:root{--color-background: #f4f6f4;--color-surface: #ffffff;--color-surface-muted: #eef3ee;--color-border: #e4e8e3;--color-border-strong: #d3dad2;--color-primary: #1d593f;--color-primary-dark: #12402f;--color-primary-soft: #e6f0ea;--color-on-primary: #ffffff;--color-text-primary: #16241d;--color-text-secondary: #647169;--color-text-faint: #93a099;--color-danger: #c53030;--color-danger-soft: rgba(197, 48, 48, .1);--color-success-soft: #e6f4e7;--color-warning-soft: #f7f1d7;--color-accent: #2563a8;--color-accent-soft: #e5eef7;--shadow-sm: 0 1px 2px rgba(18, 64, 47, .05);--shadow-md: 0 6px 20px rgba(18, 64, 47, .08);--radius-lg: 18px;--radius-md: 12px;--sidebar-width: 248px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-background);color:var(--color-text-primary);-webkit-font-smoothing:antialiased}a{color:var(--color-primary)}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:14px}.app-shell{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-width);flex-shrink:0;height:100vh;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;overflow:hidden}.sidebar-header{padding:22px 20px 16px;border-bottom:1px solid var(--color-border);flex-shrink:0}.logo{display:flex;align-items:center;gap:10px}.logo-badge{width:34px;height:34px;border-radius:10px;background:var(--color-primary);color:var(--color-on-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.logo-text{font-size:15px;font-weight:800;color:var(--color-text-primary);line-height:1.15;display:flex;flex-direction:column}.logo-subtext{font-size:11px;font-weight:600;color:var(--color-text-faint);text-transform:uppercase;letter-spacing:.06em}.sidebar-nav{flex:1;min-height:0;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:2px}.sidebar-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-md);color:var(--color-text-secondary);text-decoration:none;font-size:13px;font-weight:600;transition:background .12s ease,color .12s ease}.sidebar-link:hover{background:var(--color-surface-muted);color:var(--color-text-primary)}.sidebar-link.active{background:var(--color-primary-soft);color:var(--color-primary)}.sidebar-link.sub{padding-left:32px;font-size:12px;font-weight:500}.sidebar-footer{flex-shrink:0;border-top:1px solid var(--color-border);padding:14px 16px}.sidebar-account{display:flex;align-items:center;gap:10px;margin-bottom:10px;min-width:0}.avatar{width:34px;height:34px;border-radius:50%;background:var(--color-primary-soft);color:var(--color-primary);font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.sidebar-account-text{min-width:0}.sidebar-account-name{font-size:13px;font-weight:700;color:var(--color-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-account-email{font-size:11px;color:var(--color-text-faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-logout{width:100%;display:flex;align-items:center;gap:8px;background:none;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-danger);font-weight:600;font-size:12px;padding:8px 10px}.sidebar-logout:hover{background:var(--color-danger-soft)}.main-content{flex:1;overflow-y:auto;padding:36px 44px;min-width:0}.main-content>*{max-width:1320px;margin-left:auto;margin-right:auto}@media(max-width:720px){.main-content{padding:20px}}.page-title{font-size:24px;font-weight:800;margin:0 0 24px;letter-spacing:-.01em}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:22px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px 22px;display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.stat-card-icon{width:38px;height:38px;border-radius:12px;background:var(--color-primary-soft);color:var(--color-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-card-label{font-size:12px;color:var(--color-text-secondary);font-weight:600}.stat-card-value{font-size:28px;font-weight:800;margin-top:6px;color:var(--color-text-primary)}.status-row{display:flex;justify-content:space-between;padding:9px 0;font-size:14px;border-bottom:1px solid var(--color-border)}.status-row:last-child{border-bottom:none}table{width:100%;border-collapse:separate;border-spacing:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}th,td{text-align:left;padding:13px 18px;font-size:13.5px;border-bottom:1px solid var(--color-border)}th{background:var(--color-surface-muted);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--color-text-secondary)}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:var(--color-surface-muted)}tr.clickable-row{cursor:pointer}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:12px;flex-wrap:wrap}.search-input{padding:9px 14px;border-radius:10px;border:1px solid var(--color-border-strong);min-width:260px;background:var(--color-surface)}.search-input:focus,.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft)}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:10px;border:1px solid var(--color-border-strong);background:var(--color-surface);color:var(--color-text-primary);font-size:13px;font-weight:600;text-decoration:none;transition:background .12s ease,border-color .12s ease}.btn:hover{background:var(--color-surface-muted)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-on-primary)}.btn-primary:hover{background:var(--color-primary-dark)}.btn-danger{background:none;border-color:var(--color-danger-soft);color:var(--color-danger)}.btn-danger:hover{background:var(--color-danger-soft)}.badge{display:inline-block;padding:3px 11px;border-radius:999px;font-size:11px;font-weight:700}.badge-admin{background:var(--color-success-soft);color:var(--color-primary)}.badge-user{background:var(--color-surface-muted);color:var(--color-text-secondary)}.form-field{margin-bottom:18px;display:flex;flex-direction:column;gap:6px}.form-field label{font-size:12px;font-weight:700;color:var(--color-text-secondary)}.form-field input,.form-field select,.form-field textarea{padding:10px 13px;border-radius:10px;border:1px solid var(--color-border-strong);background:var(--color-surface)}.form-hint{font-size:12px;color:var(--color-text-faint);line-height:1.5}.form-error{color:var(--color-danger);background:var(--color-danger-soft);border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:16px}.pagination{display:flex;justify-content:flex-end;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--color-text-secondary)}.tabs{display:flex;gap:4px;margin-bottom:20px;border-bottom:1px solid var(--color-border)}.tab-button{background:none;border:none;padding:10px 16px;font-size:13.5px;font-weight:600;color:var(--color-text-secondary);border-bottom:2px solid transparent;margin-bottom:-1px}.tab-button:hover{color:var(--color-text-primary)}.tab-button.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,var(--color-background) 0%,#eaf1ea 100%)}.login-card{width:380px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:22px;box-shadow:var(--shadow-md);padding:36px}.login-logo{display:flex;justify-content:center;margin-bottom:20px}.login-card h1{font-size:20px;margin:0 0 4px;text-align:center}.login-card p{color:var(--color-text-secondary);font-size:13px;margin:0 0 24px;text-align:center}.rich-text-editor{border:1px solid var(--color-border-strong);border-radius:10px;background:var(--color-surface);overflow:hidden}.rich-text-toolbar{display:flex;flex-wrap:wrap;gap:2px;padding:6px;border-bottom:1px solid var(--color-border);background:var(--color-surface-muted)}.rich-text-toolbar button{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:none;border-radius:8px;background:transparent;color:var(--color-text-secondary);cursor:pointer}.rich-text-toolbar button:hover{background:var(--color-border)}.rich-text-toolbar button.active{background:var(--color-primary-soft);color:var(--color-primary)}.rich-text-toolbar button:disabled{opacity:.5;cursor:not-allowed}.rich-text-content{padding:12px 16px;min-height:220px}.rich-text-content .ProseMirror{outline:none;line-height:1.6}.rich-text-content .ProseMirror img{max-width:100%;border-radius:8px}.empty-state{color:var(--color-text-secondary);font-size:14px;padding:32px 0;text-align:center}