:root{--color-bg:#f4f6f8;--color-surface:#fff;--color-border:#dde3e8;--color-text:#1a2733;--color-text-muted:#5b6b7a;--color-primary:#0a6e6e;--color-primary-dark:#085555;--color-primary-contrast:#fff;--color-danger:#b3261e;--color-danger-bg:#fdecea;--color-warning:#a15c00;--color-warning-bg:#fff4e0;--color-success:#1e7d32;--color-success-bg:#e8f5e9;--radius:10px;--shadow:0 1px 3px #141e2814, 0 1px 2px #141e280f;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{overscroll-behavior-y:contain;margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);min-height:100dvh;font-size:16px;line-height:1.5}a{color:var(--color-primary)}.page-loading{min-height:100dvh;color:var(--color-text-muted);justify-content:center;align-items:center;display:flex}.btn{cursor:pointer;background:var(--color-primary);color:var(--color-primary-contrast);border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:6px;min-height:44px;padding:10px 16px;font-size:16px;font-weight:600;transition:background .15s;display:inline-flex}.btn:active{background:var(--color-primary-dark)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:active{background:var(--color-bg)}.btn-danger{background:var(--color-danger)}.btn-lg{border-radius:12px;width:100%;min-height:56px;padding:18px 20px;font-size:19px}.btn-block{width:100%}label{color:var(--color-text-muted);margin-bottom:6px;font-size:13px;font-weight:600;display:block}input,select,textarea{border:1px solid var(--color-border);background:var(--color-surface);width:100%;color:var(--color-text);border-radius:8px;min-height:48px;padding:12px 14px;font-family:inherit;font-size:16px}input:focus,select:focus,textarea:focus{outline:2px solid var(--color-primary);outline-offset:-1px}.field{margin-bottom:14px}.form-error{background:var(--color-danger-bg);color:var(--color-danger);border-radius:8px;margin-bottom:14px;padding:10px 12px;font-size:14px}.form-success{background:var(--color-success-bg);color:var(--color-success);border-radius:8px;margin-bottom:14px;padding:10px 12px;font-size:14px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}h1{margin:0 0 4px;font-size:21px}.page-subtitle{color:var(--color-text-muted);margin:0 0 20px;font-size:14px}.badge{text-transform:uppercase;letter-spacing:.02em;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700;display:inline-block}.badge-pending{background:var(--color-warning-bg);color:var(--color-warning)}.badge-approved{background:var(--color-success-bg);color:var(--color-success)}.badge-rejected{background:var(--color-danger-bg);color:var(--color-danger)}.login-shell{justify-content:center;align-items:center;min-height:100dvh;padding:20px;display:flex}.login-card{width:100%;max-width:380px}.login-card h1{text-align:center;margin-bottom:4px}.login-card .page-subtitle{text-align:center}.delivery-shell{background:var(--color-surface);flex-direction:column;max-width:480px;min-height:100dvh;margin:0 auto;display:flex}.delivery-header{padding:calc(14px + env(safe-area-inset-top)) 18px 14px;border-bottom:1px solid var(--color-border);background:var(--color-surface);z-index:10;justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.delivery-body{padding:18px 18px calc(24px + env(safe-area-inset-bottom));flex:1}.customer-card{border:1px solid var(--color-border);border-radius:var(--radius);margin-bottom:16px;padding:16px}.customer-card .customer-code{color:var(--color-primary-dark);letter-spacing:.03em;font-size:13px;font-weight:700}.customer-card .customer-name{margin:2px 0 8px;font-size:21px;font-weight:700}.customer-card .customer-meta{color:var(--color-text-muted);margin:2px 0;font-size:15px}.coupon-status-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px;display:grid}.coupon-status-grid .item{text-align:center;background:var(--color-bg);border-radius:8px;padding:12px 4px}.coupon-status-grid .item .n{font-size:22px;font-weight:800}.coupon-status-grid .item .l{color:var(--color-text-muted);text-transform:uppercase;font-size:11px}.qr-scan-box{border:2px dashed var(--color-border);border-radius:var(--radius);margin-bottom:16px;overflow:hidden}.helper-text{color:var(--color-text-muted);margin-top:4px;font-size:13px}.empty-state{text-align:center;color:var(--color-text-muted);padding:40px 20px}