@import"https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css";:root{--color-primary: #2196f3;--color-primary-hover: #1976d2;--color-primary-dark: #1565c0;--color-primary-light: #eaf5fd;--color-primary-lighter: #d6ebfa;--color-border: #d8dee5;--color-border-strong: #b0bac5;--color-bg: #f5f7fa;--color-surface: #ffffff;--color-table-header-bg: #f0f1f3;--color-on-primary-muted: #bbdefb;--header-height: 72px;--color-text: #0f172a;--color-text-muted: #5b6b85;--color-success: #16a34a;--color-success-bg: #dcfce7;--color-danger: #dc2626;--color-danger-bg: #fee2e2;--color-warning: #d97706;--color-warning-bg: #fef3c7;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--radius-sm: 5px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 4px 16px rgba(30, 58, 138, .08);--transition-fast: .12s ease;font:16px/1.6 Pretendard,system-ui,Malgun Gothic,Apple SD Gothic Neo,Segoe UI,Roboto,sans-serif;color:var(--color-text);background:var(--color-bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--color-bg)}#root{min-height:100vh}h1,h2,h3{color:var(--color-text)}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;font-size:15px;line-height:1.5;border:1px solid var(--color-border-strong);border-radius:4px;padding:6px 8px;background:var(--color-surface);color:var(--color-text)}input:focus,textarea:focus,select:focus{outline:2px solid var(--color-primary);outline-offset:1px}input:disabled,textarea:disabled,select:disabled{background:var(--color-bg);color:var(--color-text-muted);cursor:not-allowed}input,textarea,select,button{transition:border-color var(--transition-fast),background var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast),opacity var(--transition-fast)}a{color:var(--color-primary)}header a{text-decoration:none}.page-container{width:90%;max-width:1800px;margin:0 auto}.page-container-wide{width:95%}@media (max-width: 640px){.page-container{width:100%;padding:0 14px}}.week-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}@media (max-width: 860px){.week-grid{grid-template-columns:1fr}}.admin-header{background:var(--color-primary-dark);color:#fff}.admin-header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;height:var(--header-height)}.admin-menu-btn{display:none;align-items:center;justify-content:center;background:#ffffff1f;color:#fff;border:none;border-radius:var(--radius-sm);padding:8px;line-height:1}.admin-menu-btn:hover{background:#ffffff38}.admin-nav-desktop{display:flex;align-items:center;gap:24px;flex:1}.admin-nav-mobile{display:none;flex-direction:column;gap:2px;padding:4px 0 14px}.admin-nav-mobile a,.admin-nav-mobile button{display:block;width:100%;text-align:left;padding:10px 4px;font-size:15px;color:var(--color-on-primary-muted);background:transparent;border:none;border-bottom:1px solid rgba(255,255,255,.14);border-radius:4px}.admin-nav-mobile a:hover,.admin-nav-mobile button:hover{background:#ffffff14;color:#fff}.admin-nav-mobile a.active{color:#fff;font-weight:700}@media (max-width: 768px){.admin-menu-btn{display:inline-flex;align-items:center}.admin-nav-desktop,.admin-header-actions{display:none}.admin-nav-mobile.open{display:flex}}.history-layout{display:grid;grid-template-columns:280px 1fr;gap:20px}@media (max-width: 768px){.history-layout{grid-template-columns:1fr}}.table-scroll{width:100%;overflow-x:auto}@media (max-width: 860px){.table-scroll table{min-width:640px}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-1);font-size:14px;font-weight:600;padding:9px 16px;border-radius:var(--radius-md);border:1px solid transparent;white-space:nowrap;line-height:1.2}.btn-sm{font-size:13px;padding:5px 10px;border-radius:var(--radius-sm);font-weight:500}.btn:active{transform:translateY(1px)}.btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.btn:disabled{cursor:not-allowed;opacity:.55;transform:none}.btn-primary-solid{background:var(--color-primary);color:#fff}.btn-primary-solid:hover:not(:disabled){background:var(--color-primary-hover)}.btn-outline{background:var(--color-surface);color:var(--color-primary-dark);border-color:var(--color-border-strong)}.btn-outline:hover:not(:disabled){background:var(--color-primary-light);border-color:var(--color-primary)}.btn-danger{background:var(--color-danger-bg);color:var(--color-danger);border-color:var(--color-danger)}.btn-danger:hover:not(:disabled){background:var(--color-danger);color:#fff}.btn-danger-solid{background:var(--color-danger);color:#fff}.btn-danger-solid:hover:not(:disabled){background:#b91c1c}.btn-ghost{background:transparent;color:var(--color-primary);border:1px dashed var(--color-border-strong);font-size:13px;font-weight:500}.btn-ghost:hover:not(:disabled){background:var(--color-primary-light);border-color:var(--color-primary)}.badge{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;line-height:1.4}.badge-success{background:var(--color-success-bg);color:var(--color-success)}.badge-warning{background:var(--color-warning-bg);color:var(--color-warning)}.badge-danger{background:var(--color-danger-bg);color:var(--color-danger)}.badge-neutral{background:var(--color-primary-light);color:var(--color-text-muted)}@keyframes spin{to{transform:rotate(360deg)}}.spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}.loading-row{display:inline-flex;align-items:center;gap:var(--space-2);color:var(--color-text-muted);font-size:14px}.btn-primary-solid .spinner,.btn-danger-solid .spinner{border-color:#fff6;border-top-color:#fff}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-5) var(--space-3);color:var(--color-text-muted);font-size:14px;text-align:center}.empty-state svg{color:var(--color-border-strong)}.data-table tbody tr:hover{background:var(--color-primary-light)}.data-table th{-webkit-user-select:none;user-select:none}.data-table th:hover{color:var(--color-primary)}.header-link{display:inline-flex;align-items:center;gap:4px;color:var(--color-on-primary-muted);padding:4px 2px;border-radius:4px}.header-link:hover{color:#fff}.app-header{background:var(--color-primary-dark);color:#fff;height:var(--header-height);display:flex;align-items:center}@media (max-width: 768px){.app-header{height:auto;min-height:var(--header-height);padding:10px 0}}.header-btn,.header-logout-btn{display:inline-flex;align-items:center;gap:6px;background:#ffffff1f;color:#fff;border:none;border-radius:var(--radius-sm);padding:6px 12px;font-size:13px;font-weight:600;text-decoration:none;white-space:nowrap}.header-btn:hover,.header-logout-btn:hover{background:#ffffff38;color:#fff}.tab-btn-inactive:hover{background:var(--color-primary-lighter)!important;color:var(--color-primary-dark)!important}.history-item{border:1px solid var(--color-border);border-left:3px solid transparent;border-radius:var(--radius-md);padding:10px 10px 10px 8px;margin-bottom:8px;cursor:pointer;background:var(--color-surface)}.history-item:hover{border-color:var(--color-border-strong);background:var(--color-primary-light)}.history-item.selected{border-left-color:var(--color-primary);background:var(--color-primary-lighter)}