*{box-sizing:border-box}:root{--blue:#2563eb;--blue2:#0ea5e9;--navy:#0f172a;--bg:#f8fafc;--card:#fff;--text:#111827;--muted:#64748b;--border:#dbe4f0;--danger:#dc2626;--success:#15803d}html,body{margin:0;min-height:100%;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}button,input,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.screen{min-height:100vh}.center-screen{display:grid;place-items:center;padding:24px;background:linear-gradient(145deg,#dbeafe,#eff6ff 55%,#fff)}.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--border);border-radius:24px;padding:28px;box-shadow:0 18px 50px rgba(15,23,42,.12)}.logo-box{width:72px;height:72px;border-radius:20px;display:grid;place-items:center;margin:0 auto 16px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;font-size:24px;font-weight:800}h1,h2,h3,p{margin-top:0}.login-card h1{text-align:center;margin-bottom:8px}.muted{color:var(--muted);text-align:center;margin-bottom:24px}label{display:block;font-weight:700;margin:14px 0 7px}input,textarea{width:100%;padding:14px 15px;border:1px solid var(--border);border-radius:12px;outline:none;background:#fff;color:var(--text)}textarea{resize:vertical}input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12)}.primary-button{width:100%;border:0;border-radius:12px;background:var(--blue);color:#fff;padding:14px;margin-top:20px;font-weight:800}.primary-button.compact{width:auto;margin-top:0;padding:13px 22px}.primary-button:disabled{opacity:.6;cursor:not-allowed}.secondary-button{border:1px solid var(--border);background:#fff;color:var(--navy);border-radius:12px;padding:12px 18px;font-weight:700}.link-button{border:0;background:transparent;color:var(--blue);font-weight:700;padding:6px}.message{min-height:22px;margin:14px 0 0;text-align:center;color:var(--danger)}.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 16px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;box-shadow:0 4px 16px rgba(15,23,42,.16)}.topbar>div{display:flex;flex-direction:column;flex:1}.topbar small{opacity:.88;margin-top:3px}.icon-button{width:42px;height:42px;border:0;border-radius:12px;background:rgba(255,255,255,.16);color:#fff;font-size:22px}.content{width:min(1100px,100%);margin:auto;padding:18px}.welcome-card,.panel{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:18px;margin-bottom:18px;box-shadow:0 7px 24px rgba(15,23,42,.05)}.welcome-card h2{margin-bottom:6px}.welcome-card p{margin:0;color:var(--muted)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}.stat-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:8px}.stat-card span{color:var(--muted);font-size:14px}.stat-card strong{font-size:28px;color:var(--navy)}.menu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}.menu-card{min-height:145px;border:1px solid var(--border);border-radius:20px;background:linear-gradient(145deg,#fff,#eff6ff);padding:18px;text-align:left;display:flex;flex-direction:column;gap:8px;box-shadow:0 8px 22px rgba(15,23,42,.06)}.menu-card:hover{transform:translateY(-2px);transition:.18s}.menu-card strong{font-size:18px}.menu-card small{color:var(--muted)}.menu-icon{font-size:30px}#connectionStatus.ok{color:var(--success);font-weight:700}#connectionStatus.bad{color:var(--danger);font-weight:700}.customer-toolbar{position:sticky;top:82px;z-index:3}.search-row{display:grid;grid-template-columns:1fr auto;gap:10px}.toolbar-meta{display:flex;justify-content:space-between;align-items:center;margin-top:12px;color:var(--muted)}.customer-list{display:grid;gap:12px}.customer-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:16px;box-shadow:0 7px 20px rgba(15,23,42,.05)}.customer-card-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.customer-card h3{margin:0 0 5px;font-size:19px}.customer-no{color:var(--muted);font-size:13px}.customer-lines{display:grid;gap:8px;margin-top:14px;color:#334155}.customer-line{display:flex;gap:9px;align-items:flex-start}.customer-line span:first-child{width:22px;flex:0 0 22px}.customer-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.action-button{border:1px solid var(--border);background:#f8fafc;border-radius:10px;padding:9px 12px;font-weight:700;color:#1e3a8a;text-decoration:none}.action-button.edit{color:#111827}.empty-state{text-align:center;background:#fff;border:1px dashed #b8c7da;border-radius:20px;padding:42px 20px}.empty-icon{font-size:46px;margin-bottom:10px}.empty-state p{color:var(--muted);max-width:440px;margin:0 auto 18px}.modal{position:fixed;inset:0;z-index:20;background:rgba(15,23,42,.55);padding:18px;display:grid;place-items:center}.modal-card{width:min(760px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:22px;padding:22px;box-shadow:0 28px 80px rgba(15,23,42,.3)}.modal-header{display:flex;justify-content:space-between;gap:15px;align-items:flex-start;border-bottom:1px solid var(--border);padding-bottom:14px}.modal-header h2{margin-bottom:5px}.modal-subtitle{color:var(--muted);margin:0}.close-button{width:40px;height:40px;border:0;border-radius:12px;background:#eef2f7;font-size:26px;color:#334155}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 14px}.field.full{grid-column:1/-1}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}@media(max-width:760px){.stats-grid{grid-template-columns:repeat(2,1fr)}.menu-grid{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}}@media(max-width:430px){.content{padding:12px}.menu-grid{gap:10px}.menu-card{min-height:126px;padding:14px}.menu-card strong{font-size:16px}.customer-toolbar{top:74px}.search-row{grid-template-columns:1fr}.search-row .secondary-button{width:100%}.modal{padding:8px;place-items:end center}.modal-card{max-height:95vh;border-radius:22px 22px 0 0;padding:17px}.modal-actions{position:sticky;bottom:-17px;background:#fff;padding:12px 0 17px}}