:root{--bg: #0d0f14;--surface: #161a23;--card: #1e2231;--card-hover: #252a3a;--surface-2: #121724;--border: #2a2d3e;--border-strong: rgba(249, 115, 22, .35);--accent: #f97316;--accent-dim: rgba(249, 115, 22, .15);--accent-bright: #ff9a4d;--accent-dark: #ea6b0a;--glow-soft: rgba(249, 115, 22, .18);--glow-strong: rgba(249, 115, 22, .34);--success: #22c55e;--success-bright: #34d27b;--success-dim: rgba(34, 197, 94, .15);--warning: #f59e0b;--warning-dim: rgba(245, 158, 11, .14);--danger: #ef4444;--text: #f1f5f9;--text-2: #94a3b8;--text-3: #475569;--font: "Sarabun", "Noto Sans Thai", system-ui, sans-serif;--font-display: "Chakra Petch", "Sarabun", sans-serif;--radius: 12px;--radius-sm: 8px;--accent-ink: #291406;--success-ink: #062510;--shadow: 0 4px 32px rgba(0, 0, 0, .4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:linear-gradient(135deg,rgba(255,255,255,.015),transparent 24%),radial-gradient(circle at 18% 12%,rgba(249,115,22,.08),transparent 40%),radial-gradient(circle at 87% 88%,rgba(59,130,246,.06),transparent 35%),var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}button,input,textarea{font-family:var(--font)}.app{display:flex;height:100vh;overflow:hidden;position:relative;isolation:isolate}.main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.sidebar{width:220px;min-width:220px;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent 22%),linear-gradient(180deg,rgba(249,115,22,.06),transparent 40%),var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:0;overflow:hidden;box-shadow:inset -1px 0 #ffffff05}.sidebar-brand{padding:18px 16px 16px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border)}.sidebar-brand-icon{width:38px;height:38px;background:linear-gradient(135deg,var(--accent-bright),var(--accent));color:var(--accent-ink);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;box-shadow:0 0 0 1px #ffffff0f,0 10px 24px var(--glow-soft)}.sidebar-brand-name{font-size:15px;font-family:var(--font-display);font-weight:800;flex:1}.sidebar-brand-badge{font-size:10px;font-weight:700;background:var(--warning);color:#000;padding:2px 6px;border-radius:4px;letter-spacing:.5px}.sidebar-nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}.sidebar-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);cursor:pointer;font-size:14px;font-weight:500;color:var(--text-2);transition:all 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var(--border);background:var(--card);font-size:11px;display:flex;justify-content:space-between;align-items:center;color:var(--text-2)}.sidebar-user-role{text-transform:uppercase;letter-spacing:.4px;color:var(--accent-bright);font-weight:700;font-size:10px}.sidebar-logout-btn{margin-top:8px;width:100%;padding:8px 10px;border-radius:var(--radius-sm);border:1px solid var(--border);background:transparent;color:var(--text-2);font-size:12px;font-weight:600;cursor:pointer;transition:all .15s}.sidebar-logout-btn:hover{border-color:var(--danger);color:var(--danger);background:#ef44441f}.login-layout{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at 22% 18%,rgba(249,115,22,.14),transparent 40%),radial-gradient(circle at 84% 84%,rgba(59,130,246,.14),transparent 38%),var(--bg)}.login-card{width:min(460px,100%);border-radius:var(--radius);border:1px solid var(--border);background:linear-gradient(180deg,rgba(255,255,255,.03),transparent 40%),var(--surface);box-shadow:var(--shadow);padding:26px}.login-brand{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--accent-bright),var(--accent));display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:12px}.login-title{font-size:25px;font-family:var(--font-display);font-weight:800}.login-subtitle{font-size:13px;color:var(--text-2);margin:2px 0 16px}.login-form{display:flex;flex-direction:column;gap:9px}.login-input{width:100%;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--card);color:var(--text);padding:11px 12px;font-size:14px;outline:none;transition:all .15s}.login-input:focus{border-color:var(--accent);box-shadow:0 0 0 5px 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solid rgba(255,255,255,.04)}@keyframes modalIn{0%{opacity:0;transform:scale(.94) translateY(-10px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-title{font-size:17px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between}.modal-close{background:transparent;border:none;color:var(--text-3);font-size:18px;cursor:pointer;line-height:1;padding:2px 6px;border-radius:4px}.modal-close:hover{color:var(--text);background:var(--card)}.modal-content{display:flex;flex-direction:column;gap:0}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal-body{flex:1;overflow-y:auto;margin-bottom:16px}.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding-top:16px;border-top:1px solid var(--border)}.refund-info{background:var(--card);border-radius:var(--radius-sm);padding:12px;margin-bottom:14px}.refund-row{display:flex;justify-content:space-between;font-size:13px;color:var(--text-2);margin-bottom:6px}.refund-row:last-child{margin-bottom:0}.refund-row .refund-value{font-weight:700;color:var(--text)}.refund-fee{color:var(--danger)!important}.refund-total{border-top:1px solid var(--border);padding-top:8px;margin-top:4px!important;font-size:14px!important}.refund-total .refund-value{font-size:16px;color:var(--accent-bright)}.refund-reason{margin-bottom:14px}.refund-label{display:block;font-size:13px;font-weight:700;color:var(--text);margin-bottom:8px}.refund-options{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.refund-option{padding:10px 12px;background:var(--card);border:2px solid var(--border);border-radius:var(--radius-sm);color:var(--text-2);font-size:12px;font-weight:600;cursor:pointer;transition:all 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