:root{--bg: #f6f7f9;--panel: #ffffff;--border: #e5e7eb;--text: #111827;--muted: #6b7280;--primary: #4d085e;--primary-dark: #3a0647;--danger: #dc2626;--ok: #059669;--warn: #d97706;--radius: 10px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px}a{color:var(--primary);text-decoration:none}h1{font-size:22px;margin:0 0 4px}h2{font-size:16px;margin:0 0 12px}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:#0f172a;color:#cbd5e1;padding:18px 12px;flex-shrink:0}.sidebar .brand{background:#fff;border-radius:8px;padding:5px 8px;margin:2px 4px 8px;display:flex;align-items:center;gap:9px}.sidebar .brand .brand-icon{display:block;height:auto;width:100%;max-width:148px}.sidebar .brand .brand-name{font-size:19px;font-weight:700;color:#173f7c;letter-spacing:.2px}.sidebar .brand-sub{color:#94a3b8;font-size:12px;padding:0 6px 12px}.sidebar nav a{display:block;color:#cbd5e1;padding:9px 10px;border-radius:8px;margin-bottom:2px}.sidebar nav a:hover{background:#1e293b;color:#fff}.sidebar nav a.active{background:var(--primary);color:#fff}.sidebar .section{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:#64748b;padding:14px 10px 6px}.sidebar-support{color:#94a3b8;font-size:12px;padding:16px 10px 4px;margin-top:12px;border-top:1px solid #1e293b}.sidebar-support a{color:#cbd5e1}.main{flex:1;min-width:0;padding:24px 28px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.topbar .user{color:var(--muted);font-size:13px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:18px}.panel:has(table){overflow-x:auto}.panel.help{max-width:760px}.panel.help h2{margin:0 0 8px;font-size:17px}.panel.help p{margin:6px 0;line-height:1.55}.panel.help ul,.panel.help ol{margin:6px 0;padding-left:20px;line-height:1.6}.panel.help 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var(--border)}button.secondary:hover,.btn.secondary:hover{background:#e5e7eb}button.danger{background:var(--danger)}button.small,.btn.small{padding:5px 10px;font-size:13px}button:disabled{opacity:.5;cursor:not-allowed}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}.badge.pending{background:#fef3c7;color:#92400e}.badge.confirmed{background:#dbeafe;color:#1e40af}.badge.shipped{background:#e0e7ff;color:#3730a3}.badge.delivered,.badge.paid,.badge.issued{background:#d1fae5;color:#065f46}.badge.backordered,.badge.overdue{background:#fee2e2;color:#991b1b}.badge.cancelled,.badge.void{background:#f3f4f6;color:#6b7280}.badge.sent{background:#cbd5e1;color:#1e293b}.badge.draft{background:#f1f5f9;color:#94a3b8}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.auth-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:32px;width:360px;box-shadow:0 1px 3px #0000000f}.auth-card .auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}.auth-card .auth-brand .auth-logo{height:auto;width:230px;max-width:100%;display:block}.auth-card .auth-brand .auth-name{font-size:26px;font-weight:700;color:#173f7c;letter-spacing:.2px}.auth-card .brand{font-size:22px;font-weight:700;margin-bottom:4px}.auth-card .auth-subtitle{font-size:15px;font-weight:600;color:#173f7c;margin-bottom:4px}.auth-card .sub{color:var(--muted);margin-bottom:22px;font-size:13px}.error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:9px 12px;border-radius:8px;margin-bottom:12px;font-size:13px}.success{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;padding:9px 12px;border-radius:8px;margin-bottom:12px;font-size:13px}.muted{color:var(--muted)}.right{text-align:right}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:12px}.tabs{display:flex;gap:2px;border-bottom:1px solid 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