*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f5f6f8;--surface: #ffffff;--border: #e2e5e9;--text: #1a1d23;--text-secondary: #6b7280;--primary: #2563eb;--primary-hover: #1d4ed8;--success: #059669;--success-bg: #ecfdf5;--warning: #d97706;--warning-bg: #fffbeb;--danger: #dc2626;--tag-train: #dbeafe;--tag-train-text: #1e40af;--tag-bus: #fce7f3;--tag-bus-text: #9d174d;--tag-srt: #ede9fe;--tag-srt-text: #5b21b6;--tag-korail: #dbeafe;--tag-korail-text: #1e40af;--radius: 10px;--radius-sm: 6px;--shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08)}body{font-family:Pretendard,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}.app{max-width:1100px;margin:0 auto;padding:32px 20px}.header{margin-bottom:28px}.header h1{font-size:24px;font-weight:700;letter-spacing:-.02em}.header .subtitle{color:var(--text-secondary);font-size:14px;margin-top:4px}.stats{display:flex;gap:12px;margin-bottom:24px;flex-wrap:wrap}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;min-width:140px;box-shadow:var(--shadow)}.stat-card .label{font-size:12px;color:var(--text-secondary);font-weight:500;text-transform:uppercase;letter-spacing:.04em}.stat-card .value{font-size:28px;font-weight:700;margin-top:2px}.stat-card .value.success{color:var(--success)}.stat-card .value.warning{color:var(--warning)}.filters{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}.filter-btn{padding:7px 16px;border:1px solid var(--border);border-radius:20px;background:var(--surface);font-size:13px;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .15s;font-family:inherit}.filter-btn:hover{border-color:var(--primary);color:var(--primary)}.filter-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.person-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;box-shadow:var(--shadow);overflow:hidden}.person-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .1s}.person-header:hover{background:#fafbfc}.person-name{font-size:16px;font-weight:600}.person-badge{display:flex;gap:8px;align-items:center}.badge{font-size:12px;font-weight:600;padding:3px 10px;border-radius:12px}.badge.booked{background:var(--success-bg);color:var(--success)}.badge.pending{background:var(--warning-bg);color:var(--warning)}.trip-list{border-top:1px solid var(--border)}.trip-row{display:grid;grid-template-columns:90px 1fr auto auto;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid #f1f3f5;font-size:14px;transition:background .1s}.trip-row:last-child{border-bottom:none}.trip-row:hover{background:#fafbfc}.trip-row.is-booked{opacity:.55}.trip-date{font-weight:600;font-size:13px;white-space:nowrap}.trip-date .day{color:var(--text-secondary);font-weight:400;margin-left:2px}.trip-route{display:flex;align-items:center;gap:6px;font-size:14px;min-width:0}.trip-route .station{font-weight:500;white-space:nowrap}.trip-route .time{color:var(--text-secondary);font-size:12px;white-space:nowrap}.trip-route .arrow{color:var(--text-secondary);flex-shrink:0}.trip-tags{display:flex;gap:4px;flex-shrink:0}.tag{font-size:11px;font-weight:600;padding:2px 8px;border-radius:4px;white-space:nowrap}.tag.korail{background:var(--tag-korail);color:var(--tag-korail-text)}.tag.srt{background:var(--tag-srt);color:var(--tag-srt-text)}.tag.bus{background:var(--tag-bus);color:var(--tag-bus-text)}.tag.expense{background:#fef3c7;color:#92400e}.trip-actions{display:flex;gap:6px;flex-shrink:0}.action-btn{padding:5px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:12px;font-weight:500;cursor:pointer;transition:all .15s;font-family:inherit;background:var(--surface);color:var(--text-secondary)}.action-btn:hover{border-color:var(--primary);color:var(--primary)}.action-btn.checked{background:var(--success);border-color:var(--success);color:#fff}.action-btn.notified-checked{background:var(--primary);border-color:var(--primary);color:#fff}.action-btn.confirmed-checked{background:#7c3aed;border-color:#7c3aed;color:#fff}.toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:20px;flex-wrap:wrap}.toolbar .filters{margin-bottom:0;flex:1}.view-toggle{display:flex;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0}.view-btn{padding:7px 16px;font-size:13px;font-weight:500;cursor:pointer;border:none;background:var(--surface);color:var(--text-secondary);font-family:inherit;transition:all .15s}.view-btn:hover{background:#f1f3f5}.view-btn.active{background:var(--primary);color:#fff}.cal-month-view{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:20px}.cal-month-nav{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border)}.cal-month-title{font-size:17px;font-weight:700}.cal-nav-btn{background:none;border:1px solid var(--border);border-radius:var(--radius-sm);width:32px;height:32px;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all .15s;font-family:inherit;line-height:1}.cal-nav-btn:hover{border-color:var(--primary);color:var(--primary)}.cal-dow-row{display:grid;grid-template-columns:repeat(7,1fr);border-bottom:1px solid var(--border);background:#fafbfc}.cal-dow{text-align:center;padding:8px 4px;font-size:12px;font-weight:600;color:var(--text-secondary)}.cal-week-row{display:grid;grid-template-columns:repeat(7,1fr);border-bottom:1px solid var(--border)}.cal-week-row:last-child{border-bottom:none}.cal-cell{border-right:1px solid var(--border);padding:8px 6px;min-height:130px}.cal-cell:last-child{border-right:none}.cal-other-month{background:#fafbfc}.cal-other-month .cal-day-num{color:#c9cdd4}.cal-sun .cal-day-num{color:#dc2626}.cal-sat .cal-day-num{color:var(--primary)}.cal-other-month.cal-sun .cal-day-num{color:#fca5a5}.cal-other-month.cal-sat .cal-day-num{color:#93c5fd}.cal-day-num{font-size:13px;font-weight:700;display:block;margin-bottom:5px}.cal-cell-trips{display:flex;flex-direction:column;gap:5px}.cal-group{background:#f8f9fa;border-radius:var(--radius-sm);padding:5px 6px;border-left:3px solid var(--primary)}.cal-group-header{display:flex;align-items:center;gap:3px;flex-wrap:wrap;margin-bottom:4px}.cal-group-time{font-size:11px;font-weight:700}.cal-group-route{font-size:10px;color:var(--text-secondary)}.cal-group-members{display:flex;flex-direction:column;gap:3px}.cal-name-row{display:flex;align-items:center;justify-content:space-between;gap:4px}.cal-name-badge{font-size:10px;font-weight:600;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1px 5px;white-space:nowrap}.cal-member-dots{display:flex;align-items:center;gap:3px;flex-shrink:0}.status-dot{width:7px;height:7px;border-radius:50%;display:inline-block;flex-shrink:0}.status-dot.dot-booked{background:var(--success)}.status-dot.dot-notified{background:var(--primary)}.status-dot.dot-confirmed{background:#7c3aed}.status-dot.dot-empty{background:#d1d5db}.expense-chip{font-size:9px;font-weight:600;color:#92400e;background:#fef3c7;padding:1px 4px;border-radius:3px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;z-index:100}.modal-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:24px;width:320px;max-width:calc(100vw - 40px)}.modal-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.modal-name{font-size:18px;font-weight:700;margin-bottom:4px}.modal-route{font-size:14px;font-weight:500;display:flex;align-items:center;gap:6px;margin-bottom:6px}.modal-arrow{color:var(--text-secondary)}.modal-meta{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-secondary)}.modal-close{background:none;border:none;font-size:16px;cursor:pointer;color:var(--text-secondary);padding:4px;line-height:1;border-radius:4px;flex-shrink:0}.modal-close:hover{background:#f1f3f5;color:var(--text)}.modal-actions{display:flex;flex-direction:column;gap:10px}.modal-btn{display:flex;align-items:center;gap:10px;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);font-size:14px;font-weight:500;cursor:pointer;font-family:inherit;color:var(--text-secondary);transition:all .15s;width:100%;text-align:left}.modal-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.modal-btn:disabled{opacity:.4;cursor:not-allowed}.modal-btn-icon{font-size:15px;width:20px;text-align:center}.modal-btn-booked{background:var(--success-bg);border-color:var(--success);color:var(--success)}.modal-btn-notified{background:#eff6ff;border-color:var(--primary);color:var(--primary)}.modal-btn-confirmed{background:#f5f3ff;border-color:#7c3aed;color:#7c3aed}.modal-expense{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary)}.cal-name-badge{cursor:pointer}.cal-name-badge:hover{background:#e5e7eb}.cal-cell-has-trips{cursor:pointer}.cal-cell-selected{background:#eff6ff!important}.cal-cell-selected .cal-day-num{color:var(--primary)!important;font-weight:800}.cal-cell-dot{display:none;width:8px;height:8px;border-radius:50%;background:var(--primary);margin:3px auto 0}.cal-day-panel{border-top:2px solid var(--primary);padding:16px 20px;background:#f8faff;display:flex;flex-direction:column;gap:8px}.cal-day-panel-header{font-size:14px;font-weight:700;color:var(--primary);margin-bottom:4px}.cal-group-panel{padding:10px 12px}.cal-group-panel .cal-name-badge{font-size:13px;padding:3px 8px}.cal-group-panel .cal-group-time{font-size:13px}.cal-group-panel .cal-group-route{font-size:12px}.cal-group-panel .status-dot{width:9px;height:9px}.expand-icon{font-size:12px;color:var(--text-secondary);transition:transform .2s}.expand-icon.open{transform:rotate(180deg)}@media(max-width:700px){.app{padding:16px 12px}.header h1{font-size:20px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.stat-card{min-width:0;padding:10px 12px}.stat-card .value{font-size:22px}.stat-card .label{font-size:11px}.toolbar{flex-direction:column;align-items:stretch;gap:10px}.view-toggle{align-self:flex-start}.trip-row{grid-template-columns:1fr;gap:6px;padding:14px 16px}.trip-actions{justify-content:flex-end;flex-wrap:wrap;gap:4px}.action-btn{font-size:11px;padding:4px 8px}.cal-month-title{font-size:15px}.cal-dow{font-size:11px;padding:6px 2px}.cal-cell{min-height:48px;padding:6px 4px;text-align:center}.cal-day-num{font-size:13px;margin-bottom:0;display:block}.cal-cell-trips{display:none}.cal-cell-dot{display:block}.cal-day-panel{padding:14px 16px}.cal-group-panel .cal-name-badge{font-size:12px}}