background:#dc2626;border:none;border-radius:6px;padding:5px 10px;font-size:12px;font-weight:600}.btn-ghost-sm{border:1.5px solid var(--border);color:var(--text);background:0 0;border-radius:6px;padding:5px 10px;font-size:12px}.app-footer{background:var(--navy-dark);color:#ffffff8c;text-align:center;padding:16px 24px;font-size:13px}@media (width<=600px){.header-inner{padding:12px 16px}.header-title{font-size:17px}.header-flag{font-size:30px}.badge-num{font-size:16px}.app-main{padding:14px 12px 32px}.day-header-card{padding:18px 16px}.day-header-title{font-size:18px}.day-header-top{flex-direction:column;gap:12px}.day-stats{justify-content:flex-start}.activity-header{padding:12px}.activity-time-block{min-width:44px;margin-right:10px;padding-right:10px}.form-row-2,.form-row-3{grid-template-columns:1fr}.modal-card{max-height:95vh}.modal-header,.modal-body,.modal-footer{padding-left:16px;padding-right:16px}.edit-icon-btn{opacity:1}}