:root{--green:#178337;--green-dark:#0f6428;--border:#d9e1d9;--text:#111;--muted:#66736a;--bg:#fff;--soft:#f3f7f3;--red:#c62828}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:15px Arial,Helvetica,sans-serif}button,input,select{font:inherit}.terminal-app{height:100dvh;display:flex;flex-direction:column;background:#fff;overflow:hidden}.terminal-top{height:58px;flex:none;background:var(--green);color:#fff;display:flex;align-items:center;gap:8px;padding:0 10px;border-bottom:3px solid var(--green-dark)}.terminal-top b{display:block;font-size:18px;line-height:1.1}.terminal-top span{display:block;font-size:11px;opacity:.88;margin-top:3px}.back-btn{width:44px;height:44px;border:0;background:#fff2;color:#fff;border-radius:6px;font-size:34px;line-height:1}.back-btn:disabled{opacity:.28}.terminal-body{flex:1;min-height:0;overflow:auto;-webkit-overflow-scrolling:touch;background:#fff;padding:10px 10px calc(12px + env(safe-area-inset-bottom))}.menu-grid{display:grid;gap:10px}.terminal-btn{border:0;border-radius:7px;background:var(--green);color:#fff;font-weight:800;min-height:54px;padding:12px 14px;text-align:center;box-shadow:inset 0 -2px #0002,0 1px 2px #0001;letter-spacing:.2px}.terminal-btn:active{transform:translateY(1px);background:var(--green-dark)}.terminal-btn.primary{background:var(--green-dark)}.terminal-btn.menu-btn{min-height:70px;font-size:20px;text-align:left;padding-left:18px}.terminal-btn.selected{outline:3px solid #111;background:#0c5c24}.terminal-btn.danger{background:#b3261e}.terminal-stack{display:grid;gap:10px}.scan-input,.terminal-form input,.terminal-form select,.field input,.field select{width:100%;min-height:48px;border:2px solid var(--border);border-radius:6px;background:#fff;padding:10px 12px;font-size:18px}.list-panel{display:grid;gap:8px}.customer-row{width:100%;border:2px solid var(--border);background:#fff;border-radius:7px;padding:12px;text-align:left;display:grid;gap:4px;color:var(--text)}.customer-row b{font-size:18px}.customer-row span{color:var(--muted);font-size:13px}.customer-row strong{font-size:16px}.debt{color:var(--red)}.credit{color:var(--green-dark)}.customer-card{border:2px solid var(--border);border-radius:8px;background:var(--soft);padding:14px;display:grid;gap:12px}.customer-card small{color:var(--muted);font-weight:800;text-transform:uppercase}.customer-card h1{font-size:24px;margin:0}.balance-line{display:flex;justify-content:space-between;gap:10px;align-items:center;border-top:1px solid var(--border);padding-top:10px}.balance-line b{font-size:20px}.limit-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.limit-grid div,.info-box{background:#fff;border:1px solid var(--border);border-radius:7px;padding:10px;display:grid;gap:5px}.limit-grid span,.info-box span{color:var(--muted);font-size:12px;font-weight:800}.limit-grid b,.info-box b{font-size:17px}.action-grid,.type-grid{display:grid;grid-template-columns:1fr;gap:10px}.terminal-form{display:grid;gap:12px;padding-bottom:84px}.terminal-form label{display:grid;gap:5px;font-size:13px;color:var(--muted);font-weight:800}.customer-strip{background:var(--soft);border:2px solid var(--border);border-radius:8px;padding:12px;display:grid;gap:4px}.customer-strip b{font-size:19px}.customer-strip span{color:var(--muted)}.sticky-save{position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:20;min-height:58px;font-size:18px}.success{background:#e8f5e9;color:var(--green-dark);border:1px solid #9ccc9c;border-radius:7px;padding:10px;font-weight:800}.error{background:#ffebee;color:#b3261e;border-radius:7px;padding:10px;font-weight:800}.report-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.info-box{min-height:82px}.empty-state,.fatal{margin:18px 0;padding:20px;border:2px dashed var(--border);border-radius:8px;text-align:center;color:var(--muted);background:var(--soft)}.login{min-height:100dvh;display:grid;place-items:center;background:#fff;padding:14px}.terminal-login form{width:min(390px,100%);border:3px solid var(--green);border-radius:10px;padding:18px;background:#fff;display:grid;gap:12px}.brand-mark{background:var(--green);color:#fff;border-radius:7px;padding:16px;text-align:center;font-weight:900;font-size:24px}.login-sub{text-align:center;color:var(--muted);font-weight:800}.terminal-login label{display:grid;gap:5px;font-weight:800;color:var(--muted)}.terminal-login input{min-height:52px;border:2px solid var(--border);border-radius:6px;padding:10px;font-size:18px}.date-field{display:grid;gap:5px;font-size:13px;color:var(--muted);font-weight:800}@media(min-width:520px){.menu-grid,.action-grid,.type-grid{grid-template-columns:1fr 1fr}.terminal-btn.menu-btn{text-align:center}.terminal-app{max-width:520px;margin:0 auto;border-left:1px solid var(--border);border-right:1px solid var(--border)}}@media(max-width:360px){.terminal-btn.menu-btn{font-size:18px;min-height:64px}.customer-card h1{font-size:21px}.limit-grid,.report-grid{grid-template-columns:1fr}}@media(display-mode:standalone){body{padding-top:env(safe-area-inset-top)}}